Lenovo ThinkCentre M50e Hardware Maintenance Manual
Lenovo ThinkCentre M50e Manual
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- Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 1
Hardware Maintenance Manual Types 8084, 8085, 8126, 8147, 8148, 8149 Types 8174, 8175, 8176, 8177, 8178, 8179 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 2
- Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 3
Hardware Maintenance Manual Types 8084, 8085, 8126, 8147, 8148, 8149 Types 8174, 8175, 8176, 8177, 8178, 8179 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 4
it supports, be sure to read the information under "Notices," on page 219. Sixth Edition (August 2005) © Copyright Lenovo 2005. Portions © Copyright International Business Machines Corporation 2005. All rights reserved. U.S. GOVERNMENT USERS - RESTRICTED RIGHTS: Our products and/or services are - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 5
. . . . 41 The Access IBM program 41 Additional information resources 41 Physical specifications 41 Types 8126, 8174, 8175, and 8176 42 Types 8149, 8177, and 8178 43 Types 8084, 8085, 8147, 8148, and 8179 . . . . 44 Chapter 4. General Checkout . . . . . 45 Problem determination tips 46 Chapter - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 6
Type 8084 135 Machine Type 8085 145 Machine Type 8126 155 Machine Type 8147 159 Machine Type 8148 163 Machine Type 8149 172 Machine Type 8174 178 Machine Type 8175 181 Machine Type 8176 188 Machine Type 8177 192 Machine Type 8178 203 Machine Type 8179 210 Chapter 12. Additional Service - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 7
. Before servicing a Lenovo product, be sure to read the Safety Information. See Chapter 2, "Safety information," on page 5. The Symptom-to-FRU Index and Additional Service Information chapters are not specific to any machine type and are applicable to all ThinkCentre computers. This manual includes - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 8
Lenovo type (MT) and 3-digit model, where model = 'CTO' (Example: 8129-CTO). Custom Model Variant (CMV) This is a unique configuration that has been negotiated between Lenovo CTO and CMV machine type models (Example: 8129- to support CTO, LCDs), and memory. v Remember http://w3-3.ibm.com/pc/entitle - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 9
browser to http://www.lenovo.com/think/support. 2. Type the machine type (Example: 8129) in the Use Quick Path field; then click Go. 3. Under Browse by product, click Continue. 4. Under Important information, click Parts information. 5. In the Refine results field, select Service parts; then click - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 10
to be ready to support Lenovo's requirements and schedule. Products sold in 2005, will contain some RoHS compliant FRUs. The following statement pertains to these products and any product Lenovo produces containing RoHS compliant parts. RoHS compliant ThinkCentre parts have unique FRU part - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 11
be familiar with before servicing a computer. General start the machine, ensure that other service representatives and the customer's personnel place, away from all personnel, while you are servicing the machine. v Keep your tool case away to your eyes. v After service, reinstall all safety shields, - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 12
type of mat to protect yourself from electrical shock. v Find the room emergency power power before: - Performing a mechanical inspection - Working near power supplies off the power, if necessary. - Use only one hand when working with powered-on electrical high voltages; these instructions are in the - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 13
service the following parts with the power on when they are removed from their normal operating places in a machine: - Power supply guide. problem. Consider these conditions and the safety hazards they present: v Electrical hazards, especially primary power power cord should be the appropriate type - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 14
for worn, frayed, or pinched cables. 8. Check that the power-supply cover fasteners (screws or rivets) have not been removed or such as those listed below, to provide protection that meets the specific service requirement. Note: The use of a grounding system is desirable Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 15
when there is evidence of fire, water, or structural damage. v Disconnect the attached power cords, telecommunications systems, networks, and modems before you open the device covers, unless instructed otherwise in the installation and configuration procedures. v Connect and disconnect cables as - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 16
containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and result in exposure to hazardous laser radiation. There are no serviceable parts inside the device. v Use of controls or adjustments 10 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 17
device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 2 1 CAUTION: Do - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 18
12 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 19
Chapter 2. Safety information 13 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 20
≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) 2 1 14 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 21
PERIGO A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa. Para evitar risco de choque elétrico: v Não conecte nem desconecte nenhum cabo ou execute instalação, manutenção ou reconfiguração deste produto durante uma tempestade com raios. v Conecte - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 22
ao feixe. ≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) CUIDADO: Utilize procedimentos de segurança para levantar equipamentos. 16 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 23
CUIDADO: O botão de controle de alimentação do dispositivo e o botão para ligar/desligar da fonte de alimentação não desligam a corrente elétrica fornecida ao dispositivo. O dispositivo também pode ter mais de um cabo de alimentação. Para remover toda a corrente elétrica do dispositivo, assegure que - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 24
18 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 25
2 1 Chapter 2. Safety information 19 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 26
20 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 27
Chapter 2. Safety information 21 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 28
2 1 22 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 29
, que vous déplacez, ou que vous manipulez le présent produit ou des périphériques qui lui sont raccordés, reportez-vous aux instructions ci-dessous pour connecter et déconnecter les différents cordons. Connexion Déconnexion 1. Mettez les unités HORS TENSION. 2. Commencez par brancher tous les - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 30
au lithium usagée par une pile de référence identique exclusivement, (référence 33F8354), ou suivre les instructions du fabricant qui en définit les équivalences. Si votre système est doté d'un module le faisceau ou del'observer à l'aide d'instruments optiques. 24 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 31
≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) ATTENTION: Soulevez la machine avec précaution. ATTENTION: L'interrupteur de contrôle d'alimentation de l'unité et l'interrupteur dubloc d'alimentation ne coupent pas le courant électrique alimentantl'unité. En outre, le système peut être équipé - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 32
Sie zuerst alle Netzkabel aus den Netzsteckdosen. 3. Ziehen Sie die Signalkabel aus den Buchsen. 4. Ziehen Sie alle Kabel von den Einheiten ab. 26 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 33
CAUTION: Eine verbrauchte Lithiumbatterie nur durch eine Batterie mit der Teilenummer 33F8354 oder eine gleichwertige, vom Hersteller empfohlene Batterie ersetzen. Enthält das System ein Modul mit einer Lithiumbatterie, dieses nur durch ein Modul desselben Typs und von demselben Hersteller ersetzen. - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 34
Netzkabel vom Netz getrennt werden. 2 1 ACHTUNG: Legen Sie auf in einem Rack montierten Einheiten keine über 82 kg schweren Gegenstände ab. 28 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 35
Chapter 2. Safety information 29 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 36
30 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 37
2 1 Chapter 2. Safety information 31 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 38
l'unità. 1. SPEGNERE le apparecchiature. 2. Innanzitutto, rimuovere i cavi di alimentazione dalla presa. 3. Rimuovere i cavi di segnale dai connettori. 4. Rimuovere tutti i cavi dalle unità. 32 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 39
vi sono parti su cui effettuare l'assistenza tecnica. v L'utilizzo di controlli, regolazioni o l'esecuzione di procedure non descritti nel presente manuale possono provocare l'esposizione a radiazioni pericolose. PERICOLO Alcune unità laser contengono un diodo laser di Classe 3A o Classe 3B. Tener - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 40
di alimentazione. 2 1 ATTENZIONE: Non collocare oggetti che pesano più di 82 kg (180 lb.) sulla parte superiore delle unità montante nel rack. 34 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 41
Chapter 2. Safety information 35 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 42
2 1 36 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 43
Chapter 2. Safety information 37 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 44
alimentación de las tomas de corriente. 3. Desconecte los cables de señal de los conectores. 4. Desconecte todos los cables de los dispositivos. 38 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 45
PRECAUCIÓN: Cuando sustituya una batería de litio, utilice solamente una batería número de pieza 33F8354 u otra de tipo equivalente recomendada por el fabricante. Si su sistema dispone de un módulo que contiene una batería de litio, reemplácelo sólo con el mismo tipo de módulo, del mismo fabricante. - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 46
toma de corriente. 2 1 PRECAUCIÓN: No coloque ningún objeto que pese más de 82 Kg (180 lb) encima de dispositivos montados en un bastidor. 40 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 47
v Downloads and drivers v Links to other useful sources of information To access this information, point your browser to http://www.lenovo.com/think/ support/. Physical specifications This section details the physical specifications for each computer Type. © Lenovo 2005. Portions © IBM Corp - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 48
Types 8126, 8174, 8175 Power consumption and heat output vary depending on the number and type of optional features installed and the power sound-pressure sound-power levels: Idle: 4.0 bels Operating: 4.7 bels For microprocessors greater than or equal to 2.8 GHz: Average sound limit) sound-power levels - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 49
Types 8149, 8177, and 8178 Dimensions Height: 140 mm (5.5 in.) Width: 425 mm ( sound-power levels indicate an upper limit, below which a large number of computers will operate. Note: Power consumption and heat output vary depending on the number and type of optional features installed and the power - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 50
Types 8084, 8085, 8147, 8148, and 8179 Dimensions Height: 413 mm (16.25 in.) Width: 191 mm (7.5 position - 1 meter (3.3 ft): Idle: 26 dBA Operating: 29 dBA Declared (upper limit) sound-power levels: Idle: 4.1 bels Operating: 4.3 bels Note: These levels were measured in controlled acoustical - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 51
front of the computer and two diagnostic LEDs are located on the power supply at the rear of the computer. a. Disconnect the power cord from the electrical outlet. b. Reconnect the power cord to a working electrical outlet. c. Press the power button. © Lenovo 2005. Portions © IBM Corp. 2005. 45 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 52
that can be encountered, use the following information to assist you in problem determination. If possible, have this information available when requesting assistance from Service Support and Engineering functions. v Machine type and model v Processor or hard disk upgrades v Failure symptom - Do - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 53
1. Are the exact machine type and models 2. Have the same BIOS level 3. Have the same adapters/attachments in the same locations 4. Have the same address jumpers/ software set-up between ″working and non-working″ systems will often lead to problem resolution. Chapter 4. General Checkout 47 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 54
48 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 55
www.lenovo.com/think/support on the World Wide Web. Type your machine type into the Use Quick path field and click Go to find the downloadable files that are specific to the computer. See "Diagnostics program download" on page 50. Diagnostic error messages appear when a test program finds a problem - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 56
Note: If your computer has no internal diskette drive, an external USB diskette drive is required when using the diagnostic diskette. 1. If ://www.lenovo.com/think/support. v Type the machine type in the ″Use Quick Path″ field and click Go. v Click Downloads and drivers and Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 57
results produce the following error code format: Function Code Failure Type DeviceID Date ChkDigits Text v Function Code: Represents the feature or user specific configuration parameters located in the FDAT.INI. FDAT uses information supplied by these features to indicate specifically what - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 58
down of the drive platters to avoid damaging the media. v Manufacturer Log - an in-depth manufacturer supported log of errors on the drive. Multitasking: To allow simultaneous testing of multiple hard drives whenever possible, can access the UDMA channel and the UDMA 52 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 59
: v Quick Erase Hard Drive v Full Erase Hard Drive The Quick Erase Hard Drive provides a DOS utility that performs the following: v Destroys the Master Boot Record (MBR) on the hard drive. v Destroys all copies of the FAT Table on all partitions (both the master and backup). v Destroys the partition - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 60
toolbar and press Enter. 2. Select either the QUICK ERASE or FULL ERASE HARD DISK option and follow the instructions. Viewing the test log Errors reported by the diagnostic test will be displayed by the program as a failed to diskette or press F2 to print the file. 54 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 61
erasable programmable read-only memory (EEPROM) of the type your password. See "Using passwords" for more information. b. BIOS settings cannot be changed without the correct password. c. The Setup Utility might start automatically when the power Lenovo 2005. Portions © IBM Corp. 2005. 55 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 62
unless that computer also supports the IDE Drive User Password. v If your computer is connected to a local area network (LAN), Wake on LAN will not work hard disk drive(s). When this password is set, you are prompted to type a valid password before any hard disk drive can be used. This prompt Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 63
Attention Make sure that the IDE Drive Master password is stored in a safe place. If both the IDE Drive User password and the IDE Drive Master password are lost or forgotten, the IDE hard disk drive must be replaced. If both the IDE Drive User Password and the IDE Drive Master Password are to be - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 64
device Use this procedure to startup from any boot device. Note: Not all CDs, hard Windows XP, the computer performance might be degraded. Therefore, you should always set HyperThreading to Disabled unless you are sure your operating system supports HyperThreading. 58 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 65
v On/Off Switch Power Supply connector v System Board Power Supply connectors v Microprocessor(s) connection Check the power cord for continuity. Check the power-on switch for continuity. FRU/Action Reseat connectors Power Cord Power-on Switch © Lenovo 2005. Portions © IBM Corp. 2005. 59 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 66
replace the power supply. OFF Replace the system board ON ON Replace the power supply If the Diagnostic LEDs are in the normal condition and the problem persists, replace the system board and the microprocessor, one at a time, until the computer works correctly. 60 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 67
" on page 50 for the specific type for information about the Diagnostic programs. In the following index, X can represent any number. Diagnostic Error Code 000-000-XXX BIOS Test Passed 000-002-XXX BIOS Timeout 000-024-XXX BIOS Addressing test failure 000-025-XXX BIOS Checksum Value error 000-026 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 68
Manual FRU/Action 1. Flash the system. See "Flash update procedures" on page 214 2. System board Information only Re-start the test, if necessary 1. Press F3 to review . See "Flash update procedures" on page 214 3. Go to "Undetermined problems" on page 90 1. Go to "Undetermined problems" on page 90 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 69
System board 1. Flash the system. See "Flash update procedures" on page 214 2. System board 1. Power-off/on system and re-test 2. System board 1. Power-off/on system and re-test 2. System board Information only Re-start the test, if necessary 1. Press F3 to review the log file 2. Re-start the test - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 70
001-278-XXX System IRQ11 failure 001-279-XXX System IRQ12 failure 001-280-XXX System IRQ13 failure 64 Hardware Maintenance Manual FRU/Action 1. Go to "Undetermined problems" on page 90 2. Flash the system and re-test 3. Replace component under function test System board System board System board - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 71
, if installed 2. System board 1. Video card, if installed 2. System board 1. Video Ram 2. Video card, if installed 3. System board 1. Video card, if installed 2. System board 1. Video card, if installed 2. System board 1. Run Setup 2. Video drivers update 3. Video card, if installed 4. System board - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 72
Go to "Undetermined problems" on page 90 2. Flash the system and re-test. See "Flash update procedures" on page 214 3. Replace component under function test 1. Video card, if installed 2. System board No action 1. Diskette drive Cable 2. Diskette drive 3. System board 66 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 73
196-XXX Diskette interface test halt, error threshold exceeded 1. Press F3 to review the log file 2. Re-start the test to reset the log file test. See "Flash update procedures" on page 214 3. Go to "Undetermined problems" on page 90 006-199-XXX 1. Go to "Undetermined problems" on page Diskette - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 74
011-196-XXX 1. Press F3 to review the log file Serial port test halt . See "Flash update procedures" on page 214 3. Go to "Undetermined problems" on page 90 011 problems" on page 90 2. Flash the system and re-test. See "Flash update update procedures" on page 214 3. System board - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 75
214 3. Go to "Undetermined problems" on page 90 1. Go to "Undetermined problems" on page 90 2. Flash the system and re-test. See "Flash update procedures" on page 214 3. Replace component under function test 1. External parallel device 2. System board No action 1. Remove USB device(s) and re-test - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 76
214 3. Run memory test 4. System board 1. Remove USB device(s) and re-test 2. System board System board 1. Run setup and check for conflicts 2. Flash the system. See "Flash update procedures" on page 214 3. System board Information only Re-start the test, if necessary 1. Press F3 to review the log - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 77
problems" on page 90 2. Flash the system and re-test. See "Flash update procedures" on page 214 3. Replace component under function test 018-250-XXX PCI Card Services 020-196-XXX PCI test halt, error threshold exceeded 1. Press F3 to review the log file 2. Re-start the test to reset the log file - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 78
warning 72 Hardware Maintenance Manual FRU/Action 1. If problems" on page 90 2. Flash the system and re-test. See "Flash update procedures" on page 214 3. Replace component under function test 1. PCI card 2. Riser card, if installed 3. System board No action 1. IDE signal cable 2. Check power supply - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 79
on page 214 3. Go to "Undetermined problems" on page 90 1. Go to "Undetermined problems" on page 90 2. Flash the system and re-test. See "Flash update procedures" on page 214 3. Replace component under function test No action 1. SCSI signal cable 2. Check power supply 3. SCSI device 4. SCSI adapter - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 80
-XXX RAID interface test failed, cause unknown 071-000-XXX Audio port Interface Test Passed FRU/Action 1. If a component is called update procedures" on page 214 3. Go to "Undetermined problems" on page 90 1. Go to "Undetermined problems" on page 90 2. Flash the system and re-test. See "Flash update - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 81
" on page 214 3. Go to "Undetermined problems" on page 90 1. See "Undetermined problems" on page 90 2. Flash the system and re-test. See "Flash update procedures" on page 214 3. Replace component under function test 1. Speakers 2. Audio card, if installed 3. System board No action 1. Remove - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 82
to review the and re-test. See "Flash update procedures" on page 214 3. Go to "Undetermined problems" on page 90 080-199-XXX "Undetermined problems" on page 90 2. Flash the system and re-test. See "Flash update procedures" review the log file 2. Re-start the test to reset - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 83
90 1. See "Undetermined problems" on page 90 2. Flash the system and re-test. See "Flash update procedures" on page 214 3. Replace component under function test No action 1. Microprocessor(s) 2. System board Information only Re-start the test, if necessary 1. Press F3 to review the log file 2. Re - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 84
review update procedures" on page 214 3. Go to "Undetermined problems" problems" on page 90 2. Flash the system and re-test. See "Flash update procedures" on page 214 3. Replace component under function test 170-250-XXX 170-251-XXX Voltage Sensor(s) Voltage limit error 1. Power supply - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 85
201-000-XXX System Memory Test Passed 201-XXX-XXX System Memory error 202-000-XXX problems" on page 90 1. See "Undetermined problems" on page 90 2. Flash the system and re-test. See "Flash update procedures" on page 214 3. Replace component under function test 1. Check fans 2. Check Power supply - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 86
action 1. CD-ROM Drive Cable 2. Check power supply voltages 3. CD-ROM drive 4. System board No action 1. Hard Disk Drive Cable 2. Check power supply voltages 3. Reseat the hard disk drive cable Run Setup to enable DDC 2. Cable 3. Monitor 4. Video card 5. System board 80 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 87
Diagnostic Error Code 415-000-XXX Modem Test Passed 415-XXX-XXX Modem error FRU/Action No action Remove the Modem and re-test the system Chapter 7. Symptom-to-FRU Index 81 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 88
series of short tones separated by pauses (intervals without sound). See the following examples. Beeps 1-2-X 4 Description write error 1-2-2-3 ROM BIOS check error 1-2-1 failed 2-2-3 CMOS power failure and checksum Memory module 2. System Board 1. Memory module 2. System Board 1. Memory - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 89
Beep Symptom 2-2-4 CMOS configuration info validation failed 2-3-1 Screen initialization failed 2-3-2 Screen memory failed 2-3-3 Screen retrace failed 1-2 Search for video ROM failed All other beep code sequences Continuous beep Repeating short beeps FRU/Action 1. Battery 2. System Board 1. Jumper - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 90
symptoms Symptom/Error No beep during POST but computer works correctly. No beep during POST. FRU/Action System board 1. See "Undetermined problems" on page 90. 2. System Board 3. Memory Module 4. Any Adapter or Device 5. Riser Card 6. Power Cord 7. Power Supply 84 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 91
number. POST Error Code 162 Configuration error 164 Memory Size Error 166 Boot Block Check Sum Error 167 No Processor BIOS update found 175 Primary Copy of Secure Data is damaged 176 The System has been tampered with 179 Boot Integrity Services Segment Error 184 Asset Control Antenna not detected - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 92
If problem persists, replace the system board 201 Memory error 1. Run Enhanced Diagnostics Memory Test 2. Memory module If problem persists, replace the system board 662 Configuration Change has occurred Diskette drive configuration error or wrong diskette drive type; run Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 93
Adapter 1804 PCI/PnP Error! Not Enough Real Memory Space Available 1. Run Setup and verify PCI/ISA PCI Adapter 1962 No operating system found Press F1 to repeat boot sequence. 5962 An IDE device (other than hard drive) problem persists, replace the system board Chapter 7. Symptom-to-FRU - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 94
address) 1. Power Supply 2. System Board 3. Riser card 1. Diskette Drive 2. System Board 3. Diskette Drive Cable 4. Riser card 1. System Board 2. Primary Hard Disk Drive 3. Hard Disk Drive Cable 4. Riser card 1. Run the Memory tests 2. Memory Module 3. System Board 88 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 95
2. System Board No power or fan not running 1. See "Power Supply Errors" on page 59. Non-system disk or disk error-type message with a known- Power-on indicator or hard disk drive in-use 1. Power Supply light not on, but computer works correctly 2. System Board 3. LED Cables Printer problems - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 96
e. Extended video memory f. External Cache g. External Cache RAM h. Hard disk drive i. Diskette drive 3. Power-on the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or adapter. If all devices and adapters have been removed, and the problem continues - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 97
FRUs. Only the major FRUs are documented. Locating connectors on the front The following illustration shows the locations of the USB connectors on the front of the computer. 1 Microphone connector 2 Headphone connector 3 USB connector 4 USB connector © Lenovo 2005. Portions © IBM Corp. 2005. 91 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 98
of the computer. 1 Power connector 8 2 Mouse connector 9 3 Keyboard 10 connector 4 USB connectors 11 5 Serial connector 12 6 Parallel 13 connector 7 VGA Monitor 14 connector USB connectors Ethernet connector Microphone connector Audio line out connector Audio line in connector - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 99
Chapter 8. Replacing FRUs (Types 8126, 8174, 8175, and 8176) 93 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 100
Locating components The following illustration will help you locate the various components in the computer. 1 Microprocessor and heat sink 2 DIMMs 3 AGP slot (some models) 4 PCI slots 5 PCI adapter 6 Power supply 94 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 101
connector 9 Secondary IDE connector 10 SATA1 connector 11 SATA2 connector 12 Power switch/LEDs connector 13 Clear CMOS/Recovery jumper 14 Battery 15 Front panel audio connector 16 PCI slots 17 AGP slot (some models) Chapter 8. Replacing FRUs (Types 8126, 8174, 8175, and 8176) 95 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 102
Removing and replacing memory 1. Remove the cover. See "Removing the cover" on page 92. 2. To locate the DIMM connectors. See "Identifying parts on the system from its static-protective package. 5. Install the new adapter into the appropriate slot on the system board. 96 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 103
the Setup Utility program to set the date and time and any passwords. See Chapter 6, "Using the Setup Utility," on page 55. Chapter 8. Replacing FRUs (Types 8126, 8174, 8175, and 8176) 97 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 104
servicable parts inside these components. 1. Remove the cover. See "Removing the cover" on page 92. 2. Disconnect all power supply cables from the drives. 3. Disconnect all power supply cables from the system board. See "Identifying parts on the system board" on page 95. 4. Support the power supply - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 105
board in the same location as they were on the failing system board. See "Removing and replacing memory" on page 96. 8. Remove the heat sink and microprocessor from the failing system board and install on the system board" on page 95. Chapter 8. Replacing FRUs (Types 8126, 8174, 8175, and 8176) 99 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 106
syringe. 13. Use the thermal grease syringe to place 16 uniformly spaced dots of 0.01ML each on the top of the microprocessor. 100 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 107
, remove the front bezel by releasing the four plastic tabs inside the chassis and pressing down on the top of the bezel. Chapter 8. Replacing FRUs (Types 8126, 8174, 8175, and 8176) 101 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 108
3. Disconnect the signal and power cables from the failing drive. Note: Take note of the location of any cables you disconnect. You might have to disconnect cables to drive, remove the cover on the front of the drive. 6. Slide the drive out the front of the computer. 102 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 109
/slave jumper information. 8. Install the new drive into the bay. Align the screw holes and install the screws to secure the drive. Chapter 8. Replacing FRUs (Types 8126, 8174, 8175, and 8176) 103 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 110
on the chassis so that the guides on the top and bottom of the cover engage the chassis and push the cover to the closed position. Insert the screws that secure the cover. 4. Reconnect the external cables and power cords to the computer. 5. To update the configuration, see Chapter 6, "Using the - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 111
Chapter 9. Replacing FRUs (Types 8149, 8177, and 8178) Important Before you replace any FRU, read Chapter 2, "Safety information," on page 5. These precautions and guidelines will help you work safely. FRU replacements are to be done by trained service technicians only. This chapter does not contain - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 112
Locating connectors on the rear 1 Power connector 2 Mouse connector 3 Parallel connector 4 Ethernet connector 5 Audio line in connector 6 PCI slots 7 AGP slot (some models) 8 Audio line out connector 9 Microphone connector 10 USB connectors 11 VGA monitor connector 12 Serial - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 113
components 1 CD drive or DVD drive 2 USB connector 3 USB connector 4 Optional drive bay 5 Hard disk drive 6 Diskette drive 7 DIMMs 8 Microprocessor and heat sink 9 AGP slot (some models) 10 Battery 11 PCI slots Chapter 9. Replacing FRUs (Types 8149, 8177, and 8178) 107 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 114
7 Diskette drive 8 Primary IDE connector 9 Secondary IDE connector 10 SATA1 connector 11 SATA2 connector 12 Power switch/LEDs connector 13 Clear CMOS/Recovery jumper 14 Battery 15 Front panel audio connector 16 PCI slots 17 AGP slot (some models) 108 Hardware Maintenance - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 115
Removing and replacing memory 1. Remove the cover. See "Removing the cover" on page 106. 2. To locate the DIMM connectors. See "Identifying parts on clips are closed. 5. Go to "Installing the cover and connecting cables" on page 116. Chapter 9. Replacing FRUs (Types 8149, 8177, and 8178) 109 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 116
, remove any adapters that impede access to the battery. See "Removing and replacing a PCI adapter" for more information. 4. Remove the old battery. 110 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 117
" on page 106. 2. Disconnect all power supply cables from the system board and the drives. See "Identifying parts on the system board" on page 108. 3. Remove the four screws that hold the power supply in place. 4. Lift the power supply out. Chapter 9. Replacing FRUs (Types 8149, 8177, and 8178) 111 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 118
insert the four screws that hold the power supply in place. 6. Reconnect all power supply cables to the system board and the same location as they were on the failing system board. See "Removing and replacing memory" on page 109. 7. Remove the heat sink and microprocessor from the failing system - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 119
the microprocessor 1. Turn off the computer and peripheral devices and disconnect all external cables and power cords; then, remove the cover. See "Removing the cover" on page 106. 2. Remove beveled corner in the correct orientation. Chapter 9. Replacing FRUs (Types 8149, 8177, and 8178) 113 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 120
any cables you disconnect. You might have to disconnect cables to other drives to gain access to the drive you are removing. 114 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 121
3. Disconnect the signal cable and power supply cable from the drive being replaced. 4. Remove any screws that secure the drive. Not all drives have screws drive for master/slave jumper information. 6. Install the drive into the bay as shown. Chapter 9. Replacing FRUs (Types 8149, 8177, and 8178) 115 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 122
cover, and reconnect cables, including telephone lines and power cords. Also, depending on the option that is installed, you might need to confirm the updated information in the Setup Utility program. 1. Ensure pivot it down over the computer until it snaps into place. 116 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 123
5. Reconnect the external cables and power cords to the computer. 6. To update the configuration, see Chapter 6, "Using the Setup Utility," on page 55. Chapter 9. Replacing FRUs (Types 8149, 8177, and 8178) 117 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 124
118 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 125
Chapter 10. Replacing FRUs (Types 8084, 8085, 8147, 8148, and 8179 Important: Before you replace any FRU, read Chapter 2, "Safety information," on page 5. These precautions and guidelines will help you work safely. FRU replacements are to be done by trained service technicians only. This chapter - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 126
Locating connectors on the front The following illustration shows the locations of the connectors on the front of the computer. 1 Microphone connector 2 Headphone connector 3 USB connector 4 USB connector 120 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 127
all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. 4. Press the cover-release button and slide the cover to the rear to remove. Chapter 10. Replacing FRUs (Types 8084, 8085, 8147, 8148, and 8179 121 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 128
122 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 129
Locating components The following illustration will help you locate the various components in the computer. 1 Microprocessor and heat sink 2 DIMMs 3 AGP slot (some models) 4 PCI adapter 5 Power supply Chapter 10. Replacing FRUs (Types 8084, 8085, 8147, 8148, and 8179 123 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 130
7 Diskette drive 8 Primary IDE connector 9 Secondary IDE connector 10 SATA1 connector 11 SATA2 connector 12 Power switch/LEDs connector 13 Clear CMOS/Recovery jumper 14 Battery 15 Front panel audio connector 16 PCI slots 17 AGP slot (some models) 124 Hardware Maintenance - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 131
Removing and replacing memory 1. Remove the cover. See "Removing the cover" on page 121. 2. To locate the DIMM connectors. See "Identifying parts replacing a PCI adapter 1. Remove the cover. See "Removing the cover" on page 121. Chapter 10. Replacing FRUs (Types 8084, 8085, 8147, 8148, and 8179 125 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 132
system board and secure the adapter with the adapter-slot-latch. 5. Go to "Closing the cover and connecting cables" on page 133. 126 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 133
3. Disconnect all power supply cables from the system board. See "Identifying parts on the system board" on page 124. 4. Support the power supply and remove the four screws that hold the power supply in place. 5. Remove the power supply. Chapter 10. Replacing FRUs (Types 8084, 8085, 8147, 8148, and - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 134
and insert the four screws that hold the power supply in place. 7. Reconnect all power supply cables to the system board and the drives. See "Identifying parts on the system board" on page the screws that secure the system board in place and remove the system board. 128 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 135
board in the same location as they were on the failing system board. See "Removing and replacing memory" on page 125. 8. Remove the heat sink and microprocessor from the failing system board and install system board" on page 124. Chapter 10. Replacing FRUs (Types 8084, 8085, 8147, 8148, and 8179 129 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 136
tick mark on the syringe. If the grease is properly applied, approximately half (0.22ML) of the grease will remain in the syringe. 130 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 137
Disconnect the signal and power cables from the drive being removed. Note: Take note of the location of any cables you disconnect. You might have to disconnect cables to other drives to gain access to the drive you are removing. Chapter 10. Replacing FRUs (Types 8084, 8085, 8147, 8148, and 8179 131 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 138
. Refer to the documentation that comes with your drive for master/slave jumper information. 8. Slide the drive into the appropriate bay. 9. Reconnect the signal and power cables to the new drive. 132 Hardware Maintenance - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 139
of the cover engage the rails and push the cover closed until it latches. 4. Reconnect the external cables and power cords to the computer. 5. To update the configuration, see Chapter 6, "Using the Setup Utility," on page 55. Chapter 10. Replacing FRUs (Types 8084, 8085, 8147, 8148, and 8179 133 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 140
134 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 141
mean that the part is a Tier 2 CRU. Machine Type 8084 Item # 1 Side cover assembly (all models) 2 ″L″ Cover assembly (all models) 3 Front Bezel assembly (all models) 4 Bezel trim/label kit (all models) 8084 FRUs © Lenovo 2005. Portions © IBM Corp. 2005. FRU# 59P8547 59P8546 59P8544 49P1900 CRU - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 142
Item # 8084 FRUs 5 CD-ROM Drive 48X (Black) - w/o volume ctrl and headphone jack (models 17S 23S 1BS 1AU 11U 12G 21G 24U A3G B1G B2G 37S EBG 7RG 7SG 7TG 7UG 7VG) FRU# 40Y8801 40Y8805 40Y8807 40Y8813 40Y8929 40Y8811 40Y8781 40Y8903 40Y9107 40Y8899 40Y9105 CRU * * 136 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 143
Item # 8084 FRUs 7 Hard disk drive, 40GB EIDE (models D1S 1AU A1U A1F A2U A2F D2U D2F E1U 7HG 7JG 34U 34F 35U 35F 52G 53U 7QG C8U 2AU 36U 37S 7UG 7VG) 8 System board,(10/100 Enet) w/ video buffer -- optional to 19R0703 (models 17S 23S CTO-U CTO-G 1BS 1AU 21G 24U 15G 18G 19G 22G 31U 31G 32G 73G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 144
Item # 8084 FRUs 10 Intel Celeron 2.6 GHz (models CTO CTO-U CTO-G 41U) 10 Intel P4 2.8 GHz (models CTO-U CTO-G 1FU 72G) 10 Intel P4 2.66 GHz (models CTO-U CTO-G) 10 Intel P4 2.8 GHz (models CTO-U CTO-G 1BS 1AU 11U 12G 13U * * * * * * * * * * * * * * 138 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 145
C8U D5U 2AU 36U) Cable, audio assembly (all models) Cable, dual USB 2.0 (all models) Hard disk drive bracket assembly (all models) Hard disk drive tray (all models) Power switch assembly (all models) Bezel, Diskette drive (all models) Cable, 2 drop (close spacing) ATA 66/100 w/pull tabs (all models - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 146
Port Adapter (models CTO-U CTO-G) 128 MB AGP ATX VGA DVI-I S-VIDEO (models CTO-U CTO-G) RJ11 connector adapter (Spain, Ireland) (All ″G″ models Simplified Chinese (models 1DC) FRU# 39J6250 39J6251 30R4777 CRU * * * 8084 Windows XP Pro Recovery CDs US (Models 1GU 1AU A1U E1U 11U 12G 14U 21G Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 147
8084 Windows XP Pro Recovery CDs IT (models 12G 21G A3G B1G D4G E3G 15G 16G 18G 19G 1CG 22G 26G 31G 32G 72G 74G 75G 76G 77G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 148
8084 Windows XP Pro Recovery CDs JP (models A4J) CS (models 1EC) Multilingual 1 (models 12G 21G A3G B1G D4G E3G 15G 16G 18G 19G 7TG 7UG 7VG) FRU# 89P8300 89P8301 89P8302 89P8303 89P8305 89P8306 89P8307 89P8308 89P8309 89P8310 89P8311 89P8312 89P8313 89P8314 142 Hardware Maintenance Manual CRU * - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 149
8084 Keyboards (Standard PS/2 Black) Hebrew (models 21G A3G B1G B2G D4G E3G 15G 16G 18G 19G 1CG 22G 26G 31G 32G 72G 73G 74G 75G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 150
7QG EBG 7RG 7SG 7TG 7UG 7VG) FRU# 89P8335 89P8336 89P8337 89P8338 89P8339 CRU * * * * * 8084 Power Cords Power Cord (models 17S 23S D1S 1BS 1AU A1U A1F A2U A2F D2U D2F E1U E1F E2U E2F 11U 12G 14F0068 1838576 02K0545 14F0086 14F0014 14F0050 CRU * * * * * * * * * * 144 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 151
Type 8085 Item # 8085 FRUs 1 Side cover assembly (all models) 2 ″L″ Cover assembly (all models) 3 Front Bezel assembly (all models) 4 Bezel trim/label kit (all models) 5 CD-ROM Drive 48X (Black) - w/o volume ctrl and headphone jack (models A1U 15U 15F 15G 33U 33F D2U 41U 11U 13G 19U 21U 21U - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 152
Item # 8085 FRUs 5 CD-ROM Drive 48X (Black) - w/o volume ctrl and headphone jack (models A1U 15U 15F 15G 33U 33F D2U 41U 11U 13G 19U 21U 21F 21G 35G A4U A5S A5D A5Y B1U B2S B2D 40Y8758 40Y8759 71P7293 40Y8761 71P7297 40Y8762 40Y9035 146 Hardware Maintenance Manual CRU * * * * * * * * * * - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 153
video buffer -- optional to 19R0703 (models 34S 34D 34Y 14S 14D 14Y 17S 17D 17Y 24S 24D 24Y 27S 27D 27Y 15U 15F 15G 23U 24U 31U 32U 33U 33F 13G 16G 18U 21U GHz (models B1U B2S B2D B2Y C9U B3U B4J B5J B6J) 10 Intel Celeron 2.66 GHz (models D4S D4D D4Y D5U CAU) 10 Intel Celeron 2.8 GHz (models E1U - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 154
8085 24S 24D 24Y 23U 24U 21U 21F 75G 76G 77G 78G C6U 73G 74G C5U 21U 21F 75G 76G 73G 74G C5U 21U 21F 75G EAJ EBJ) 12 Power supply, AcBel PFC, 230W 19U 1AU 1BU 21U 21F 21G 22G EAJ EBJ) 12 Power supply, AcBel China, 230W audio (all models) 5.25 EMC shield (all models) Rubber foot (all models) 8085 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 155
Cable, audio assembly (all models) Cable, dual USB 2.0 (all models) Cable, SATA (all models) Hard disk drive bracket assembly (all models) Hard disk drive tray (all models) Power switch E1U 42U 42S 42D 42Y 13G 16G 18U 1AU 1AS 1AD 1AY 1BU 21U 21F 21G 22G 35G 36G 71G 72G 73G 74G 75G 76G 77G 78G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 156
60H6049 60H6050 60H6051 60H6052 60H6053 60H6054 60H6055 CRU ** * * 8085 Windows XP Home Recovery CDs US (models A1U 23U 24U 31U 32U E4G) RU (models E4G) RE (models E4G) 150 Hardware Maintenance Manual FRU# 39J6250 39J6251 39J6252 39J6253 39J6254 39J6257 39J6260 39J6264 39J6256 39J6261 39J6258 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 157
A8J B5J B6J 1FJ 1GJ 2AJ 2BJ E6J E7J 1HJ E9J EAJ EBJ) FRU# 39J6267 39J6263 39J6266 39J6269 30R4798 CRU * * * * * 8085 Windows XP Pro Recovery CDs US (Models 15U 15G 33U 13G 16G 21U 21G 22G 35G 36G 71G 72G 73G 74G 75G 76G 77G 78G 79G 7AG 7BG 7CG 7DG 1DU 51U 51G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 158
8085 Windows XP Pro Recovery CDs SL (models 15G 13G 16G 21G 15G 23U 24U 31U 33U A3U D2U D3U E1U 41U 42U 11U 13G 16G 18U 19U 1AU 1BU 21U 21G 22G 35G 36G 71G 72G 73G 74G 75G 76G 77G 78G 79G 7AG 7BG 7CG A4U B1U 89P8314 89P8315 89P8316 89P8317 89P8318 89P8319 CRU * 152 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 159
) 8085 Productivity USB Keyboard FRU# 89P8800 CRU * 8085 Power Cords Power Cord (models 34S 34D A2S A2D D1S D1D E3S E3D 14S 14D 17S 17D 24S 24D 27S 27D A1U 15U 15F 23U 24U 31U 32U 33U 33F A3U D2U D3U D4S D4D E1U 41U 42U 42S 42D 11U 13G 16G 18U 19U 1AU 1AS 1AD 1BU 21U - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 160
8085 Power Cords Power Cord (EMEA, ANZ, ASEAN Eng, Korea) (models15G 13G 16G 21G 22G 35G 36G 71G 72G 73G 74G 75G 76G 77G 78G 79G 7AG 7BG 7CG 7DG E4G 51G 52G 7EG 7FG 7GG 7HG) Power Power Power Cord Power Cord (APU) (models 34Y A2Y D1Y E3Y 14Y 17Y 24Y 27Y D4Y 42Y 1AY A5Y B2Y) Power ) Power Cord Power - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 161
Machine Type 8126 2 1 3 11 10 9 4 7 6 5 8 Item # 1 2 3 3 3 3 3 8126 FRUs Chassis assembly (all models) Bezel and shield kit (all models) CD-ROM Drive 48X - Black w/o jack & vol (models 41C - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 162
13Q 13T 21A 21Q 21T) System board, (10/100 Enet) w/ video buffer, no AGP -- optional to 19R0837 (models D1C D2C 41C 11C (models D1C D2C) Intel Celeron 2.4 GHz (models A1C A2C) Intel Prescott Celeron 2.66 GHz (models D3A D3Q D3T D4V) Intel Prescott Celeron 2.93 GHz (models E1A E1Q Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 163
-- optional to 13R9195 (models A1C A2C D3A D3Q D3T D4V 12V 21A 21Q 21T 31A 31Q 31T) 230W Power Supply (models D3A D3T E1A E1T E2A E2T 13A 13T 21A 21T 31A 31T) 230W Power Supply - AcBel China version (models D1C D2C 41C 11C A1C A2C D3Q D4V E1Q E2Q 12V 13Q 21Q 31Q - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 164
USB 1.1 cable (top channel) (all models) SPDIF Card assembly (all models) Audio cable assembly (ATA) (all models) Front panel label kit (all models) Access panel (all models) Cable, power CRU 8126 Windows XP Home Recovery # 39J6250 30R4777 CRU * * 8126 Windows XP Pro Recovery CDs US/UK/AP/TH - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 165
D3T D4V E1A E1T E2A E2T 12V 13A 13T 21A 21T 31A 31T) Power Cord (China, HK) (models D1C D2C 41C 11C A1C A2C) Power Cord (India) (models D3Q E1Q E2Q 13Q 21Q 31Q) FRU# 6952301 02K0545 49P2078 CRU * * * Machine Type 8147 Item # 8147 FRUs 1 Side cover assembly (all models) FRU# 59P8547 CRU - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 166
E-net (models 12U 32U 22U 23U 31U 33U CDU CEU CFU CTO-U 21U 34U CGU 24U 25U 35U 35F 36U 36F) 8 System board, (10/100 Enet) w/ video buffer -- optional to 19R0703 (models 12U 32U 22U 23U 31U 33U CDU 19R0837 39J7966 41D0949 31P9121 73P2683 73P0574 19R2302 160 Hardware Maintenance Manual CRU ** - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 167
Prescott (models 22U 23U CEU 21U 24U 25U 35U 35F 36U audio assembly (all models) Cable, dual USB 2.0 (all models) Hard disk drive bracket assembly (all models) Hard disk drive tray (all models) Power switch assembly (all models) Bezel, Diskette drive (all models) Cable, 2 drop (close spacing) ATA 66 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 168
60H6054 60H6055 CRU 8147 Windows XP Pro Recovery CDs US (models 11U 12U 21U 22U 31U 32U D1U Black) US English (models D1U 13U 23U 33U 11U 12U 21U 22U 31U 32U 34U 14U 24U 25U 15U 35U 36U) * * 8147 Power Cords Power Cord (models D1U 13U 23U 33U CAU CBU CCU CDU CEU CFU 11U 12U 21U 22U 31U 32U - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 169
Machine Type 8148 Item # 8148 FRUs 1 Side cover assembly (all models) 2 ″L″ Cover assembly (all models) 3 Front Bezel assembly (all models) 4 Bezel trim/label kit (all models) 5 CD-ROM Drive 48X (Black) - w/o volume ctrl and headphone jack (models A1U D1U E1U 21U 31U A2U A3G B1G D2G E2G 41U - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 170
Item # 8148 FRUs 5 CD-ROM Drive 48X (Black) - w/o volume ctrl and headphone jack (models A1U D1U E1U 21U 31U A2U A3G B1G (models 12U 31U 22U 32U 23U 33U CGU CHU CJU 21U 35U 51G CMU 25U 26U 28U 28F 29U 29F) 8 System board, (10/100 Enet) w/ video buffer -- optional to 19R0703 (models 12U 31U 22U 32U - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 171
8148 7ZG) 8 System board, (10/100 Enet) w/ video buffer, no AGP -- optional to 19R0837 (models A1U B1G 73G 74G B2U 7MG A5U A5F) 10 Intel Celeron 2.66 GHz (models D2G 76G 75G D3U 7NG) 10 Intel Celeron 10 Intel P4 3.0 GHz (models 22U 23U 24G 7CG CHU 21U 25U 26U 28U 28F 29U 29F) 10 Intel P4 3.2 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 172
13U 23U 33U 7HG) Cable, audio assembly (all models) Cable, dual USB 2.0 (all models) Hard disk drive bracket assembly (all models) Hard disk drive tray (all models) Power switch assembly (all models) Bezel, Diskette drive (all models) Cable, 2 drop (close spacing) ATA 66/100 w/pull tabs (all models - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 173
(Sweden) (All ″G″ models) RJ11 connector adapter (Switzerland) (All ″G″ models) 8148 Windows XP Home Recovery CDs US (models A2U 41U 71G 73G 75G 77G 7EG 7GG 7HG 7KG 7GG 7HG 7KG 7MG 7NG 7PG 7QG 7WG) 8148 Windows XP Pro Recovery CDs US (models A1U D1U E1U 12U 21U 22U 31U 32U A3G B1G D2G E2G 42U 13U - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 174
8148 Windows XP Pro Recovery CDs FR (models A3G B1G D2G E2G 14G 15G 24G 34G 72G 74G 76G 78G 79G 7AG 7BG 7CG 7DG 39J6421 39J6424 39J6428 39J6420 39J6425 39J6422 39J6423 39J6426 39J6432 41D1950 41D1949 39J6431 39J6427 39J6430 39J6433 39J6434 39J7221 39J7222 CRU * 168 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 175
Keyboard (Preferred Pro Fullsize, PS/2, Stealth Black) US English (models A1U D1U E1U 12U 21U 22U 31U 32U A2U A3G B1G D2G E2G 41U 42U 13U 14G 15G 23U 24G 33U 34G 71G 72G 73G 74G 75G 76G 77G 78G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 176
7VG 7WG 7YG 7ZG) FRU# 89P8323 89P8324 89P8325 89P8326 89P8327 89P8328 89P8329 89P8330 89P8331 89P8332 89P8333 89P8335 89P8336 89P8337 89P8338 89P8339 CRU 170 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 177
8148 Power Cords Power Cord (models A1U D1U E1U 12U 21U 22U 31U 32U A2U A3G B1G D2G E2G 41U 42U 13U 14G 15G 23U 24G 7NG 7PG 7QG 7RG 7UG 16U 25U 26U A5U A5F 18U 18F 28U 28F 29U 29F A6G 7VG 7WG 7YG 7ZG) Power Cord (EMEA, ANZ, ASEAN Eng, Korea) (models A3G B1G D2G E2G 14G 15G 24G 34G 71G 72G 73G 74G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 178
Type 8149 1 2 3 13 Item # 1 2 2 3 4 4 12 11 10 9 8 7 6 8149 FRUs Top cover assembly (all models) 230W Power Supply - AcBel PFC (models 11U 21U 31U 41U 14U CAU CBU CCU CDU CEU CFU 33U CGU 24U) 230W Power Supply 09N5747 40Y8801 40Y8805 4 5 CRU ** N N ** ** ** 172 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 179
6 6 6 7 8 9 10 10 10 11 11 8149 FRUs CD-ROM Drive 48X - Black w/o jack & vol (models 11U 21U 31U A1S A1Y D1S D1Y D2S D2Y E1S E1Y E2S E2P CEU CFU CTO-U 33U CGU 24U) System board, (10/100 Enet) w/ video buffer -- optional to 19R0703 (models 21U 31U 12S 12Y 13S 13P 13Y 22S 22Y 23S 23P 23Y 32S 32P 32Y - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 180
12 12 12 12 12 13 13 13 8149 FRUs System board, (10/100 Enet) w/ video buffer -- optional to 19R0703 (models 21U 31U 12S 12Y 13S 13P 13Y 22S 22Y E4S E4Y E5S E5Y 25S 25Y 34S 34Y) 174 Hardware Maintenance Manual FRU# 41D0948 19R0837 39J7966 41D0949 88P7699 13R8907 13R8963 19R0780 19R0417 19R0419 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 181
Chapter 11. FRU lists 175 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 182
USB Cable, Long USB 2.0 (all models) Cable, ATA66 1 drop (all models) Cable, ATA66 2 drop (all models) Cable, Diskette drive (all models) Cable, second serial port (all models) Cable assembly, power 60H6055 CRU * * 8149 Windows XP Pro Recovery CDs US (Models 11U 21U 31U 41U 14U 33U Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 183
8149 Windows XP Pro Recovery CDs BR (models E2P 41P 42P 11P 13P 14P 15P 23P 32P B1P) FRU# 39J6419 CRU * 8149 Keyboards (Standard PS/2 Black) US English (models 11U 21U 34Y) FRU# 89P8300 89P8304 89P8322 CRU * * * 8149 Power Cords Power Cord (models 11U 21U 31U A1S D1S D2S E1S E2S E2P 41U 41S 41P - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 184
Machine Type 8174 2 1 3 11 10 9 4 7 6 5 8 Item # 1 2 3 3 3 3 3 4 4 4 5 8174 FRUs Chassis assembly (all , 40 GB EIDE (models 22A 22T 22B 22H 22V 22Q 23K) 178 Hardware Maintenance Manual FRU# 74P2256 74P2257 40Y8801 40Y8805 40Y8807 40Y8813 40Y8929 40Y9107 40Y8899 40Y9105 40Y8757 CRU ** * ** ** - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 185
23K) System board, (10/100 Enet) w/ video buffer -- optional to 19R0703 (models 23K) System board, (10/100 Enet) w/ video buffer -- optional to 19R0703 (models 23K) System board 22T 22B 22H 22V 22Q 23K) Power Supply, 230W, PFC (Acbel) (models 22A 22T 23K) Power Supply, 230W, China (models 22B 22H - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 186
USB 1.1 cable (top channel) (all models) Audio cable assembly (ATA) (all models) Front panel label kit (all models) Access panel (all models) Cable, power models) RJ11 connector adapter (Switzerland) (All ″G″ models) 8174 Windows XP Pro Recovery CDs US (models 22A 22T 22H 22Q) TW (models Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 187
(Standard PS/2 Black) 8174 Power Cords Power Cord (models 22A 22T 22V) Power Cord (EMEA, ANZ, ASEAN Eng, Korea) (models 23K) Power Cord (EMEA, ANZ, ASEAN Eng, HK Eng) (models 22H) Power Cord (China, HK) (models 22B 22H) Power Cord (India) (models 22Q) Machine Type 8175 1 FRU# 89P821 89P8334 CRU - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 188
Item # 3 3 3 3 3 3 3 3 3 4 4 4 8175 FRUs CD-ROM Drive 48X - Black w/o jack & vol (models 13B 13H 14B 14H 15K 19C 1AC 1BA 44 MB (all models) FRU# 40Y8801 40Y8805 40Y8807 40Y8813 40Y8929 40Y8811 40Y8901 40Y8781 40Y8903 40Y9107 40Y8899 40Y9105 CRU ** ** ** ** ** 182 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 189
Item # 5 5 5 5 6 7 7 7 7 7 8 8 8 8 8175 FRUs Hard disk drive, 40 GB EIDE (models 13B 13H 14B 14H 15K 16V 16V 25V D1V 44V 16A 16T 1DV A8V D9V E2V 53B 53H 1TK 2AK) System board, (10/100 Enet) w/ video buffer -- optional to 19R0703 (models 15K 17K 1CM 27K 29M 32K 16V 25V D1V 44V 16A 16T 1DV A8V D9V - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 190
9 9 9 9 9 9 9 9 9 9 10 8175 FRUs System board, (10/100 Enet) w/ video buffer, no AGP -- optional to 19R0837 (models 13B 13H Celeron 2.53 GHz (models B1A B2A B2T B3A B3Q B3T B3B B3H) Intel Celeron 2.66 GHz (models D6A D7A D7T D8A D8Q D8T D9V DAM DBB DBH DCK) Intel Celeron Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 191
Item # 10 10 11 11 8175 FRUs Heat sink and fan, Northwood >=3.0 GHZ and all Prescott (models 18A 19C 1AC 1BA B3Q B3T D6A D7A D7T D8A D8Q D8T DAM E3M E4A E4Q E4T 51A 51Q 51T DCK E6K 1TK 2AK) 230W Power Supply - AcBel China version (models 13B 13H 14B 14H 16V 19C 1AC 22C 23C 24B 24H 25V 31B 31H D1V - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 192
) Cable, IDE (ATA66 2 drop) (all models) Planar shield (all models) Dual USB 1.1 cable (top channel) (all models) Audio cable assembly (ATA) (all models) Front panel label kit (all models) Access panel (all models) Cable, power/LED (all models) Screw kit (all models) Cable, serial port (all models - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 193
30R4784 27K6746 30R4770 CRU * * * * * 8175 Windows XP Pro Recovery CDs US (models 13H 14H 18A 1BA * * * 8175 Keyboards (Productivity USB) Korean (models E6K 1TK 2AK) FRU# 89P8821 CRU * 8175 Keyboards (Standard 89P8334 CRU * * * * * 8175 Power Cords Power Cord (models 16V 18A 1BA 1BT 21A - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 194
51C 52C 53B 53H) Power Cord (India) (models D4Q 42Q 43Q 13Q 14Q 1BQ 1FQ 1GQ 46Q 47Q 1LQ 1MQ 1PQ 1RQ 1SQ A5Q A6Q A7Q B3Q D8Q E4Q 51Q) FRU# 02K0545 49P2078 CRU * * Machine Type 8176 2 1 3 11 Hardware Maintenance Manual FRU# 74P2256 74P2257 40Y8801 40Y8805 40Y8807 40Y8813 40Y8929 40Y8811 CRU - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 195
board, (10/100 Enet) w/ video buffer -- optional to 19R0703 (models 12C 21C 13C 32C 51C 52C) System board, (10/100 Enet) w/ video buffer -- optional to 19R0703 (models 13R9195 (models 21C 13C 22B 32C D2C D3B D3H 51C 52C) 230W Power Supply - AcBel China version (models 12C 21C D1C 13C 22B 32C D2C D3B - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 196
USB 1.1 cable (top channel) (all models) Audio cable assembly (ATA) (all models) Front panel label kit (all models) Access panel (all models) Cable, power 32C D2C 51C 52C) Speaker Power brick - UK, Hong Kong (3 prong) (models 22B) Speaker Power brick - China, Hong Kong 8176 Windows XP Home - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 197
Windows XP Pro Recovery CDs US/UK/AP/TH (models D3H) HK (models D3B) 8176 Keyboards (Preferred Pro PS/2 Fullsize) US English (models D3H) Chinese/US (models D3B) 8176 Keyboards (Productivity USB) US English (models 12C 21C D1C 13C 32C D2C 51C 52C) Chinese/US (models 22B) 8176 Power Cords Power - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 198
Machine Type 8177 1 2 3 13 Item # 1 2 2 3 4 4 4 12 11 10 9 8 7 6 8177 FRUs Top cover assembly (all models) 230W Power Supply - AcBel PFC (models 21M 21A E3U D1U A3G B1G D3G FRU# 88P5962 74P4300 74P4301 09N5747 40Y8801 40Y8805 40Y8807 192 Hardware Maintenance Manual 4 5 CRU ** N N ** * * * - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 199
Item # 4 4 4 5 5 6 6 6 7 8 9 10 10 10 11 8177 FRUs CD-ROM Drive 48X - Black w/o jack & vol (models 21M 21A 21C 21B 21H 21V E3U D1U A3G B1G D3G E2G 11G 13G 16G 17G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 200
12 12 12 12 12 12 12 12 13 8177 FRUs System board, (10/100 Enet) w/ video buffer -- optional to 19R0703 (models 11S 21M 21A Celeron 2.53 GHz (models B1G 76G CTO-U CTO-G B1U B1S B1P) Intel Celeron 2.66 GHz (models D2S D2P D2Y D3G 75G D3U) Intel Celeron 2.8 GHz (models E3U Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 201
Item # 13 13 8177 FRUs Heat sink and fan, Northwood >=3.0 GHZ and all Prescott (models 21M 21A 21C 21B 21H 21V 22S 13G 14G 17G 73G 77G 7AG 15G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 202
8177 assembly (all models) Bezel kit (all models) Cable, dual USB 2.0 (all models) Cable, ATA66 1 drop (all models) 21H 21V 21Q 21T E6S E6Y 26S 26Y 34S 34Y) Cable assembly, power/LED (all models) 5.25 EMC shield (all models) Misc. ) IT (models A2G) 8177 Windows XP Home Recovery CDs FRU# 19R2723 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 203
A2G) NO (models A2G) PL (models A2G) PO (models A2G) RU (models A2G) HU (models A2G) CZ (models A2G) TR (models A2G) GK (models A2G) 8177 Windows XP Home Recovery CDs FRU# 39J6257 39J6260 39J6264 39J6256 39J6261 39J6258 39J6259 39J6262 39J6268 39J6265 39J6267 39J6263 39J6266 39J6269 CRU - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 204
8177 Windows XP Pro Recovery CDs HE (models A3G B1G D3G E2G 11G 13G 14G 15G 16G 17G 23G 24G 25G 31G 32G 72G 73G 74G ) FRU# 39J6425 39J6422 39J6423 39J6426 39J6432 41D1950 41D1949 39J6431 39J6427 39J6430 39J6433 39J6434 30R4834 30R4813 30R4827 39J7221 39J7222 CRU 198 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 205
8177 Keyboard (Preferred Pro Fullsize, PS/2, Stealth Black) US English (models 21M 21A 21C 21H E3U D1U A3G B1G D3G E2G 11G 13G 14G 15G 16G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 206
8177 Keyboard (Preferred Pro Fullsize, PS/2, Stealth Black) Norwegian (models A3G B1G D3G E2G 11G 13G 14G 15G 16G 17G 23G 89P8324 89P8325 89P8326 89P8327 89P8328 89P8329 89P8330 89P8331 89P8332 89P8333 89P8334 89P8335 89P8336 89P8337 89P8338 89P8339 89P8304 CRU 200 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 207
89P8814 89P8815 89P8816 89P8817 89P8818 89P8819 89P8823 89P8824 89P8825 89P8826 89P8827 89P8828 89P8829 89P8830 89P8831 89P8832 89P8833 89P8835 89P8836 89P8837 89P8838 89P8839 CRU 8177 Power Cords Power Cord (models 11S 21A 21V 22S A1S D4S E3U 12S D1U A3G B1G D2P D3G D4P E1S E1P E2G 11G 13G 14G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 208
8177 Power Cords Power 7LG 7MG 7NG) Power Cord (EMEA) 7LG 7MG 7NG) Power Cord (EMEA, Power Cord (APU) (models A1Y D2Y D4Y E1Y 12Y 22Y E6Y 26Y 34Y) Power Cord (China, HK) (models 21C 21B 21H) Power 7LG 7MG 7NG) Power Cord (EMEA, ANZ 7MG 7NG) Power Cord (EMEA) ) Power Cord (India) (models 21Q) FRU# - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 209
Type 8178 1 2 3 13 Item # 1 2 2 3 4 4 4 4 12 11 10 9 8 7 6 8178 FRUs Top cover assembly (all models) 230W Power Supply - AcBel PFC (models D1M 12M 12A 13M 21M 22M 14G 15G 16G 23G 24G 31G 32G 71G 72G 73G 74G 75G 76G CT0-U CTO-G D2M E1M 33M 34M 51G 51A 51T 52G 77G 78G) 230W Power Supply - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 210
Enet) w/ video buffer, no AGP -- optional to 19R0837 (models D1M D2M E1M) Intel Celeron 2.6 GHz (models D1M) Intel Celeron 2.66 GHz (models D2M) Intel Celeron 2.8 GHz (models E1M) Intel Prescott P4 2.8 GHz (models 12M 12A 12C 12B 12H 12V 13M 12Q 14G) 204 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 211
Item # 12 12 12 12 13 13 13 8178 FRUs Intel Prescott P4 2.8 GHz (models 15G 16G 71G 72G) Intel Prescott P4 3.0 GHz (models 21M 22M 23G 24G 73G 74G) Intel Prescott P4 3.2 GHz (models 31G 32G 75G 76G 33M 34M) Intel Prescott P4 3.4 GHz (models 51G 51A 51Q 51T 52G 77G 78G) Heat sink and fan, Northwood - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 212
00N5151 37L5092 19K5548 88P5965 26K1216 33F8354 24P0383 89P5089 60H6043 60H6045 60H6046 60H6047 60H6048 60H6049 60H6050 60H6051 60H6052 60H6053 60H6054 60H6055 CRU * * 8178 Windows XP Pro Recovery CDs US (Models D1M 12M 12A 12H 13M 21M 22M 14G 15G 16G 23G 24G 31G 32G 71G 72G 73G 74G 75G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 213
8178 Windows XP Pro Recovery CDs FR (models 14G 15G 16G 23G 24G 31G 32G 71G 72G 73G 74G 75G 76G 51G 52G 77G 78G) GR (models 14G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 214
89P8308 89P8309 89P8310 89P8313 89P8314 89P8303 89P8315 89P8316 89P8317 89P8318 89P8319 89P8323 89P8324 89P8325 89P8326 89P8327 89P8328 89P8329 89P8330 89P8331 89P8332 CRU 208 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 215
15G 16G 23G 24G 31G 32G 71G 72G 73G 74G 75G 76G 51G 52G 77G 78G) FRU# 89P8333 89P8335 89P8336 89P8337 89P8338 89P8339 CRU * * * * * * 8178 Power Cords Power Cord (models 12A 12V 14G 15G 16G 23G 24G 31G 32G 71G 72G 73G 74G 75G 76G 51G 51A 51T 52G 77G 78G - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 216
Machine Type 8179 Item # 8179 FRUs 1 Side cover assembly (all models) 2 ″L″ Cover Combo drive (models) 6 Diskette drive, 3.5 1.44MB (all models) 210 Hardware Maintenance Manual FRU# 59P8547 59P8546 59P8544 49P1900 40Y8801 40Y8805 40Y8807 40Y8813 40Y8929 71P7357 26K5385 33P3301 40Y9107 CRU - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 217
front panel (models) Cable, audio assembly (all models) Cable, dual USB 2.0 (all models) Hard disk drive bracket assembly (all models) Hard disk drive tray (all models) Power switch assembly (all models) Bezel, Diskette drive (all models) Cable, 2 drop (close spacing) ATA 66/100 w/pull tabs (all - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 218
Windows XP Home Recovery CDs Simplified Chinese (models 12C) CS (models 13C) 8179 Windows XP Pro Recovery CDs 8179 Keyboards (Standard PS/2 Black) US English (models 12C 13C) 8179 Power Cords Power FRU# 30R4813 CRU * FRU# 89P8300 CRU * FRU# 02K0545 CRU * 212 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 219
customer and the servicer. The servicer can use the DMI MIF Browser to update the MIF information in the EPROM. It is anticipated that some servicers might charge for this service. To update the EPROM using the DMI MIF Browser, use the following procedure. © Lenovo 2005. Portions © IBM Corp. 2005 - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 220
From your browser, type http://www.lenovo.com/think/support. 2. In the Use Quick path field, type your 4-digit machine type and click Go. 3. Under Browse by product, click Downloads and drivers. 4. Scroll down to the BIOS catagory and click on the Flash Bios Update. 214 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 221
printed instructions to download, extract, and install the update. Recovering from a POST/BIOS update failure Attention: If an interruption occurs during a POST/BIOS update (flash update), the computer might not restart correctly. If this occurs, perform the following procedure (also known as a Boot - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 222
components of the computer such as the system power supply, processor, hard disk drives, and some monitors. Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is allowed to control the power management features of the computer and the setting - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 223
Windows operating system and is hidden from the Windows not be possible in the Windows environment. The following recovery problem with the software is encountered, you can use the recovery tools from either the Windows workspace is not displayed until you type the password. 3. The Rescue and - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 224
218 Hardware Maintenance Manual - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 225
operation of any other product, program, or service. Lenovo may have patents or pending patent applications covering support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 226
States, other countries, or both: Lenovo ThinkCentre PS/2 Rescue and Recovery The following terms are trademarks of International Business Machines Corporation in the United States, other countries, or both: Asset ID Alert on LAN IBM (used under license) Wake on LAN Intel and Pentium are trademarks - Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 227
- Lenovo ThinkCentre M50e | Hardware Maintenance Manual - Page 228
Part Number: 19R1295 Printed in USA (1P) P/N: 19R1295
Hardware
Maintenance
Manual
Types
8084,
8085,
8126,
8147,
8148,
8149
Types
8174,
8175,
8176,
8177,
8178,
8179