Lenovo ThinkCentre A51 Hardware Maintenance Manual

Lenovo ThinkCentre A51 Manual

Get Lenovo ThinkCentre A51 PDF manuals and user guides View all Lenovo ThinkCentre A51 manuals
Add to My Manuals
Save this manual to your list of manuals

Lenovo ThinkCentre A51 manual content summary:

  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 1
    Hardware Maintenance Manual Types 8104, 8105, 8106, 8107 Types 8108, 8109, 8118, 8121
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 2
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 3
    Hardware Maintenance Manual Types 8104, 8105, 8106, 8107 Types 8108, 8109, 8118, 8121
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 4
    and the product it supports, be sure to read the information under "Notices," on page 201. Seventh Edition (July 2009) © Copyright Lenovo 2005, 2006. Portions © Copyright International Business Machines Corporation 2005. LENOVO products, data, computer software, and services have been developed
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 5
    . . 57 Hard disk drive boot error 57 Power Supply Errors 57 Diagnostic error codes 59 Beep symptoms 80 No-beep symptoms 82 POST error codes 83 Miscellaneous error messages 86 Undetermined problems 88 Chapter 8. FRU lists 89 Machine Type 8104 89 Machine Type 8105 110 Machine Type 8106 123
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 6
    iv Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 7
    a Lenovo product, be sure to read the Safety Information. See Chapter 2, "Safety information," on page 5. The Symptom-to-FRU (field replaceable unit) Index and Additional Service Information chapters are not specific to any machine type and are applicable to all ThinkCentre computers. This manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 8
    is a unique configuration that has been negotiated between Lenovo and the customer. A unique 4-digit MT and resources to identify which FRUs are used to support CTO, CMV, and GAV products. These are hard disk drives, system boards, microprocessors, Liquid Crystal Displays (LCDs), and memory. v Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 9
    - hard disk drive, system board, microprocessor, LCD, and memory) v eSupport can be used to view the list of key commodities built in a particular machine serial (this is the same record found in PEW). v eSupport can be accessed at the following Web site: http://www.lenovo.com/think/support v To
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 10
    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 the time of order. 4 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 11
    to your eyes. v After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective. v Reinstall all covers correctly before returning the machine to the customer. Electrical safety © Lenovo 2005, 2006. Portions © IBM Corp. 2005. 5
  • Lenovo ThinkCentre A51 | 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 A51 | 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 units - Pumps - Blowers and fans covered by this inspection guide. If any unsafe conditions ground. b. The power cord should be the appropriate type as specified in the
  • Lenovo ThinkCentre A51 | 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 A51 | 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 A51 | Hardware Maintenance Manual - Page 16
    battery, replace it only with the same module type made by the same manufacturer. The battery contains laser products (such as CD-ROMs, DVD-ROM drives, fiber optic devices, or transmitters) are installed, to hazardous laser radiation. There are no serviceable parts inside the device. v Use of Manual
  • Lenovo ThinkCentre A51 | 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 A51 | Hardware Maintenance Manual - Page 18
    12 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 19
    Chapter 2. Safety information 13
  • Lenovo ThinkCentre A51 | 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 A51 | 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 A51 | 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 A51 | 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 A51 | Hardware Maintenance Manual - Page 24
    18 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 25
    2 1 Chapter 2. Safety information 19
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 26
    20 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 27
    Chapter 2. Safety information 21
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 28
    2 1 22 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | 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 A51 | 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 A51 | 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 A51 | 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 A51 | 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 A51 | 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 A51 | Hardware Maintenance Manual - Page 35
    Chapter 2. Safety information 29
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 36
    30 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 37
    2 1 Chapter 2. Safety information 31
  • Lenovo ThinkCentre A51 | 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 A51 | 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 A51 | 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 A51 | Hardware Maintenance Manual - Page 41
    Chapter 2. Safety information 35
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 42
    2 1 36 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 43
    Chapter 2. Safety information 37
  • Lenovo ThinkCentre A51 | 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 A51 | 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 A51 | 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 A51 | Hardware Maintenance Manual - Page 47
    unit) removal and installation instructions v Publications v Troubleshooting information v Parts information 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/. © Lenovo 2005, 2006. Portions
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 48
    This section lists the physical specifications for your computer. Dimensions Idle: 28 dBA Operating: 30 dBA Declared (upper limit) sound-power levels: Idle: 3.8 bels Operating: 4.3 bels Note: These noise sources. The declared sound-power levels indicate an upper limit, below which a
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 49
    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, 2006. Portions © IBM Corp. 2005. 43
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 50
    , 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 diagnostics indicate
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 51
    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 45
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 52
    46 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 53
    program is available from http://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 48. Diagnostic error messages
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 54
    turn off the computer. 2. Insert the diskette or CD-ROM in the appropriate drive. 3. Turn on the computer. Note: If the PC-Doctor program fails to ://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 A51 | Hardware Maintenance Manual - Page 55
    132 total drives). Drive information is gathered through FDAT's enumeration of available devices and user specific configuration parameters located in the FDAT.INI. FDAT uses information supplied by these features to indicate specifically what devices are 1. The terms fixed disk and hard disk are
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 56
    v Auto Spin Down - a gradual spin 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, the FDAT module is written as a set of
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 57
    ranges as the same, then the entire drive is tested as non-destructive. Quick and Full erase - hard drive The diagnostics program offers two hard drive format utilities: v Quick Erase Hard Drive v Full Erase Hard Drive The Quick Erase Hard Drive provides a DOS utility that performs the following
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 58
    Full Erase Hard Drive utility, use the following procedure: 1. Select the UTILITY option on the toolbar and press Enter. 2. Select either the QUICK ERASE or FULL ERASE HARD DISK option and follow the instructions. Viewing the to diskette or press F2 to print the file. 52 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 59
    v Administrator Password v IDE Drive User Password (some computers) v IDE Drive Master Password (some computers) You do not have to set any passwords to use your computer. However, if you decide to set any passwords, read the following sections. © Lenovo 2005, 2006. Portions © IBM Corp. 2005. 53
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 60
    password only once when you turn on your computer. v Do not move an internal IDE hard disk drive to another computer if an IDE Drive User Password has been set 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
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 61
    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 set, the IDE Drive Master Password must be set before setting the
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 62
    such as the CD-ROM, diskette, or hard disk as expected, use one of the any boot device. Note: Not all CDs, hard disks, and diskettes are startable (bootable). systems such as Microsoft® Windows® XP. The default setting using an operating system other than Windows XP, the computer performance might
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 63
    following: 1. Attempt to back-up the data on the failing hard disk drive. 2. Using the operating systems programs, format the hard disk drive. Replace the hard disk drive. Power Supply Errors If you suspect a power problem, use the following procedures. Check/Verify Check the following for proper
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 64
    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. 58 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 65
    "Running diagnostics tests" on page 48 for the specific type for information about the Diagnostic programs. In the update procedures" on page 196 3. Run memory test 4. System board 1. Flash the system. See "Flash update procedures" on page 196 2. System board 1. Flash the system. See "Flash update
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 66
    BIOS ACPI failure 001-000-XXX System Test Passed 001-00X-XXX System Error 001-01X-XXX System Error 001-024-XXX System Addressing test failure 001-025-XXX System Checksum Value error 001-026-XXX System FLASH data error 60 Hardware Maintenance Manual FRU/Action 1. Flash the system. See "Flash update
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 67
    System board 1. Flash the system. See "Flash update procedures" on page 196 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 A51 | Hardware Maintenance Manual - Page 68
    failure 001-272-XXX System IRQ5 failure 001-273-XXX System IRQ6 (diskette drive) failure 001-274-XXX System IRQ7 failure 001-275-XXX System IRQ8 failure 001-280-XXX System IRQ13 failure 62 Hardware Maintenance Manual FRU/Action 1. Go to "Undetermined problems" on page 88 2. Flash the system and re
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 69
    001-281-XXX System IRQ14 (hard disk drive) failure 001-282-XXX System IRQ15 failure 001-286-XXX 001-287-XXX 001-288-XXX System Timer failure 001-292-XXX System CMOS RAM error 001-293-XXX System CMOS Battery 001-298-XXX System RTC date/time update failure 001-299-XXX System RTC
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 70
    BIOS extension problems" on page 88 2. Flash the system and re-test. See "Flash update procedures" on page 196 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 64 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 71
    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 196 3. Go to "Undetermined problems" on page 88 006-199-XXX 1. Go to "Undetermined problems" on page Diskette
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 72
    Re-start the test, if necessary 011-196-XXX 1. Press F3 to review the log file Serial port test halt, error threshold exceeded 2. Re-start , cause unknown 1. Go to "Undetermined problems" on page 88 2. Flash the system and re-test. See "Flash update procedures" on page 196 3. Replace component
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 73
    Information only Re-start the test, if necessary 1. Press F3 to review the log file 2. Re-start the test to reset the log file update procedures" on page 196 3. Go to "Undetermined problems" on page 88 1. Go to "Undetermined problems" on page 88 2. Flash the system and re-test. See "Flash update
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 74
    196 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 196 3. System board Information only Re-start the test, if necessary 1. Press F3 to review the log
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 75
    problems" on page 88 2. Flash the system and re-test. See "Flash update procedures" on page 196 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 A51 | Hardware Maintenance Manual - Page 76
    warning 70 Hardware Maintenance Manual FRU/Action 1. If problems" on page 88 2. Flash the system and re-test. See "Flash update procedures" on page 196 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 A51 | Hardware Maintenance Manual - Page 77
    on page 196 3. Go to "Undetermined problems" on page 88 1. Go to "Undetermined problems" on page 88 2. Flash the system and re-test. See "Flash update procedures" on page 196 3. Replace component under function test No action 1. SCSI signal cable 2. Check power supply 3. SCSI device 4. SCSI adapter
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 78
    -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 196 3. Go to "Undetermined problems" on page 88 1. Go to "Undetermined problems" on page 88 2. Flash the system and re-test. See "Flash update
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 79
    " on page 196 3. Go to "Undetermined problems" on page 88 1. See "Undetermined problems" on page 88 2. Flash the system and re-test. See "Flash update procedures" on page 196 3. Replace component under function test 1. Speakers 2. Audio card, if installed 3. System board No action 1. Remove
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 80
    on page 53 2. Flash the system and re-test. See "Flash update procedures" on page 196 3. Go to "Undetermined problems" on page 88 080-199-XXX Game Port interface test failed, cause exceeded 1. Press F3 to review the log file 2. Re-start the test to reset the log file 74 Hardware Maintenance
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 81
    88 1. See "Undetermined problems" on page 88 2. Flash the system and re-test. See "Flash update procedures" on page 196 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 A51 | Hardware Maintenance Manual - Page 82
    , error threshold exceeded 1. Press F3 to review the log file 2. Re-start the test problems" on page 88 2. Flash the system and re-test. See "Flash update procedures" on page 196 3. Replace component under function test 170-250-XXX 170-251-XXX Voltage Sensor(s) Voltage limit error 1. Power supply
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 83
    " on page 196 3. Go to "Undetermined problems" on page 88 1. See "Undetermined problems" on page 88 2. Flash the system and re-test. See "Flash update procedures" on page 196 3. Replace component under function test 1. Check fans 2. Check Power supply voltages 3. Microprocessor 4. System board No
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 84
    Hard Disk Drive Cable 2. Check power supply voltages 3. Reseat the hard disk drive cable 4. Hard Disk drive (IDE) 5. System board 1. Hard Disk Drive Cable 2. Check power supply voltages 3. Reseat the hard disk drive cable 4. Hard Disk drive Video card 5. System board 78 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 85
    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 79
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 86
    CMOS read-write error 1-2-2-3 ROM BIOS check error 1-2-1 Programmable Interval Timer RAM refresh verification failed 1-3-3-1 1st 64K RAM test failed 1-3-2 1st 64K RAM failed 2-2-3 CMOS power failure and checksum 1. Memory module 2. System Board 1. Memory module 2. System Board 1. Memory module
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 87
    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 A51 | Hardware Maintenance Manual - Page 88
    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 88. 2. System Board 3. Memory Module 4. Any Adapter or Device 5. Riser Card 6. Power Cord 7. Power Supply 82 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 89
    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 A51 | Hardware Maintenance Manual - Page 90
    Cleared If problem persists, replace the system board 201 Memory error 1. Run Enhanced Diagnostics Memory Test 2. Memory module 3. 2. If problem persists, replace the system board 662 Configuration Change has occurred Diskette drive configuration error or wrong diskette drive type; run Setup
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 91
    Not Enough Real Memory Space Available 1. Run hard drive) configuration error 1. Run Setup. 2. CD-ROM Drive 3. CD-ROM Adapter 4. Zip or other ATAPI device 5. Replace system Board 6. Replace riser card if applicable 8603, 8604 Pointing Device Error 1. Replace pointing device (mouse) 2. if problem
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 92
    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 86 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 93
    blank or illegible display) 1. Display 2. System Board 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 1. Printer Program loads from the hard disk with a known-good diagnostics diskette in the
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 94
    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, replace
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 95
    page 4. Machine Type 8104 1 2 3 4 5 6 13 7 9 8 10 12 11 Item # 8104 FRUs 1 Top Cover (all models) 2 Riser card and bracket assembly, Flippable, PCI and PCIX/DVI Add card (models CTO) FRU# 89P6782 39M0557 CRU Tier 1 1 RoHS Compliant? Y Y © Lenovo 2005, 2006. Portions © IBM Corp. 2005
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 96
    E2U E3S E3Y E3P E4S E4Y E4P F1G C1U C2U C3U C4U C5U C6U C7U C8U CTO) 3 Power Supply (all models) 41N3105 4 Hard disk drive, 40GB 7200rpm SATA non-RoHS (models BKU BLU BMU 71P7312 2CU 3AU 4EU CTO) 4 Hard disk drive, 40GB 7200rpm SATA (models BKU BLU BMU 2CU 3AU 40Y8760 4EU CTO 2RU 2RF
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 97
    Item # 8104 FRUs 4 Hard disk drive 80GB 7200rpm SATA (models A1S A1Y A1P A1J A2S A2Y A2P A2J A3J A4J A5S A5Y 2HJ 2JJ 2KJ 3SJ 3TJ 3UJ DAE DAJ DBJ DCE DCJ DDJ DEJ DFJ DGJ DHJ EAJ EBJ ECJ EDJ) 4 Hard disk drive 80GB 7200rpm SATA (models A1S A1Y A1P A1J A2S A2Y A2P A2J A3J A4J A5S A5Y A5P A5J A6J A7J
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 98
    93A 93Q 93T 93C 93B 93H 93V 93K 93R 93E 93J 94U 94F 61S 61P 61Y CFU CGU CHU) 4 Hard disk drive 80GB 7200rpm SATA (modelsA1S A1Y A1P A1J A2S A2Y A2P A2J A3J A4J A5S A5Y A5P A5J A6J A7J A8J 61P 61Y CFU CGU CHU) FRU# 40Y9034 41X2500 CRU Tier 1 RoHS Compliant? Y 1 Y 92 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 99
    4PJ 4QJ D5J D6J E8J E9J F2J F3J 56J 57J 58J 91S 91Y 91P) 4 Hard disk drive 250GB 7200rpm SATA (models 12U 12F 12S 12P 12G 12M 12A 12Q 12T 12C 12B 12H 12V 12K 12J) 4 Hard disk drive 250GB 7200rpm SATA (models 12U 12F 12S 12P 12G 12M 12A 12Q 12T 12C 12B
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 100
    E1U E2U E3S E3Y E3P E4S E4Y E4P F1G CTO 2HJ 3SJ) 6 CD-ROM (24x) Plus Ultrabay Enhanced Drive (RoHS) (models A1S A1Y A1P A1J A2S A2Y A2P A2J A3J AAJ ABJ ACJ B1S B1Y B1P B1J 92P6565 40Y8963 40Y8961 40Y8787 40Y8965 CRU Tier 1 RoHS Compliant? N 1 Y 1 Y 1 N 1 Y 94 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 101
    52H 53A 53T 54J 57J 5FU 91S 91Y 91P 94U) 6 Multi-Burner Plus Ultrabay Enhanced Drive (024\024\024\008) (models 40Y8951 A7J A8J A9J AGJ AHJ AJJ B7J B8J B9J 12A 12Q 12T 12C 12B 12H 12V 12K 12J 55J 58J) 6 Slim PATA RAMBO 5 drive (models A7J A8J A9J AGJ AHJ AJJ B7J B8J B9J 41N3355 BGJ BHJ BJJ 29J 2AJ
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 102
    AKJ ALJ AMJ ANJ APJ) 39J6085 10 Microprocessor - P4 2.66Ghz Prescott, Intel 506 supporting EM64T (models 2PS 2PY 2PP CFU) 41D1029 10 Microprocessor - P4 517 2.93Gz/533 Compliant? Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 96 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 103
    4NP D1U D2U D3S D3Y D3P E1U E2U E3S E3Y E3P E4S E4Y E4P F1G C1U C2U C3U C4U C5U C6U C7U C8U CTO) 12 Memory - 256MB PC2-4200 (533MHz) DDR2 SDRAM (models A1S A1Y A1P A1J A2S A2Y A2P A2J A3J A4J A5S A5Y A5P A5J A6J A7J A8J A9J
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 104
    CHU) 12 Memory - 1GB PC2 ) 13 Rear exhaust fan (all models) FRU# 30R5121 30R5122 Power/LED cable assembly with bracket (all models) Chassis and cover assembly (all models) Cable, SATA HDD (all models)+ Ultra C6U C7U C8U CTO) Ultra Bay Enhanced Cable/Card Assembly (all models) Fan assembly, front (all
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 105
    8104 FRUs Cable, intrusion switch (all models) Vertical stand (all models) Rear air deflector (all models) Miscellaneous hardware kit (all models) Battery 3.0V (all models) Underdesk Mounting Kit (all models) Plastic Parts Kit (all models) Chassis Intrusion Switch-C2 Cable-Switch (models A1S A1Y A1P
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 106
    89P8334 89P8336 89P8337 89P8338 89P8339 CRU Tier 1 1 RoHS Compliant? Y Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 100 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 107
    8104 Keyboards (Productivity USB, no hub) US English/China (models 4KA 4KM 4KQ 4KH 3KC 4JC) Chinese/US (models 4KB) Thailand (models 4KT) FRU# 89P8800 89P8807 89P8834 CRU Tier 1 1 1 RoHS Compliant? Y Y Y 8104 Keyboard (with fingerprint reader) US English/China (models 22E 24E 32E 3DU 4GU 4MA 4MQ
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 108
    11G) Romanian (models 11G) Russian/Cyrillic (models 11G) Serbian/Cyrillic (models 11G) Slovak (models 11G) 102 Hardware Maintenance Manual FRU# 89P9032 89P9033 89P9034 89P9035 89P9036 89P9037 89P9038 89P9039 CRU Tier 1 1 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y Y Y FRU# 89P9040 89P9041 89P9058
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 109
    8104 Keyboards (Preferred Pro Fullsize USB w/o palmrest) Spanish (models 11G) Swedish/Finn (models 11G) Thailand (models 11T) Turkish (models 11G) Turkish (models 11G) UK English (models 11G) US Euro (models 11G) Yugoslav/Latin (models 11G) 8104 Keyboards (Preferred Pro Fullsize USB keyboard) US
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 110
    1 Y 41A5251 1 Y 41A5252 1 Y 41A5253 1 Y 41A5254 1 Y 41A5255 1 Y 41A5256 1 Y 41A5257 1 Y 41A5258 1 Y 41A5259 1 Y 41A5260 1 Y 41A5261 1 Y 41A5262 1 Y 41A5263 1 Y 41A5264 1 Y 41A5265 1 Y 41A5266 1 Y 41A5267 1 Y 104 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 111
    8104 Fingerprint Keyboard Japanese (models A2J A5J A8J ABJ AEJ AHJ B2J B5J B8J BBJ BEJ BHJ 22J 24J 27J 2AJ 32J 35J 38J 3PJ 42J 45J 48J 4BJ 2HJ 2KJ 2JJ 3SJ 3TJ 3UJ ALJ AMJ ANJ APJ APJ AQJ D5J D6J E8J E9J F2J F3J DCJ DEJ DGJ DHJ ECJ EDJ 12J) Korean (models BSK 12K) LA Spanish (models A2S A2Y A5S A5Y
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 112
    1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 8104 mice Mouse, PS/2 - 2-button (black) (models CTO) Mouse, PS/2 - 2-button (black) (models CTO) 106 Hardware Maintenance Manual FRU# 24P0383 41A4909 CRU Tier 1 1 RoHS Compliant? N Y
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 113
    21A 4KA 4MA 4DG FIG BRK BSK 21K CTO 2NA E5A D7A D8A E6A 2NG E5G 2NK E5K) Power Cord (EMEA, ANZ, ASEAN Eng, HK Eng) (models 21A 4KA 4MA 4DG FIG 21V CTO 3JA 3JY 3JG 4HF 4HS 4HP 4HY 4HG 2NG E5G 2NS E5S 2NY E5Y 2NP E5P D4F E7F) Power Cord (APU) (models CTO A1Y A2Y A5Y B1Y B5Y BNY BMY 21Y 23Y 27Y 31Y
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 114
    Power Power Cord (EMEA) (models 4DG F1G CTO 3JG 4HG 2NG E5G) Power Power Cord (EMEA) (models 4DG F1G CTO 3JG 4HG 2NG E5G) Power Cord US (all U, F, T, S, D, L, and A models) Power Cord (China) (all C models) Power Cord (Japan) (all J models) Power Cord (Brazil) (all P models) Power 8104 Windows XP
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 115
    8104 Windows XP Pro Recovery CDs US/UK/AP/TH (models BKU BLU BMU BNH 21E 22E 23E 24E 2CU 2DU 2EU 31E 32E 3AU 3BU 3DU
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 116
    Type 8105 13 1 2 3 4 5 6 7 9 8 10 12 11 Item # 8105 FRUs FRU# 1 Top Cover (all models) 89P6782 2 Riser card and bracket 32Y 33U 34S 34Y 34P 35U 36S 36Y 36P 37U 37F Riser card and bracket assembly, Flippable, PCI and PCIX/DVI Add card (models CTO) 39M0557 2 Riser Car Bracket Asm, PCI
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 117
    41K F1K 73G 74G) 3 Power Supply (all models) 4 Hard disk drive, 40GB 7200rpm SATA, non-RoHS (models CTO A2S A2P A3U B2U 24U 24F 33U 71G 72G) 4 Hard disk drive, 40GB 7200rpm SATA (models 25S 25Y 25P 26U 27S 27Y 27P 31C 32S 32P 32Y 34S 34Y 34P 35U 36S 36Y 36P 37U 37F 38K D1S D1P D1Y D2S D2P D2Y E1S
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 118
    Hard disk drive 250GB 7200rpm SATA (models 3DB 3DH) 4 Hard disk drive 250GB 7200rpm SATA (models 3DB 3DH) 4 Hard disk drive 250GB 7200rpm SATA (models 3DB 3DH) 4 Hard disk drive 32P 32Y 33U 34S 34Y 34P 35U 37U 37F 71G 72G B6C Y 1 Y 1 N 1 Y 1 Y 1 N 1 Y 112 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 119
    73G 74G BBG 2AC 2NQ) 6 DVD-ROM/CD-RW Combo Drive (024\024\024\008) (models CTO 21K 26U 27S 27Y 27P 35U 36S 36Y 36P D1S D1Y D1P D2S D2Y D2P E1S E1Y E1P 2JU 2JF 2EH 2CB 2CH) 6 DVD-ROM/CD-RW Combo Drive (024\024\024\008) (models CTO 21K 26U 27S 27Y 27P 35U 36S 36Y 36P D1S D1Y D1P D2S D2Y D2P E1S E1Y
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 120
    2FP 3EU 3EF) 12 Memory - 512MB PC2-4200 (533MHz) DDR2 SDRAM (models CTO 26U 27S 27Y 27P 32S 32P 32Y 33U 35U 36S 36Y 36P D1S D1P . 8105 FRUs Bezel, Ultra-Bay-Enhanced (all models) HSS Tray assembly (includes grommet/pins/brkt/ground springs) (all models) Power/LED cable assembly with bracket (all
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 121
    2GP 3ES 3EY 3EP 3FS 3FY 3FP 3GS 3GY 3GP) FRU# 39K5022 89P6792 89P6793 89P6794 33F8354 39M0599 39M0575 09K9827 CRU Tier 1 1 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y Y Y 8105 Adapters and miscellaneous FRU PCI Modem Card (Soft), ATX V.90 (models A1U B1S B1Y B1P B4S B4Y B4P 11S 11Y 11P 13S 13Y 13P
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 122
    1 Y 89P8336 1 Y 89P8337 1 Y 89P8338 1 Y 89P8339 1 Y 8105 Keyboards (Productivity USB) US English/China (models CTO A1U 2AC 2AC 2CB 89P8804 89P8805 89P8806 89P8807 89P8808 89P8809 89P8810 89P8811 89P8812 89P8813 116 Hardware Maintenance Manual CRU Tier 1 1 1 1 1 1 1 1 1 1 1 1 1
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 123
    (with fingerprint reader) US English (models CTO 26U 35U) Brazilian Portuguese (models CTO-L 27P 36P D2P) LA Spanish (models CTO-L 27S 27Y 36S 36Y D2S D2Y) FRU# 89P9000 89P9005 89P9022 CRU Tier 1 1 1 RoHS Compliant? Y Y Y 8105 Keyboards (Enhanced Performance w/ Hub USB keyboard) US English
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 124
    1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 8105 Fingerprint Keyboard US English/China (models CTO 26U 35U) Brazilian Portuguese (models CTO-L 27P 36P D2P) LA Spanish (models CTO-L 27S 27Y 36S 36Y D2S D2Y) FRU# 41A5248 41A5253 41A5271 CRU Tier 1 1 1 RoHS Compliant? Y Y Y 118 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 125
    8105 Keyboards (Preferred Pro Fullsize, PS/2) US English (models CTO 71G 72G A3U B2U 24U 33U 37U 22A 22Q 22H 73G 74G BBG 2CH 2DH 2EH
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 126
    1 1 1 1 1 RoHS Compliant? Y Y N N N N 8105 Power Cords Power Cord (models CTO-U CTO-L A1U A3U B2U 24U 26U 33U 35U 37U 23F 37F A1S A1P A2S A2P A4S A4P A4G B1S B1P B3S B3P 1 N 1 N 1 N 1 N 1 N 1 N 1 N 1 N 1 N 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 120 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 127
    38K B7K B8K 28K 29K 39K 41K F1K) FRU# 39J8901 39J8906 39J8904 CRU Tier 1 1 1 RoHS Compliant? Y Y Y 41W3456 1 Y 41W3449 1 8105 Windows XP Pro Recovery CDs US/UK/AP/TH (models A3U B2U 24U 26U 33U 35U 37U 71G 72G 73G 74G) FR/CF (models 24F 37F 71G 72G 73H 74G 2BF BBG 2JF 2KF
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 128
    8105 Windows XP Pro Recovery CDs CZ (models 71G 72G 73G 74G BBG) TR (models 71G 72G 73G 74G BBG) GK (models 71G 72G 73G ) Hong Kong - TC (models 2CB 2DB 3CB 3DB) FRU# 39J9074 39J9077 39J9080 39J9081 41W3422 41W3435 CRU Tier 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y 122 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 129
    Machine Type 8106 13 1 2 3 4 5 6 7 9 8 10 12 11 Item # 8106 FRUs 1 Top Cover (all models) 2 Riser card and bracket assembly (models A1C A2M A3M 21K 22K 23C 24C 25C 26M 27M 28M 28A 28Q 28T 29M 2AM 2BU 2BF 2BS 2BP 2BU 2BD 2BY
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 130
    41K 41R 41E 41J E1U E1F E1S E1P E1D E1Y E1G E1M E1A E1Q E1T E1C E1B E1H E1V E1K E1R E1E E1J) 3 Power Supply (all models) 4 Hard disk drive 80GB 7200rpm SATA (models A1C A2M A3M 21K 22K 23C 24C 25C 26M 27M 28M 28A 28Q 28T 29M 2BU 2BF 2BS 2BP 2BU
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 131
    D1M 2DS 2DP 2DY 2ES 2EP 2EY 61S 61P 61Y) 6 CD-ROM (24x) Plus Ultrabay Enhanced Drive (models A1C A2M A3M 23C 24C 28M 28A 28Q 28T B2M D1M 2DS 2DP 2DY 2ES 2EP 2EY E1Y E1G E1M E1A E1Q E1T E1C E1B E1H E1V E1K E1R E1E E1J) 6 DVD-ROM Drive (8X/24X) (models 25C 2BU 2BF 2BS 2BP 2BU 2BD 2BY 2BG 2BM 2BA 2BQ
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 132
    Prescott, Intel 506 supporting EM64T (models 2DS Memory - 256MB PC2-4200 (533MHz) 61S 61P 61Y) 13 Rear exhaust fan (all models) FRU# 39J6096 39J6086 39J6087 Ultra-Bay-Enhanced (all models) HSS Tray assembly (includes grommet/pins/brkt/ground springs) (all models) Power/LED cable assembly with bracket
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 133
    41R 41E 41J E1U E1F E1S E1P E1D E1Y E1G E1M E1A E1Q E1T E1C E1B E1H E1V E1K E1R E1E E1J) Ultra Bay Enhanced Cable/Card Assembly (all models) Fan assembly, front (all models) Cable, intrusion switch (all models) Vertical stand (all models) Rear air deflector (all models) Miscellaneous hardware kit
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 134
    E1P 2DP 2EP 61P) Bulgarian (models 2BG 2CG E1G 41G) FRU# 41A5039 CRU Tier 1 RoHS Compliant? Y 41A5040 1 Y 41A5041 1 Y 41A5042 1 Y 41A5043 1 Y 41A5044 1 Y 41A5045 1 Y 128 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 135
    8106 Keyboards (Preferred Pro Fullsize, PS/2) Chinese/US (models 2BC 2BV 2CC 41C E1C 2CV E1V 41V A4V A5V B1V B3V D2V D4V A6V) Czech (models 2BG 2CG E1G 41G) Danish (models 2BG 2CG E1G 41G) Dutch (models 2BG 2CG E1G 41G) French (models 2BG 2CG E1G 41G) French Canadian 445 (models 41F E1F 2CF) French
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 136
    21K 22K 2BA 2BK 2BM 2CA 41A E1A E1G 2CG 41G 41M E1M 2CM 41K E1K 2CK E2M) Power Cord (EMEA, ANZ, ASEAN Eng, HK Eng) (models 28A 2BA 2BM 2BH 2CA 41A E1A Compliant? N 1 N 1 N 1 N 1 N 1 N 1 N 1 N 1 N 1 N 1 N 1 N 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 130 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 137
    all G and A models) Power Cord (UK / Ireland /Singapore, Malaysia, Brunei) (all G and A models) FRU# 39M5212 39M5151 39M5246 39M5164 39M5129 39M5157 39M5171 39M5143 39M5004 39M5122 39M5150 CRU Tier 1 1 1 1 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y Y Y Y Y 1 Y 8106 Windows XP Home Recovery CDs US
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 138
    8106 Windows XP Pro Recovery CDs SL (models 2BG 2CG E1G 41G) Japanese (models 2BJ 2CJ 41J E1J) Simplified Chinese (models 24C 25C (models 21K 22K 2BK 2CK E1K 41K) FRU# 39J9081 41W3442 41W3422 41W3428 41W3435 41W3415 CRU Tier 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y 132 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 139
    77G 78G) 2 Riser card and bracket assembly, Flippable, PCI and PCIX/DVI Add card (models CTO) 3 Power Supply (all models) 3 Power Supply (all models) 4 Hard disk drive, 40GB 7200rpm SATA (models CTO) 4 Hard disk drive, 40GB 7200rpm SATA (models CTO) 4 Hard disk drive, 40GB 7200rpm SATA (models
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 140
    ) 4 Hard disk drive 250GB SATA (models CTO) 4 Hard disk drive 250GB SATA (models CTO) 4 Hard disk drive 250GB 7200rpm SATA (models CTO) 4 Hard disk drive 250GB 7200rpm 1 Y 1 Y 1 N 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 2 Y 1 N 1 Y 1 Y 1 N 134 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 141
    62S 62Y 62P 91S 91Y 91P 92S 92Y 92P) 6 CD-ROM (24x) Plus Ultrabay Enhanced Drive (models CTO A1S A1Y A1P A2S A2Y A2P B1S B1Y B1P B2S B2Y B2P B3S B3Y B3P E1P E2S E2Y E2P 74G 75G 76G 78G 93S 93Y 93P) 6 DVD-ROM/CD-RW Combo Drive (024\024\024\008) (models CTO 32S 32Y 32P 22S 22Y 22P D1S D1Y D1P D2S
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 142
    92Y 92P 93S 93Y 93P 79G) 12 Memory - 1GB PC2-4200 (533MHz) DDR2 SDRAM (models CTO) 13 Rear exhaust fan (all models) FRU# 39J6085 39J6086 all models) Power/LED cable assembly with bracket (all models) Chassis and cover assembly (all models) Cable, SATA HDD (all models) Ultra Bay Enhanced Cable
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 143
    8107 FRUs Vertical stand (all models) Rear air deflector (all models) Miscellaneous hardware kit (all models) Battery 3.0V (all models) Underdesk Mounting Kit (all models) Plastic parts kit (all models) Chassis Intrusion Switch-C2 Cable-Switch (models A1S, A1P A1Y A2S A2P A2Y B1S B1P B1Y B2S B2P B2Y
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 144
    models CTO-G) Polish (models CTO-G) Portuguese (models CTO-G) Romanian (models CTO-G) Romanian (models CTO-G) 138 Hardware Maintenance Manual FRU# 89P8328 89P8329 89P8330 89P8331 89P8332 89P8333 CRU Tier 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y 89P8334 1 Y 89P8336 1 Y 89P8337 1 Y 89P8338
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 145
    8107 Keyboards (Productivity USB) Russian/Cyrillic (models CTO-G) Serbian/Cyrillic (models CTO-G) Slovak (models CTO-G) Spanish (models CTO-G) Swedish/Finn (models CTO-G) Swiss French/German (models CTO-G) Thailand (models CTO-A) Turkish (models CTO-G) Turkish (models CTO-G) UK English (models CTO
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 146
    (models CTO-G) Polish (models CTO-G) Portuguese (models CTO-G) Romanian (models CTO-G) Russian/Cyrillic (models CTO-G) 140 Hardware Maintenance Manual FRU# 89P9029 89P9030 89P9031 89P9032 89P9033 89P9034 89P9035 89P9036 89P9037 89P9038 89P9039 CRU Tier 1 1 1 1 1 1 1 1 1 1 1 RoHS Compliant
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 147
    8107 Keyboards (Enhanced Performance w/ Hub USB keyboard) Serbian/Cyrillic (models CTO-G) Slovak (models CTO-G) Spanish (models CTO-G) Swedish/Finn (models CTO-G) Swiss French/German (models CTO-G) Thailand (models CTO-A) Turkish (models CTO-G) Turkish (models CTO-G) UK English (models CTO-G) US
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 148
    41A5051 41A5052 41A5053 41A5054 41A5080 41A5055 41A5056 41A5057 41A5058 41A5061 41A5062 41A5063 41A5064 CRU Tier 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 142 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 149
    8107 Keyboards (Perferred PRO fullsize keyboard PS/2) Romanian (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G) Russian/Cyrillic (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G) Serbian/Cyrillic (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G) Slovak (models CTO-G 71G 72G 73G 74G 75G 76G 77G
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 150
    Power Cord (ANZ) (models CTO-A) Power Cord (EMEA, ANZ, ASEAN Eng, Korea) (models CTO-E CTO-A 71G 72G 73G 74G 75G 77G 78G) Power 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 8107 Windows XP Pro Recovery CDs US/UK/AP/TH (models 71G 72G 73G Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 151
    8107 Windows XP Pro Recovery CDs IT (models 71G 72G 73G 74G 75G 76G CTO 77G 78G 79G) BR (models A1P A2P B1P B2P B3P 11P 12P
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 152
    , Flippable, PCI and PCIX/DVI Add card (models CTO) 2 Riser card and bracket assembly, Flippable, PCI and PCIX/DVI Add card (RoHS) (models 31V) 3 Power Supply (models B1G B2K B3K B4K 21S 21Y 21P 21A 21Q 21T 21B 21H 21V 22V 22K 23K 24K 25K 26A 26Q 26T 26B 26H 27K
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 153
    25K 26A 26Q 26T 26B 26H 27K) 4 Hard disk drive 160GB 7200rpm SATA (models CTO 28K 29K 2AK E1K) 4 Hard disk drive 160GB 7200rpm SATA (models CTO 28K 29K 2AK E1K 31V) 4 Hard disk drive 160GB 7200rpm SATA (models CTO 28K 29K 2AK E1K 31V) 4 Hard disk drive 160GB 7200rpm SATA (models CTO 28K 29K 2AK
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 154
    FRUs 6 Slim PATA RAMBO 5 drive (models CTO) 7 Main Bezel E1K 31V) 12 Memory - 1GB PC2-4200 (533MHz) DDR2 SDRAM (models CTO) 13 Rear exhaust fan (all models) 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 Y 2 N 2 Y 1 Y 1 Y 1 Y 1 Y 148 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 155
    all models) Power/LED cable assembly with bracket (all models) Chassis and cover assembly (all models) Cable, SATA HDD (all models) Ultra Bay Enhanced 26T 26B 26H 27K 28K 29K CTO 2AK E1K) Ultra Bay Enhanced Cable/Card Assembly (all models) Fan assembly, front (all models) Cable, intrusion switch (
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 156
    (models CTO-L) Bulgarian (models CTO-G) Chinese/US (models CTO-A) Czech (models CTO-G) Danish (models CTO-G) 150 Hardware Maintenance Manual FRU# 89P8312 89P8313 89P8314 89P8315 89P8316 89P8317 89P8318 89P8319 89P8321 89P8322 89P8323 89P8324 89P8325 89P8326 89P8327 89P8328 89P8329 89P8330 89P8331
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 157
    8108 Keyboards (Productivity USB) Dutch (models CTO-G) French (models CTO-G) French Canadian 445 (models CTO-U) French Canadian 58 (models CTO-U) German (models CTO-G) Greek (models CTO-G) Hebrew (models CTO-G) Hungarian (models CTO-G) Iceland (models CTO-G) Italian (models CTO-G) LA Spanish (models
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 158
    -L) Bulgarian (models CTO-L) Chinese/US (models CTO-A) Czech (models CTO-G) Danish (models CTO-G) Dutch (models CTO-G) 152 Hardware Maintenance Manual FRU# 89P9012 89P9013 89P9014 89P9015 89P9016 89P9017 89P9018 89P9021 89P9022 89P9023 89P9024 89P9025 89P9026 89P9027 89P9028 89P9029 89P9030 89P9031
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 159
    8108 Keyboards (Enhanced Performance w/ Hub USB keyboard) French (models CTO-G) French Canadian 445 (models CTO-U) French Canadian 58 (models CTO-U) German (models CTO-G) Greek (models CTO-G) Greek/US (models CTO-G) Hebrew (models CTO-G) Hungarian (models CTO-G) Iceland (models CTO-G) Italian (
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 160
    -G) Chinese/US (models 21B 21V 22V 26B CTO-A 31V) Czech (models B1G CTO-G) Danish (models B1G CTO-G) 154 Hardware Maintenance Manual FRU# 41A5260 41A5261 41A5262 41A5263 41A5264 41A5265 41A5266 41A5267 41A5270 41A5271 41A5272 41A5273 41A5274 41A5275 41A5276 41A5277 41A5278 41A5279 41A5280 41A5281
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 161
    8108 Keyboards (Preferred Pro Fullsize, PS/2) Dutch (models B1G CTO-G) French (models B1G CTO-G) French Canadian 445 (models CTO-U) French Canadian 58 (models CTO-U) German (models B1G CTO-G) Greek (models B1G CTO-G) Greek/US (models B1G CTO-G) Hebrew (models B1G CTO-G) Hungarian (models B1G CTO-G)
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 162
    8108 Power Cords Power Cord (models CTO B1G 21S 21P 21A 21T 21V 22V 26A 26T 26M) Power Cord (ANZ) (models 21A 26A CTO-A) Power Cord ( 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 8108 Windows XP Home Recovery CDs Korean (models B2K B3K B4K 22K 23K
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 163
    8108 Windows XP Pro Recovery CDs US/UK/AP/TH (models 21A 21Q 21H 21T 26A 26Q 26H 26T) BR (models 21P) SP/LA (models 21S 21Y)
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 164
    2 Riser card and bracket assembly, Flippable, PCI and PCIX/DVI Add card (RoHS) (models CTO 7AG 7BG) 3 Power Supply (all models) 3 Power Supply (models CTO 71G 72G 73G 74G 75G 76G 77G 7AG 7BG) 4 Hard disk drive, 40GB 7200rpm SATA (models CTO 71G 72G) 4 Hard disk drive, 40GB 7200rpm SATA (models
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 165
    80GB 7200rpm SATA (models CTO 73G 74G 75G 76G 77G 7AG 7BG) 4 Hard disk drive 80GB 7200rpm SATA (models CTO 73G 74G 75G 76G 77G) 4 Hard disk drive 160GB 7200rpm SATA (models CTO) 4 Hard disk drive 160GB 7200rpm SATA (models CTO) 5 Front Rotating Cage assembly (all models) 6 CD-ROM (24x) Plus
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 166
    Memory - 512MB PC2-4200 (533MHz) DDR2 SDRAM (models CTO 7AG 7BG) 12 Memory - 1GB PC2-4200 (533MHz) DDR2 SDRAM (models CTO) 13 Rear exhaust fan Power/LED cable assembly with bracket (all models) Chassis and cover assembly (all models) Cable, SATA HDD (all models) Ultra 160 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 167
    8109 FRUs Underdesk Mounting Kit (all models) Plastic parts kit (all models) 8109 Adapters and miscellaneous FRU PCI Modem Card (Soft), ATX V.90 (models CTO) Intel Pro Gigabit Enet / 1000T (Card) ATX (models CTO) IEEE 1394 Adapter - Firewire (models CTO) PCI-E DVI-D connection adapter (ADD2-R) (
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 168
    /Cyrillic (models CTO-G) Serbian/Cyrillic (models CTO-G) Slovak (models CTO-G) Spanish (models CTO-G) 162 Hardware Maintenance Manual FRU# 89P8333 CRU Tier 1 RoHS Compliant? Y 89P8334 1 Y 89P8336 1 Y 89P8337 1 Y 89P8338 1 Y 89P8339 1 Y 89P8304 1 Y FRU# 89P8800 89P8801 89P8802
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 169
    8109 Keyboard (Productivity USB) Swedish/Finn (models CTO-G) Swiss French/German (models CTO-G) Thailand (models CTO-A) Turkish (models CTO-G) Turkish (models CTO-G) UK English (models CTO-G) US Euro (models CTO-G) Yugoslav/Latin (models CTO-G) 8109 Keyboards (with fingerprint reader) US English (
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 170
    CTO-G) Serbian/Cyrillic (models CTO-G) Slovak (models CTO-G) Spanish (models CTO-G) Swedish/Finn (models CTO-G) 164 Hardware Maintenance Manual FRU# 89P9034 89P9035 89P9036 89P9037 89P9038 89P9039 CRU Tier 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y FRU# 41A4961 41A4962 41A4963 41A4964 41A4965
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 171
    8109 Keyboards (Enhanced Performance w/ Hub USB keyboard) Swiss French/German (models CTO-G) Thailand (models CTO-A) Turkish (models CTO-G) Turkish (models CTO-G) UK English (models CTO-G) US Euro (models CTO-G) Slovenian (models CTO-G) 8109 Keyboards (Fingerprint Keyboard) US English (models CTO)
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 172
    75G 76G 77G 7AG 7BG) Swedish/Finn (models CTO-G 71G 72G 73G 74G 75G 76G 77G 7AG 7BG) 166 Hardware Maintenance Manual FRU# 41A5283 41A5284 41A5285 41A5286 41A5287 41A5288 CRU Tier 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y FRU# 41A5039 41A5040 41A5041 41A5042 41A5043 41A5044 41A5045 41A5046 41A5047
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 173
    73G 74G 75G 76G 77G) FRU# 24P0383 24P0491 24P0499 41A4935 41U3013 89P5089 CRU Tier 1 1 1 1 RoHS Compliant? N N N Y 1 Y 1 N 8109 Power Cords Power Cord (models CTO-U CTO-L) Power Cord (ANZ) (models CTO-A) Power Cord (EMEA, ANZ, ASEAN Eng, Korea) (models CTO-E CTO-A 71G 72G 73G 74G 75G 76G 77G
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 174
    Power Cord (UK / Ireland /Singapore, Malaysia, Brunei) (all G and A models) FRU# 39M5212 39M5151 39M5246 39M5164 39M5129 39M5157 39M5171 39M5143 39M5004 39M5122 39M5150 CRU Tier 1 1 1 1 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y Y Y Y Y 1 Y 8109 Windows Y Y Y Y Y Y 168 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 175
    Machine Type 8118 13 1 2 3 4 5 6 7 9 8 10 12 11 Item # 8118 FRUs 1 Top Cover (all models) 2 Riser card and bracket assembly card and bracket assembly, Flippable, PCI and PCIX/DVI Add card (RoHS) (models CTO B3J B4J B5J B6J B7J B8J 31J 32J 33J 34J 35J 36J 37J 38G) 3 Power Supply (models
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 176
    D2J D3J D4E D4J D5J D6J D7J D8J D9J E2J E3J E4J E5J) 4 Hard disk drive 80GB 7200rpm SATA (models 41G 42A 42Q 42T 43C 44Q 45Q CTO 46C 47C Compliant? N Y Y N 1 Y 1 Y 1 Y 1 N 1 Y 1 Y 1 Y 1 Y 2 Y 1 N 1 Y 1 N 1 N 1 Y 1 Y 1 N 1 Y 1 Y 170 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 177
    \024\024\008) (models CTO 51C E1CA A5J A6J A7J A8J D6J D7J D8J D9J B5J B6J 32J 35J) 6 DVD-ROM/CD-RW Combo Drive (024\024\024\008) (models CTO 51C E1CA A5J A6J A7J A8J D6J D7J D8J D9J B5J B6J 32J 35J) 6 Multi-Burner Plus (Rambo 4) Ultrabay
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 178
    33J 34J 35J 37J 38G) 12 Memory - 1GB PC2-4200 (533MHz) DDR2 SDRAM (models CTO F1C 36J) 13 Rear exhaust fan (all models) FRU# 41T1121 30R5120 Power/LED cable assembly with bracket (all models) Chassis and cover assembly (all models) Cable, SATA HDD (all models) Ultra Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 179
    8118 Adapters and miscellaneous FRU PCI-E DVI-D connection adapter (ADD2-R) (models CTO) FRU# 19R2374 CRU Tier 1 RoHS Compliant? N 8118 Keyboards (Preferred Pro Fullsize, Black) US English/China (models B1G 41G 42A 42Q 44Q 45Q CTO B2G F2G D2E 38G) Arabic (models B1G 41G CTO-G B2G F2G 38G)
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 180
    /Finn (models CTO-G) Swiss French/German (models CTO-G) Thailand (models CTO-A) Turkish (models CTO-G) Turkish (models CTO-G) 174 Hardware Maintenance Manual FRU# 89P8339 89P8304 CRU Tier 1 1 RoHS Compliant? Y Y FRU# 89P8800 89P8801 89P8802 89P8803 89P8804 89P8805 89P8806 89P8807 89P8808 89P8809
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 181
    8118 Keyboards (Productivity USB) UK English (models CTO-G) US Euro (models CTO-G) Yugoslav/Latin (models CTO-G) FRU# 89P8837 89P8838 89P8839 CRU Tier 1 1 1 RoHS Compliant? Y Y Y 8118 Keyboards (with fingerprint reader) US English (models CTO D4E) Arabic (models CTO-G) Belgian/French (models CTO
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 182
    /Finn (models CTO-G) Swiss French/German (models CTO-G) Thailand (models CTO-A) Turkish (models CTO-G) Turkish (models CTO-G) 176 Hardware Maintenance Manual FRU# 89P9038 89P9039 CRU Tier 1 1 RoHS Compliant? Y Y FRU# 41A4961 41A4962 41A4963 41A4964 41A4965 41A4966 41A4967 41A4968 41A4969 41A4970
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 183
    8118 Keyboards (Enhanced Performance w/ Hub USB keyboard) UK English (models CTO-G) US Euro (models CTO-G) Slovenian (models CTO-G) FRU# 41A4997 41A4998 41A4999 CRU Tier 1 1 1 RoHS Compliant? Y Y Y 8118 Keyboards (Fingerprint Keyboard) US English (models CTO) Arabic/French (models CTO-G) Belgian
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 184
    41A5063 41A5064 41A5065 41A5066 41A5067 41A5068 41A5069 41A5070 41A5071 41A5072 CRU Tier 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 1 Y 178 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 185
    (EMEA, ANZ, ASEAN Eng) (models B1G 41G 42A 42Q 44Q 45Q CTO-E CTO-A) Power Cord (EMEA) (models B1G 41G CTO-E) Power Cord US (all U, F, T, S, D, L, and A models) Power Cord (China) (all C models) Power Cord (Japan) (all J models) FRU# 6952301 13F9939 13F9978 14F0032 13F9996 14F0068 36L8879 02K0545
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 186
    Power Cord (UK / Ireland /Singapore, Malaysia, Brunei) (all G and A models) FRU# 39M5232 39M5067 39M5102 39M5212 39M5151 39M5246 39M5164 39M5129 39M5157 39M5171 39M5143 39M5004 39M5122 39M5150 CRU Tier 1 1 1 1 1 1 1 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y Y Y Y Y Y Y Y 1 Y 8118 Windows Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 187
    8118 Windows XP Pro Recovery CDs GK (models B1G 41G B2G F2G 38G) SL (models B1G 41G B2G F2G 38G) Japanese (models A1J A2J A3J A4J A5J
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 188
    ) 2 Riser card and bracket assembly, Flippable, PCI and PCIX/DVI Add card (RoHS) (models CTO) 3 Power Supply (models CTO) 3 Power Supply, 225W (models CTO) 4 Hard disk drive, 40GB 7200rpm SATA (models CTO) 4 Hard disk drive, 40GB 7200rpm SATA (models CTO) 4 Hard disk drive, 40GB 7200rpm SATA
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 189
    8121 FRUs 4 Hard disk drive 80GB 7200rpm SATA (models CTO) 4 Hard disk drive 80GB 7200rpm SATA (models CTO) 4 Hard disk drive 160GB 7200rpm SATA (models CTO) 4 Hard disk drive 160GB 7200rpm SATA (models CTO) 4 Hard disk drive 160GB 7200rpm SATA (models CTO) 4 Hard disk drive 160GB 7200rpm SATA
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 190
    Y The FRUs listed in the following table are not illustrated. 8121 FRUs Bezel, Ultra-Bay-Enhanced (all models) HSS Tray assembly (includes grommet/pins/brkt/ground springs) (all models) Power/LED cable assembly with bracket (all models) Chassis and cover assembly (all models) Cable, SATA HDD (all
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 191
    8121 FRUs Fan assembly, front (all models) Cable, intrusion switch (all models) Vertical stand (all models) Rear air deflector (all models) Miscellaneous hardware kit (all models) Battery 3.0V (
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 192
    Romanian (models CTO-G) Romanian (models CTO-G) Russian/Cyrillic (models CTO-G) Serbian/Cyrillic (models CTO-G) 186 Hardware Maintenance Manual FRU# 89P8330 89P8331 89P8332 89P8333 89P8335 89P8336 89P8337 89P8338 89P8339 CRU Tier 1 1 1 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y Y Y Y FRU# 89P8800
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 193
    8121 USB Productivity keyboards Slovak (models CTO-G) Spanish (models CTO-G) Swedish/Finn (models CTO-G) Swiss French/German (models CTO-G) Thailand (models CTO-A) Turkish (models CTO-G) Turkish (models CTO-G) UK English (models CTO-G) US Euro (models CTO-G) Yugoslav/Latin (models CTO-G) 8121
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 194
    -G) Romanian (models CTO-G) Russian/Cy (models CTO-G) Serbian/Cyrillic (models CTO-G) Slovak (models CTO-G) 188 Hardware Maintenance Manual FRU# 89P9032 89P9033 89P9034 89P9035 89P9036 89P9037 89P9038 89P9039 CRU Tier 1 1 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y Y Y FRU# 89P8530 89P8531 89P8548
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 195
    8121 Keyboards (Preferred Pro Fullsize w/ palmrest USB) Spanish (models CTO-G) Swedish/Finn (models CTO-G) Swiss French/German (models CTO-G) Turkish 440 (models CTO-G) Turkish 179 (models CTO-G) UK English (models CTO-G) US Euro (models CTO-G) Yugoslav/Latin (models CTO-G) 8121 Keyboards (Preferred
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 196
    -G) Russian/Cyrillic (models CTO-G) Serbian/Cyrillic (models CTO-G) Slovak (models CTO-G) Spanish (models CTO-G) 190 Hardware Maintenance Manual FRU# 41A5321 41A5322 41A5325 41A5326 41A5327 41A5328 41A5329 CRU Tier 1 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y Y FRU# 41A4961 41A4962 41A4963 41A4964
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 197
    8121 Keyboards (Enhanced Performance w/ Hub USB keyboard) Swedish/Finn (models CTO-G) Swiss French/German (models CTO-G) Thailand (models CTO-A) Turkish (models CTO-G) Turkish (models CTO-G) UK English (models CTO-G) US Euro (models CTO-G) Slovenian (models CTO-G) 8121 Keyboards (Fingerprint
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 198
    CTO-G) Russian/Cy (models CTO-G) Serbian/Cyrillic (models CTO-G) Slovak (models CTO-G) Spanish (models CTO-G) 192 Hardware Maintenance Manual FRU# 41A5282 41A5283 41A5284 41A5285 41A5286 41A5287 41A5288 CRU Tier 1 1 1 1 1 1 1 RoHS Compliant? Y Y Y Y Y Y Y FRU# 41A5039 41A5040 41A5041 41A5042
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 199
    CTO) IEEE 1394 Adapter - Firewire (models CTO) PCI-E DVI-D connection adapter (ADD2-R) (models CTO) 8121 Power Cords Power Cord (models CTO) Power Cord (ANZ) (models CTO-A) Power Cord (EMEA, ANZ, ASEAN Eng, Korea) (models CTO-E CTO-A) Power Cord (EMEA, ANZ, ASEAN Eng, HK Eng) (models CTO-E CTO
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 200
    Power Cord (Hong Kong) (all B and H models) Power Cord (Taiwan) (all V models) Power Cord (Italy) (all G models) Power Cord (Denmark) (all G models) Power Cord (Switzerland) (all G models) Power Cord (Israel) (all G models) Power Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y 1 Y 194 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 201
    to a power-on password 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, 2006. Portions © IBM
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 202
    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. 196 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 203
    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 4. Insert the BIOS flash diskette in the diskette drive. 5. Close the cover and reconnect the computer power cord to the
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 204
    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 PCI Wake Up: This feature allows PCI cards that support this capability to wake the system. v Wake Up
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 205
    Windows operating system and is hidden from the Windows in the Windows environment. The hard disk periodically. v Create a Recovery Repair diskette. If a problem with the software is encountered, you can use the recovery tools from either the Windows not displayed until you type the password. 3.
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 206
    200 Hardware Maintenance Manual
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 207
    the operation of any other product, program, or service. Lenovo may have patents or pending patent applications covering Lenovo product specifications or warranties. Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 208
    United States, other countries, or both: Lenovo and the Lenovo logo 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
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 209
  • Lenovo ThinkCentre A51 | Hardware Maintenance Manual - Page 210
    Part Number: 39J8120 Printed in USA (1P) P/N: 39J8120
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
Hardware Maintenance Manual
Types 8104, 8105, 8106, 8107
Types 8108, 8109, 8118, 8121