Lenovo ThinkPad 380E HMM ThinkPad 380XD,385XD (May 1998)
Lenovo ThinkPad 380E Manual
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- Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 1
IBM Mobile Systems S10L-9623-00 ThinkPad 380XD (2635) ThinkPad 385XD (2635) Hardware Maintenance Manual May 1998 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 2
- Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 3
IBM Mobile Systems S10L-9623-00 ThinkPad 380XD (2635) ThinkPad 385XD (2635) Hardware Maintenance Manual May 1998 IBM - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 4
described in this publication at any time. It is possible that this publication may contain references to, or information about, IBM products (machines and programs), programming, or services that are not announced in your country. Such references or information must not be construed to mean that - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 5
product-specific parts information. Important This manual is intended for trained servicers who are familiar with ThinkPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing an IBM ThinkPad product, be sure to review the safety - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 6
HMM Volume 3: ThinkPad Computers (Models 365, 380, 385, 560, 760, SelectaDock) Mobile Systems HMM Volume 4: ThinkPad Computers (Models 380, 385, 560, 760, 765) Part, Form Number 30H2356, S82G-1501-01 30H2357, S82G-1502-03 84H8099, S82G-1503-05 05L1271, S05L-1270-01 iv IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 7
are available through IBM or your IBM Authorized Dealer. Diskette ThinkPad 300 (2615) Advanced Diagnostics Diskette ThinkPad 350, 350C, 425, 425C (2618) Advanced Diagnostics Diskette ThinkPad 365 (2625) Advanced Diagnostics Diskette ThinkPad 380/385 (2635) Maintenance Diskette ThinkPad 500 (2603 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 8
vi IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 9
IBM ThinkPad 380XD, 385XD (2635) Introduction 3 How to Use Error Messages 4 How to Read POST Error Messages 4 Safety Notices (Multi-lingual Translations) . . . . . 5 Safety Information 12 General Safety 12 Electrical Safety 13 Safety Inspection Guide 14 Handling Electrostatic Discharge- - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 10
59 FRU Service Procedure 60 Removal Reference 61 1010 DIMM Card and Backup Battery . . . . . 62 1020 Battery Pack 63 1030 Hard Disk Drive 64 1040 Keyboard Unit 66 1050 Keyboard and Speaker 69 1060 CD-ROM Drive and Diskette Drive Assembly 71 1070 Diskette Drive and CD-ROM Drive . . . . 72 1080 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 11
service expense: If you are instructed to replace a FRU and that does not correct the problem service is complete. The advanced diagnostic tests are intended to test only IBM products. Non-IBM products or modified options can give false errors and invalid responses. IBM ThinkPad 380XD, 385XD (2635 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 12
try to run a low-level format before replacing a hard disk drive. Attention The drive startup sequence in the computer you are servicing might have been changed. Be extremely careful during write operations error message is coming from an internal or an external device. 4 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 13
inside the computer. Verify this by shaking the computer and listening for rattling sounds. Metallic parts or metal flakes can cause electrical shorts. Avant de remettre l'ordinateur sous tension après piezas metálicas pueden causar cortocircuitos eléctricos. IBM ThinkPad 380XD, 385XD (2635) 5 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 14
battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery. Certaines batteries apropiada puede provocar la ignición o explosión de la misma. 6 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 15
. Use only the battery in the appropriate parts listing when replacing the battery pack. Use of an incorrect battery can result in ignition or explosion of the battery. La batterie contient du nickel. Ne apropiada puede provocar la ignición o explosión de la misma. IBM ThinkPad 380XD, 385XD (2635) 7 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 16
remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts la normativa local. 8 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 17
, lave inmediatamente las áreas afectadas con agua durante 15 minutos como mínimo. Obtenga atención medica si se presenta algún síntoma del fluido despues de lavarse. IBM ThinkPad 380XD, 385XD (2635) 9 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 18
To avoid shock, do not remove the plastic cover that surrounds the stico que rodea la parte baja de la tarjeta invertida. Safety Notice 7 Though main batteries have low voltage, a shorted or grounded battery can produce enough current provocar quemaduras en el personal. 10 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 19
FRU, power-off the computer, unplug all power cords from electrical outlets, remove the battery pack, then disconnect any interconnecting cables. Avant de retirer une unité la batería y, a continuación, desconecte cualquier cable de conexión entre dispositivos. IBM ThinkPad 380XD, 385XD (2635) 11 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 20
servicing an IBM leg muscles; this action removes the strain from the muscles service representatives and the customer's personnel are not in a hazardous position. Place removed covers and other parts in a safe place, away from all personnel, while you are servicing eyes. After service, reinstall all - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 21
discharges. Do not use this type of mat to protect yourself from - Working near power supplies - Removing or installing main units Before you start instructions are in the safety sections of maintenance information. Use extreme care when measuring high voltages. IBM ThinkPad 380XD, 385XD (2635 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 22
service the following parts with the power on when they are removed IBM features or options not covered by this inspection guide . If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 23
The guide consists of a series of steps be the appropriate type as specified in the parts listings. c. Insulation must not be frayed or worn. 4. Remove the cover. 5. Check for any obvious non-IBM alterations. Use or rivets) have not been removed or tampered with. IBM ThinkPad 380XD, 385XD (2635) 15 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 24
static on your body. Prevent the part from touching your clothing. Most clothing free work surface. The mat is especially useful when handling ESD-sensitive devices. Select a grounding system, such as those listed below, to provide protection that meets the specific service IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 25
of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. Elsewhere, the drive is certified to conform regolazioni o l'esecuzione di procedure diverse da quelle specificate possono provocare l'esposizione a IBM ThinkPad 380XD, 385XD (2635) 17 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 26
peligrosas. Opening the CD-ROM drive could result in exposure to hazardous laser radiation. There are no serviceable parts inside the CD-ROM drive. Do not open. Some CD-ROM drives contain an embedded Class 3A or óptico el haz de luz. Evite la exposición directa al haz. 18 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 27
FRUs: When the adapter or device has more than one FRU, the error code could be caused by either FRU. Before replacing multiple FRUs, try removing or exchanging each FRU, one by one in the designated sequence, to see if the symptoms change. IBM ThinkPad 380XD, 385XD (2635) 19 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 28
and page number in which the failing FRU was detected 7. Failing FRU name and the part number 8. Machine type, model number, and serial number 9. Customer's name and address Before checking problems with the computer, determine whether the damage is covered under the warranty by referring to the - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 29
parts may be a symptom of unauthorized service loosen the memory-slot cover screw 1 , and remove the memory-slot memory-slot cover, and turn the computer right side up. Verify that the password prompt does not appear. To reactivate the password, set the password again. IBM ThinkPad 380XD, 385XD (2635 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 30
remove the memory-slot cover 2 . 3. Short the two password jumper pads on the system board (see 3 of the previous page). 4. Turn on the computer. After a few seconds, the password prompt appears. 5. Enter the supervisor password. The "Easy-setup is in a hung state. 22 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 31
Overview The following table is an overview of the system features of the IBM ThinkPad 380XD or 385XD computer. Feature Processor Bus Architecture Memory (Standard) Memory (Option) CMOS RAM LCD Diskette Drive (Internal) Description 380XD 385XD 2635-8xx/9xx/Bxx Intel® Pentium® 233 MHz with MMX - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 32
Port replicator Audio 16-bit audio Internal speakers Internal microphone Mechanical volume Infrared Transfer IrDA 1.1 PC Card One Type III or two Type I / Type II CardBus support ZV card support AC Adapter 56Watt type Note: 1: High Performance Addressing 24 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 33
Use the following procedure as a guide for computer problems. The diagnostic tests are intended to test only IBM products. Non-IBM products, prototype cards, or modified options can give false errors and " on page 38, and then go to "Other Symptoms" on page 47. IBM ThinkPad 380XD, 385XD (2635) 25 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 34
next step. 8. If the drive is attached through a port replicator, go to the service manual of the port replicator to isolate the problem. 9. If no error occurs when you test the formatted diskette, suspect the diskette that the customer used when reporting the problem. 26 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 35
screen. 5. Click on Exit. 6. Click on System Board then press Enter to run the test. Follow the instructions that appear on the screen. If the test detects a fan problem, replace it. Keyboard or Auxiliary Input Device Checkout Remove any external keyboard before testing the built-in keyboard. If the - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 36
on page 50 for more information. Flash Memory Update: System setup programs and diagnostic tests are stored in the flash memory. A flash memory update is required when: A new version of the system program is installed. A new features or options is added to the computer. 28 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 37
Service diskette into drive A, and turn on the computer with ac power or a fully charged battery. 3. Select Update system programs from the menu. Power Systems Checkout To determine whether a power systems problem is due to the AC Adapter or the battery, do the following: 1. Remove the battery - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 38
the battery. If the voltage is still less than +11.0 V dc after recharging, replace the battery. Note: The voltage of the battery could show 0 V because of the overdischarge protection circuit. Try to trickle charge the battery by attaching it to the computer with the AC adapter. 30 IBM ThinkPad - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 39
the computer. 2. Open the Memory-slot cover. 3. Remove the backup battery. (Refer to "1010 DIMM Card and Backup Battery" on page 62 to remove the battery.) 4. Measure the voltage of the backup battery connector. Wire Red Black Voltage (V dc) +2.5 to +3.7 Ground IBM ThinkPad 380XD, 385XD (2635) 31 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 40
the system board. If the voltage is not correct, the backup battery has been discharged. Replace the backup battery. If the backup battery discharges quickly after replacement, replace the system board. Status Indicator Checkout If an LED problem occurs, do the following: 1. Turn off the computer - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 41
a problem with the port replicator of the system expansion bus. 8. Turn off the computer and reconnect the port replicator. 9. Turn on the computer and run the following advanced diagnostic tests: Serial port test with the wrap plug installed on the replicator IBM ThinkPad 380XD, 385XD (2635) 33 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 42
with the type of monitor. It can be either at the top and/or bottom, or left and/or right of the screen. If you do not see a test margin on the screen, replace the monitor. If there is a test margin on the screen, replace the system board. 34 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 43
The duration of inactivity is specified in Suspend Timer of the ThinkPad Configration program. The battery power is low and the orange battery power indicator blinks. Either the PS2 OFF or the PS2 SUSpend command is set in the ThinkPad Configration program. IBM ThinkPad 380XD, 385XD (2635) 35 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 44
condition is satisfied. Hibernation Mode: In hibernation mode, the following occurs: The system status, RAM, VRAM, and setup data are stored on the hard disk. The computer is powered off. Notes: The computer cannot enter hibernation mode if it is being powered by ac power and a communication PC Card - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 45
the allowed power, a power shutdown occurs. Isolate this problem to a device by removing each device simultaneously and then using the computer under the same condition as when the power shutdown occurred. This will determine which device is causing the overload. IBM ThinkPad 380XD, 385XD (2635) 37 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 46
part back in the computer. Do not replace a nondefective FRU. This index can also help you determine the next possible FRUs to be replaced when servicing "Undetermined Problems" on page 48. Note: For IBM devices not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 47
then set the time and date. 2. Backup battery 3. System board 1. Check device configuration. 2. Hard disk drive 3. System board System board Have the user examine the password. Reset the power-on password in Easy-Setup. Reset the start-up sequence in Easy-Setup. IBM ThinkPad 380XD, 385XD (2635) 39 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 48
was changed. For example, check if the DIMM is added. 1. Run the hard disk drive test. 2. Hard disk drive System board System board 1. Check if a supported DIMM is installed. 2. DIMM Card 3. System board 1. Go to "Memory Checkout" on page 28. 2. DIMM 3. System board 1. Go to "Keyboard or Auxiliary - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 49
3. System board 1. Serial device 2. Communication cable 3. System board 1. System board (infrared) 1. Hard disk drive 2. System board System board 1. PC Card slot assembly 2. PCMCIA device 3. System board 1. External mouse 2. External keyboard 3. System board IBM ThinkPad 380XD, 385XD (2635) 41 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 50
is installed in the hard disk drive. If not, install the operating system. 2. Reseat the boot device. 3. Check the start-up sequence for the correct boot device. 4. Check that the operating system boots correctly. System board Go to "Undetermined Problems" on page 48. 42 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 51
to "Power Systems Checkout" on page 29. 2. DC/DC card 3. System board 4. CPU Card 5. Check the power outlet 1. DC/DC card 2. System board 3. CPU Card 1. DC/DC card 2. CPU Card 3. System board 1. Turn the volume up and check the speaker. 2. Speaker 3. System board IBM ThinkPad 380XD, 385XD (2635) 43 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 52
The battery power status indicator blinks from green, yellow, to orange. 1. Check that a correct battery is installed. 2. Battery pack 3. DC/DC card 4. System board The battery indicator does not turn on when the battery is installed. 1. DC/DC card 2. Battery pack 3. System board 44 IBM ThinkPad - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 53
to communicate using the Infrared (IR) Port. 1. Make sure the setup for the IR is correct. Use the ThinkPad Configurations utility. 2. Make sure there are no fluorescent lights near the or does not work correctly. See "TrackPoint III Checkout" on page 32. IBM ThinkPad 380XD, 385XD (2635) 45 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 54
or vertical lines displayed. FRU / Action in Sequence 1. Reseat the CPU Card 2. DC/DC card 3. System board 1. Reseat the LCD connectors problems. 1. Run printer self-test. 2. Parallel port wrap test. 3. System board 4. Printer cable (See the printer manual for the above tests.) 46 IBM ThinkPad - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 55
should be considered only when a recurring problem exists. When analyzing the intermittent problem, do the following: 1. Run the advanced diagnostic test for the system board in loop mode at least 10 times. 2. If no error is detected, do not replace any FRUs. IBM ThinkPad 380XD, 385XD (2635) 47 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 56
check them for damages. If any problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: a. Non-IBM devices b. Devices attached to the port replicator c. Printer, mouse, and other external devices d. Battery pack e. Hard disk drive f. CD-ROM and FDD g. DIMM h. PC - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 57
Connector wrap plug USB parallel test cable Part Number 35G4703 72X8546 05K2580 Use either TrackPoint III or the cursor move keys to interact with the tests. The Enter key works in the same way as press the Ctrl+Break keys. The Advanced Diagnostics menu appears. IBM ThinkPad 380XD, 385XD (2635) 49 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 58
Click on the USB icon to run the test. Follow the instructions on the screen. OK appears if the test passes and three The error is also logged in the system memory. Use the following procedures to display the errors: 1. Enter the advanced diagnostic test. 2. Press Ctrl+E. IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 59
in the configuration, such as an FDD-1. 2. If the problem persists, replace the system board. The Parallel, and Serial icons drive in the system configuration for each type of device. The FDD-2 icon represents the second drive, attached through a port replicator. IBM ThinkPad 380XD, 385XD (2635 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 60
. If replacing a FRU does not correct the problem, see the device ID or error code from Memory Display 050 Display 054 017 Hard disk drive 006 Built-in FDD 066 1. External diskette drive 2. FDD connector of the port replicator 080 1. PC card slot connector 2. PC Card 52 IBM ThinkPad - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 61
are filled with zeros. See the reference page before replacing the FRU. FRU Code 10 11 12 20 30 32 33 34 FRU System board CPU Card DC/DC card Memory (see "Memory Checkout" on page 28) Reserved External keyboard External mouse AC Adapter IBM ThinkPad 380XD, 385XD (2635) 53 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 62
in the battery bay Fan LCD unit External monitor 1. Reseat the diskette drive (FDD-1). 2. Reseat the external FDD cable on the video card. 3. Diskette drive (FDD-1) 1. Reseat the diskette drive (FDD-2). 2. Diskette drive (FDD-2) 1. Reseat the hard disk drive (HDD). 2. Hard disk drive (HDD) PCMCIA - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 63
" on page 56 "Running a Low-Level Format" on page 57 "Maintenance Diskette Download" on page 57 "Fn Key Combinations" on page 57 Status Indicators The status indicators show the current computer status in different colors (green and orange): 1 2 345 6 7 IBM ThinkPad 380XD, 385XD (2635) 55 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 64
used as screen-scroll function keys. Suspend mode Entering suspend mode or hibernation mode, or reusing normal operation. Power on Password Combinations The Model 380XD or 385XD supports the following passwords: Power-on password (POP) Hard disk password (HDP) Supervisor password (PAP) The password - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 65
hard disk from the main menu. 4. Select the drive from the menu. 5. Follow the instructions on the screen. Maintenance Diskette Download You cannot get the maintenance diskette from the parts center, but you can download from the IBM ) Hibernation invocation IBM ThinkPad 380XD, 385XD (2635) 57 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 66
only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery. Safety Notice 8: Translation on page 11 Before removing any FRU, discharge (ESD) strap (P/N 6405959) to establish personal grounding. 58 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 67
the screw head touches the surface of the plastic part: Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card: Torque driver If you have a torque driver, refer to the "Torque" instructions with each step. IBM ThinkPad 380XD, 385XD (2635) 59 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 68
FRU Service Procedure Review the following procedures before replacing any FRUs. Replacing the System board, restore the system unit serial number using the Set system identification utility in the ThinkPad hardware maintenance diskette. The serial number label is attached to the computer. Note: Do - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 69
1140 2010 2020 2030 2040 2050 FRU DIMM Card and Backup Battery Battery Pack Hard Disk Drive Keyboard Unit Keyboard and Speaker CD-ROM Drive and Diskette Drive Assembly Diskette Drive and Diskette Drive Assembly LCD Unit Fan Assembly, CPU Card, and Thermal Rubber Upper Shield Case Box Speaker and - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 70
installing: When installing a new backup battery, place it where the old one was on the printed circuit board (system board) with double-sided adhesive tape. Step Size (Quantity) Torque 2 - 3-4 kgcm Note: You can loosen the screw in step 2 , but cannot remove it. 62 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 71
1020 Battery Pack 1 Turn the computer upside down. Pull up the battery pack lock 2 , push it back 3 , and then pull up the battery pack 4 . 3 2 4 IBM ThinkPad 380XD, 385XD (2635) 63 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 72
damage and permanent loss of data on the hard disk. Before removing the hard disk drive, have the user make a backup copy of all the information on the hard disk. Never remove the hard disk drive while the system is operating or is in suspend mode. Battery Pack (1020) 64 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 73
the correct screw, and tighten all screws firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 65 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 74
firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. 3 Make sure that the battery pack lock is not sticking out, and turn the computer right side up. 66 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 75
Note: In order not to damage the connectors, pull the keyboard assembly toward you a little in step 7 , and then go to step 8 . IBM ThinkPad 380XD, 385XD (2635) 67 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 76
When installing See the following figure for the direction of the speaker connector: When replacing Apply a model name label on the keyboard. 68 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 77
1050 Keyboard and Speaker Battery Pack (1020) Keyboard Unit (1040) Important: When you release latch B, be careful not to apply any force to area A (lenses for status indicators). IBM ThinkPad 380XD, 385XD (2635) 69 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 78
When installing The following figure shows the route for the speaker cables. 70 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 79
ROM Drive and Diskette Drive Assembly Battery Pack (1020) Keyboard Unit (1040) Note: Be careful that the computer does not fall backward when you remove the CD-ROM and diskette drive assembly you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 71 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 80
1070 Diskette Drive and CD-ROM Drive Battery Pack (1020) Keyboard Unit (1040) CD-ROM and Diskette Drive Assembly (1060) Note: When replacing, be sure to firmly tighten the pink and yellow screws. Diskette Drive 1 72 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 81
the correct screw, and tighten all screws firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 73 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 82
the correct screw, and tighten all screws firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. 74 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 83
the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. 10X - 24X CD-ROM ( a screw that you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 75 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 84
the correct screw, and tighten all screws firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. 76 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 85
the correct screw, and tighten all screws firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 77 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 86
* When removing the LCD, be careful not to damage the latches. Step Size (Quantity) Torque 8 M 2.5 x 6 mm, nylon-coated shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. 78 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 87
CPU Card, Thermal Rubber Battery Pack (1020) Keyboard Unit (1040) CD-ROM and Diskette Drive Assembly (1060) LCD Unit (1080) Attention: When removing, be careful not to damage the CPU card that you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 79 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 88
2635-8xx/9xx/Axx/Bxx 2635-Dxx/Exx/Fxx 80 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 89
the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. When installing are fitted firmly by pressing the corners of the card. 2635-8xx/9xx/Axx/Bxx 2635-Dxx/Exx/Fxx A loose connection or a damaged card causes - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 90
1100 Upper Shield Case Battery Pack (1020) Keyboard Unit (1040) CD-ROM/Diskette Drive Assembly (1060) LCD Unit (1080) Step Size (Quantity) Torque 2 M 2.5 x 8 mm, nylon-coated (2) 3-4 kgcm that you removed. Use a new one. Make sure the screws are tightened firmly. 82 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 91
1110 Box Speaker and Microphone Battery Pack (1020) Keyboard Unit (1040) CD-ROM and Diskette Drive Assembly (1060) LCD Unit (1080) Upper Shield Case (1100) Step Size ( . Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 83 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 92
When installing The following figure shows the route for the microphone and speaker cables: 84 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 93
1120 DC/DC Card Battery Pack (1020) Keyboard Unit (1040) CD-ROM and Diskette Drive Assembly (1060) LCD Unit (1080) Upper Shield Case (1100) have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 85 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 94
When installing The following figure shows the route for the microphone cable: 86 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 95
board assembly from the bottom. Battery Pack (1020) Keyboard Unit (1040) CD-ROM and Diskette Drive Assembly (1060) LCD Unit (1080) Fan Assembly/CPU Card (1090) Upper Shield Case a screw that you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 87 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 96
the correct screw, and tighten all screws firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. 88 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 97
the correct screw, and tighten all screws firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 89 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 98
1140 Battery Pack Latch Battery Pack (1020) Keyboard Unit (1040) CD-ROM and Diskette Drive Assembly (1060) LCD Unit (1080) Fan Assembly/CPU Card (1090) Upper Shield Case (1100) System Board and PC Card Slot (1130) 90 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 99
) Battery Pack (1020) Keyboard Unit (1040) LCD Unit (1080) 1 2 3 : LCD Front Cover 4 : Control Knob Notes: 1. The LCD front cover has several latches. Release the latches as shown in the figure in step 3 . 2. When replacing the control knob in step 4 , make sure that it works correctly. IBM ThinkPad - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 100
the correct screw, and tighten all screws firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. 92 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 101
LCD identification You can distinguish between HPA LCD, TFT LCD type 1, and TFT LCD type 2 by the label on the LCD cable: HPA LCD: 05K9309 or 05K9320 TFT LCD Type 1: 05K9312 or 05K9322 TFT LCD Type 2: 05K9311 or 05K9321 HPA LCD Panel (Labeled 05K9309 or 05K9320) IBM ThinkPad 380XD, 385XD (2635) 93 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 102
the correct screw, and tighten all screws firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. 94 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 103
. The labels are said as follows. HPA LCD: 05K9309 or 05K9320 TFT LCD Type 1: 05K9312 or 05K9322 TFT LCD Type 2: 05K9311 or 05K9321 Step Size (Quantity) Torque 1 M 2.5 x 6 mm screw that you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 95 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 104
Type 1 (Labeled 05K9312 or 05K9322) Type 2 (Labeled 05K9311 or 05K9321) 96 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 105
2030 LCD Inverter Card Memory-slot Cover (DIMM Card) (1010) Battery Pack (1020) Keyboard Unit (1040) CD-ROM/Diskette Drive Assembly (1060) LCD Unit (1080) LCD Front Cover (2010) LCD screw that you removed. Use a new one. Make sure the screws are tightened firmly. IBM ThinkPad 380XD, 385XD (2635) 97 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 106
the correct screw, and tighten all screws firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. 98 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 107
. Parts Memory-slot Cover (DIMM Card) (1010) Battery Pack (1020) Keyboard Unit (1040) CD-ROM/Diskette Drive Assembly (1060) LCD Unit (1080) LCD Front Cover (2010) LCD Panel (2020) LCD Inverter Card (2030) Hinges/Latches HPA LCD 1 2 3 : Hinges 4 5 : Latches 2 3 3 2 IBM ThinkPad 380XD, 385XD (2635 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 108
. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. When replacing: When replacing the hinge covers removed in step 5 , attach them to the shield sheet with double-sided adhesive tape as the old ones had been attached. 100 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 109
TFT type 1 LCD. For the type 2, removed. Use a new one. Make sure the screws are tightened firmly. When replacing: When replacing the hinge covers removed in step 5 , attach them to the shield sheet with double-sided adhesive tape as the old ones had been attached. IBM ThinkPad 380XD, 385XD (2635 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 110
When replacing: Replace the LCD miscellaneous parts as follows: 102 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 111
2050 LCD Cable IBM ThinkPad 380XD, 385XD (2635) 103 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 112
button 7 Diskette drive 8 CD-ROM emergency eject hole 9 CD-ROM eject button 1 CD-ROM in-use indicator 11 CD-ROM drive 12 Stereo speakers 13 Palm rest 14 TrackPoint III 15 Fn key 16 Keyboard 17 Speaker (Box speaker:subwoofer) 18 Indicator panel 19 Built-in microphone 104 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 113
Bottom View 1 Memory-slot cover 2 Power shutdown switch 3 Memory slot 4 Expansion connectors 5 Battery pack lock 6 Battery pack 7 Serial number label IBM ThinkPad 380XD, 385XD (2635) 105 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 114
Rear View 1 Hard disk drive 2 Security keyhole 3 PC Card eject buttons 4 PC Card slots 5 Volume control 6 Microphone jack/Line-in jack 7 Headphone connector 14 External-monitor connector 15 Connector cover 16 External suspend mode indicator 17 External battery indicator 106 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 115
Parts Listing Note: FRU number 8 is available only on the 2635-Dxx/Exx/Fxx. IBM ThinkPad 380XD, 385XD (2635) 107 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 116
Connector Bracket (see page 110 ) CD/Diskette Drive Connector Assembly (with-CD model) For 2635-8xx/9xx/Axx/Bxx 05K2637 For 2635-Dxx/Exx/Fxx 05K2657 Diskette Drive Connector Assembly (non-CD model) 83H6527 CD-ROM/Diskette Drive Assembly (see page 110 ) 108 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 117
118 Memory Slot Cover 05K4758 Battery Pack For 2635-8xx/9xx/Axx/Bxx 73H9951 For 2635-Dxx/Exx/Fxx 02K6509 Base Cover Assembly 05K4743 Battery Pack Lock Assembly 05K4775 Power Switch Knob (included in Base Misc. Parts Kit on page 109) HDD Cable Assembly 05K2636 Hard Disk Drive (see - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 118
Bracket 05K4752 Hard Disk Drive, 2.1 GB (12.5 mm) 22L0004 Hard Disk Drive, 3.2 GB (12.5 mm) 83H7086 Hard Disk Drive, 4.0 GB (12.5 mm) 83H7085 Hard Disk Drive, 5.1 GB (17 mm) 83H7084 (See page 65 for relation between the HDD and the spacers.) HDD Spacer 05K4776 110 IBM ThinkPad 380XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 119
LCD FRU HPA (Labeled 05K9309 or 05K9320) IBM ThinkPad 380XD, 385XD (2635) 111 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 120
Knob (included in Ref.No.15 LCD Misc. Parts Kit) LCD Panel 05K9336 Inverter Card 05K3194 LCD No.15 LCD Misc. Parts Kit) Left Latch (included in Ref.No.15 LCD Misc. Parts Kit) Left Hinge Hinge (Ref.No.14) Screw Cap LCD Misc. Parts Kit 73H9949 including: LCD Cable Holder (Ref.No.2 on - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 121
TFT 1 (Labeled 05K9312 or 05K9322) IBM ThinkPad 380XD, 385XD (2635) 113 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 122
Knob (included in Ref.No.15 LCD Misc. Parts Kit) LCD Panel 05K9335 Inverter Card 05K3197 LCD No.15 LCD Misc. Parts Kit) Left Latch (included in Ref.No.15 LCD Misc. Parts Kit) Left Hinge Hinge (Ref.No.14) Screw Cap LCD Misc. Parts Kit 73H9949 including: LCD Cable Holder (Ref.No.2 on - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 123
TFT 2 (Labeled 05K9311 or 05K9321) IBM ThinkPad 380XD, 385XD (2635) 115 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 124
Knob (included in Ref.No.15 LCD Misc. Parts Kit) LCD Panel 05K9315 Inverter Card 05K3150 LCD No.15 LCD Misc. Parts Kit) Left Latch (included in Ref.No.15 LCD Misc. Parts Kit) Left Hinge Hinge (Ref.No.14) Screw Cap LCD Misc. Parts Kit 73H9949 including: LCD Cable Holder (Ref.No.2 on - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 125
02K4343 02K4337 02K4335 02K4334 02K4353 02K4354 02K4355 02K4336 02K4333 02K4345 02K4348 02K4342 02K4357 02K4356 02K4346 02K4358 02K4359 02K4339 02K4338 02K4340 02K4347 02K4349 02K4350 02K4332 02K4331 IBM ThinkPad 380XD, 385XD (2635) 117 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 126
Option Parts List Miscellaneous Parts FRU Name FRU Number Screw Kit 05K4837 including: Hex stud, D-Sub (6) M2 x 1.7, Special (4) M2 x 2.4, Bind, nylon-coated (1) M2.6 x 2.8, Bind (3) M2.6 x 4, Bind (2) M3 x 3, Flathead, nylon-coated (4) Screw tapping (2) 118 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 127
2. The warranty for the system unit does not apply to all options. FRU Name Headset 4.0 GB Hard Disk Drive Assembly AC Adapter (56 W, 3-prong)1 AC Adapter (56 W, 3-prong)1 AC Adapter (for Japan, The 2-prong adapters are interchangeable; you can order either one. IBM ThinkPad 380XD, 385XD (2635) 119 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 128
Wrap Cable 66G5180 USB Parallel Test Cable 05K2580 Screwdriver Kit 95F3598 Torque Screwdriver 05K4695 5-mm Socket Wrench 05K4694 Screwdriver 05K4693 ThinkPad Hardware Maintenance Diskette Version 1.40 (See "Maintenance Diskette Download" on page 57.) 120 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 129
Power Cords IBM power cords for a specific country are usually available only in that country: For 2-pin power cords: IBM Power Cord Part Number 13H5264 13H5267 13H5270 13H5273 Papua New Guinea, Paraguay, Uruguay Bangladesh, Pakistan, South Africa, Sri Lanka IBM ThinkPad 380XD, 385XD (2635) 121 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 130
For 3-pin slim power cords: IBM Power Cord P/N 76H3514 76H3516 76H3518 76H3520 76H3522 76H3524 76H3526 76H3528 76H3530 76H3532 76H3535 Used in Hong Kong), Qatar, Singapore, United Kingdom Japan Liechtenstein, Switzerland Chile, Ethiopia, Italy, Libya Israel Korea 122 IBM ThinkPad 380XD, 385XD - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 131
. Pentium®, MMX™, ProShare®, LANDesk®, and ActionMedia® are trademarks or registered trademarks of Intel Corporation in the U.S. and other countries. Other company, product, and service names used in this publication may be trademarks or service marks of others. IBM ThinkPad 380XD, 385XD (2635) 123 - Lenovo ThinkPad 380E | HMM ThinkPad 380XD,385XD (May 1998) - Page 132
IBM® Part Number: 10L9623 Printed in U.S.A. S1 L-9623-
S10L-9623-00
IBM Mobile Systems
ThinkPad 380XD
(2635)
ThinkPad 385XD
(2635)
Hardware Maintenance Manual
May 1998