Lenovo ThinkPad 380ED HMM ThinkPad 380XD,385XD (May 1998) - Page 95

System Board and PC Card Slot, Fan Assembly/CPU Card

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1130 System Board and PC Card Slot 1. The system unit serial number must be restored when the system board is replaced. To restore the system unit serial number, select the option "Set system identification" on the maintenance diskette. The flash ROM on the system board contains the vital product data (VPD)-that is, the system unit serial number, system board serial number, and other computer-unique data. 2. Do not turn off the computer while restoring the VPD. The system unit serial number label is attached to the base cover. 3. Before removing and replacing the system board assembly, make sure that the PC Cards are removed and the eject buttons are not sticking out. If the PC Card eject buttons are sticking out, pull them further out slightly and fold them to the right; then push up the system 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 (1100) Pay attention to the connectors that tend to catch in the cover. Step Size (Quantity) Torque 1 M 2.5 x 6 mm, nylon-coated (2) 3-4 kgcm Note: Make sure you use 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) 87

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1130
System Board and PC Card Slot
1.
The system unit serial number must be restored when
the system board is replaced.
To restore the system
unit serial number, select the option “Set system
identification” on the maintenance diskette.
The flash
ROM on the system board contains the vital product
data (VPD)—that is, the system unit serial number,
system board serial number, and other
computer-unique data.
2.
Do not turn off the computer while restoring the VPD.
The system unit serial number label is attached to the
base cover.
3.
Before removing and replacing the system board
assembly, make sure that the PC Cards are removed
and the eject buttons are not sticking out.
If the PC
Card eject buttons are sticking out, pull them further
out slightly and fold them to the right; then push up
the system 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
(1100)
Pay attention to the
connectors
that tend to catch in the
cover.
Step
Size (Quantity)
Torque
±1²
M 2.5 x 6 mm, nylon-coated (2)
3-4 kgcm
Note:
Make sure you use 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)
87