Lenovo ThinkPad 380ED TP 380Z Hardware Maintenance Manual (August 1998) for us - Page 73

System Board and PC Card Slot

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1130 System Board and PC Card Slot Notes: 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) Make sure that the connectors are not caught in the base cover. Connectors 1 Step Size (Quantity) Torque 1 M 2.5 x 6 mm, nylon-coated (2) 3-4 kgcm Note: Make sure that you use correct screws and tighten all of them firmly to the torque shown in the table. Never reuse screws that have been removed. Use new ones instead. ThinkPad 380Z 71

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1130
System Board and PC Card Slot
Notes:
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)
Make sure that the
connectors
are not caught in the base
cover.
Connectors
1
Step
Size (Quantity)
Torque
1
M 2.5 x 6 mm, nylon-coated (2)
3-4 kgcm
Note:
Make sure that you use correct screws and tighten all
of them
firmly
to the torque shown in the table.
Never reuse
screws that have been removed.
Use new ones instead.
ThinkPad 380Z
71