Lenovo ThinkPad 560X ThinkPad 560X Hardware Maintenance Manual (Oct 1997) - Page 81

System Board, PC Card Slot Assembly

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1100 System Board DIMM (If Installed) (1020) Battery Pack (1030) Frame (1040) Keyboard Unit (1050) LCD Assembly (1060) Speaker (1070) Hard Disk Drive (1080) PC Card Slot Assembly (1090) Notes: 1. The system unit serial number must be restored when the system board is replaced. 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 system number, and other computer-unique data. 2. Do not power off the computer when restoring the VPD. The system unit serial number label is attached to the base cover. Step Screw No. (See page 59) Qty Torque 1 5 6 3 kgcm 2 6 2 2 kgcm When replacing: 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 (see "Screw Tightening Information" on page 22 if you do not have a torque screwdriver). ThinkPad 560X (2640-60x, 70x) 71

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1100 System Board
±
DIMM (If Installed)
(1020)
±
Battery Pack
(1030)
±
Frame
(1040)
±
Keyboard Unit
(1050)
±
LCD Assembly
(1060)
±
Speaker
(1070)
±
Hard Disk Drive
(1080)
±
PC Card Slot Assembly
(1090)
Notes:
1.
The system unit serial number must be restored when
the system board is replaced.
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 system number, and other
computer-unique data.
2.
Do not power off the computer when restoring the
VPD.
The system unit serial number label is attached
to the base cover.
Step
Screw No. (See page 59)
Qty
Torque
±1²
5
6
3
kgcm
±2²
6
2
2
kgcm
When replacing:
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
(see “Screw Tightening Information” on
page
22 if you do not have a torque screwdriver).
ThinkPad 560X
(2640-60x, 70x)
71