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1160 System board, PC Card/ExpressCard slots (or ExpressCard/Smart
Card slots) assembly
For access, remove these FRUs, in order:
v “1010 Battery pack” on page 84
v “1020 Serial Ultrabay Enhanced device” on page 85
v “1030 Hard disk drive cover, hard disk drive, and hard disk rubber rails” on
page 86
v “1040 Palm rest or palm rest with fingerprint reader” on page 88
v “1060 Keyboard” on page 92
v “1070 PCI Express Mini Card for wireless LAN” on page 94
v “1100 Keyboard bezel and speakers” on page 100
v “1110 Fan assembly” on page 103
v “1130 LCD assembly” on page 108
v “1140 Base cover and PC Card/ExpressCard (or ExpressCard/Smart Card) bezel
assembly” on page 111
v “1150 Structure frame and IEEE 1394 sub card” on page 119
Important notices for handling the system board:
When handling the system board, bear the following in mind.
v At every point in the process, be sure not to drop or stack the system board.
v The system board has an accelerometer, which can be broken by applying
several thousands of G-forces.
Note: Dropping a system board from a height of as little as 6 inches so that it
falls flat on a hard bench can subject the accelerometer to as much as 6,000 G’s
of shock.
v Be careful not to drop the system board on a bench top that has a hard
surface, such as metal, wood, or composite.
v If a system board is dropped, you must test it, using PC-Doctor for DOS, to
make sure that the HDD Active Protection still functions (see below).
Note: If the test shows that HDD Active Protection is not functioning, be sure
to document the drop in any reject report, and replace the system board.
v Avoid rough handling of any kind.
v If you put a system board down, be sure to put it only on a padded surface
such as an ESD mat or conductive corrugated material.
After replacing the system board, run PC-Doctor for DOS to make sure that
HDD Active Protection still functions. The procedure is as follows:
1. Place the computer on a horizontal surface.
2. Run Diagnostics --> ThinkPad Devices --> HDD Active Protection Test.
Attention: Do not apply physical shock to the computer while the test is
running.
124 ThinkPad R500 Hardware Maintenance Manual