Lenovo ThinkPad R500 User Manual - Page 132

System board, PC Card/ExpressCard slots (or ExpressCard/Smart Card slots) assembly - hdd cover

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1160 System board, PC Card/ExpressCard slots (or ExpressCard/Smart Card slots) assembly 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. 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 119 124 ThinkPad R500 Hardware Maintenance Manual

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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