Lenovo 76592SU Hardware Maintenance Manual - Page 111
System, board, Card/ExpressCard, slots, assembly
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1210 System board, PC Card/ExpressCard slots assembly Important notices for handling the system board: When handling the system board, bear the following in mind. 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 At every point in the process, be sure not to drop or stack the system board. 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 62 v "1020 Ultrabay Slim device" on page 63 v "1030 Hard disk drive (HDD) cover, HDD and HDD rubber rails or solid state drive (SSD) and storage converter" on page 64 v "1040 Palm rest or palm rest with fingerprint reader" on page 66 v "1050 DIMM" on page 69 v "1060 Keyboard" on page 70 v "1070 Modem daughter card (MDC-1.5)" on page 72 v "1080 PCI Express Mini Card for 802.11 a/b/g wireless LAN" on page 74 v "1140 PCI Express Mini Card for wireless WAN" on page 84 v "1100 SIM card slot" on page 81 v "1110 Backup battery" on page 80 v "1130 Keyboard bezel" on page 82 v "1160 Fan assembly" on page 88 v "1170 CPU" on page 91 v "1180 LCD assembly" on page 92 v "1190 Base cover and USB sub card with cable" on page 95 v "1200 Structure frame" on page 101 ThinkPad T61 and T61p (15.4-inch widescreen) 105