Lenovo 3093AC6 manual 60Y3787, 60Y3839, 60Y3790, 60Y3840

60Y3787	System board with Intel Core™ 2 Duo mobile processor P8600 (2.4 GHz), non-AMT, TPM, 8-MB
	ROM
60Y3839	System board with Intel Core 2 Duo mobile processor P8600 (2.4 GHz), non-AMT, TPM, 4-MB ROM
60Y3790	System board with Intel Core 2 Duo mobile processor P8600 (2.4 GHz), non-AMT, non-TPM,
	8-MB ROM
60Y3840	System board with Intel Core 2 Duo mobile processor P8600 (2.4 GHz), non-AMT, non-TPM,
	4-MB ROM

•To identify the system board originally installed in your computer, go to PEW at the following web site: http://www.lenovo.com/support/site.wss/document.do?lndocid=LOOK-WARNTY

Select Warranty Lookup. Input the machine type and the serial number. Use the system board listed on PEW.

Important notices for handling the system board:

When handling the system board, bear the following in mind.

•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.

•Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.

•If a system board is dropped, you must test it, using PC-Doctor for DOS if the system supports PC-Doctor for DOS, to make sure that the HDD Active Protection System™ still functions.

Note: If the test shows that the HDD Active Protection System is not functioning, be sure to document the drop in a reject report, and replace the system board.

•Avoid rough handling of any kind.

•At every point in the process, be sure not to drop or stack the system board.

•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:

•“1010 Battery pack” on page 71

•“1020 Hard disk drive (HDD) cover, HDD, and HDD rubber rails or solid state drive (SSD) and storage converter” on page 71

•“1030 DIMM” on page 74

•“1040 Keyboard” on page 77

•“1050 Palm rest or palm rest with fingerprint reader” on page 80

•“1060 Backup battery” on page 82

•“1070 PCI Express Mini Card for wireless LAN/WiMAX” on page 83

•“1080 PCI Express Mini Card for wireless WAN” on page 86

•“1090 Intel Turbo Memory Minicard or Wireless USB PCI Express Half-Mini Card” on page 87

•“1100 Keyboard bezel” on page 88

•“1110 Monaural speaker assembly (for X200, X200s, X201s, and X201si)” on page 89

•“1120 I/O card assembly” on page 90

Chapter 8. Removing and replacing a FRU 101