IBM R30, R31 manual System board/LCD/Inverter replacement notice, Restoring the LCD panel ID

Models: R31 R30

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Turn an additional 180 degrees after the screw head touches the surface of the plastic part:

vTorque driver

If you have a torque driver, refer to the Torquecolumn with each step.

vMake 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.

System board/LCD/Inverter replacement notice

Restoring the LCD panel ID

The EEPROM on the inverter stores its supported LCD type ID code. If you replace a LCD with one of a different brand or use a new inverter, the ID information in the inverter EEPROM should be updated.

Follow the steps blew to set the LCD panel ID:

1.Install the ThinkPad CE Utility Diskette and restart the computer.

2.Select 1. LCD Panel ID Utility from the main menu.

3.Follow the instruction on screen to read current or to set new LCD Panel ID code.

4.Restart computer : the new LCD should work normally.

Note: When you set a new LCD Panel ID and the new LCD is not yet enabled (to function), so connect an external CRT to see the program execution process.

CAUTION:

Make sure the new ID code you choose corresponds with the LCD brand and type. If you write a wrong ID into inverterm, just reboot and re-execute the program and input the correct ID code.

24ThinkPad R30/R31 HMM

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IBM R30, R31 manual System board/LCD/Inverter replacement notice, Restoring the LCD panel ID