T20, T21, T22, T23 - Hardware Maintenance Manual (April 2002)
Page 57
... board. 1. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. DIMM. 2. DIMM. 2. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. System board. 1. Diskette drive. 2. Load Setup Defaults in sequence 1. Replace the backup battery. 3. System board. ThinkPad T20, T21, T22 and T23 series...
... board. 1. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. DIMM. 2. DIMM. 2. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. System board. 1. Diskette drive. 2. Load Setup Defaults in sequence 1. Replace the backup battery. 3. System board. ThinkPad T20, T21, T22 and T23 series...
46P4564 - English - Service and Troubleshooting Guide for T23
Page 20
...battery is used to the correct connector. If you have the external keyboard serviced. then turn on , reinstall it . Replace the battery...Real time clock error Have the computer serviced. 12 ThinkPad® T23 Service and Troubleshooting Guide Then test the memory with...battery error The system battery is depleted. Then test the memory with PC-Doctor. 0232: Extended RAM error The extended RAM failed. The computer uses the default settings. Run IBM BIOS Setup Utility to ignore the warning message. If you still have a problem, have the computer serviced. 0251: System CMOS...
...battery is used to the correct connector. If you have the external keyboard serviced. then turn on , reinstall it . Replace the battery...Real time clock error Have the computer serviced. 12 ThinkPad® T23 Service and Troubleshooting Guide Then test the memory with...battery error The system battery is depleted. Then test the memory with PC-Doctor. 0232: Extended RAM error The extended RAM failed. The computer uses the default settings. Run IBM BIOS Setup Utility to ignore the warning message. If you still have a problem, have the computer serviced. 0251: System CMOS...