T20, T21, T22, T23 - Hardware Maintenance Manual (April 2002)
Page 57
...board. 1. System board. 1. ThinkPad T20, T21, T22 and T23 series 51 System board. System board. 1. External FDD cable. 3. I/O card. 1. Load Setup Defaults in sequence 1. DIMM. 2. DIMM. 2. Reset the password by running IBM BIOS Setup Utility. 1. DIMM. 2. Replace the backup battery and run IBM BIOS Setup ...time and date. 1. Replace the backup battery and run IBM BIOS Setup Utility to -FRU index Symptom or error 0232 Extended RAM error-Extended RAM fails at offset nnnn. 0250 System battery error-System battery is dead. 0251 System CMOS checksum bad-Default configuration used...
...board. 1. System board. 1. ThinkPad T20, T21, T22 and T23 series 51 System board. System board. 1. External FDD cable. 3. I/O card. 1. Load Setup Defaults in sequence 1. DIMM. 2. DIMM. 2. Reset the password by running IBM BIOS Setup Utility. 1. DIMM. 2. Replace the backup battery and run IBM BIOS Setup ...time and date. 1. Replace the backup battery and run IBM BIOS Setup Utility to -FRU index Symptom or error 0232 Extended RAM error-Extended RAM fails at offset nnnn. 0250 System battery error-System battery is dead. 0251 System CMOS checksum bad-Default configuration used...
English - 46L4325 - ThinkPad T20, T21User's Reference guide
Page 35
... error 0220: Monitor type error 0230: Shadow RAM error 0231: System RAM error 0232: Extended RAM error 0250: System battery error 0251: System CMOS checksum bad 0252: Password checksum bad 0260: System timer error Cause and action Make sure that no object is placed on... the keyboard or on page 8) to verify the configuration. If the computer stops during the test, have set the password. The shadow RAM failed. The system RAM failed. Replace the battery...
... error 0220: Monitor type error 0230: Shadow RAM error 0231: System RAM error 0232: Extended RAM error 0250: System battery error 0251: System CMOS checksum bad 0252: Password checksum bad 0260: System timer error Cause and action Make sure that no object is placed on... the keyboard or on page 8) to verify the configuration. If the computer stops during the test, have set the password. The shadow RAM failed. The system RAM failed. Replace the battery...