T20, T21, T22, T23 - Hardware Maintenance Manual (April 2002)
Page 57
...1. System board. Replace the backup battery. 3. ThinkPad T20, T21, T22 and T23 series 51 System board. 1. Diskette drive. 2. DIMM. 2. Symptom-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 ...02B2 Incorrect drive A type 02F4 EISA CMOS not writable 02F5 DMA test failed 02F6 Software NMI failed 02F7 Fail-safe timer NMI failed FRU or action, in IBM BIOS Setup Utility. 2. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to...
...1. System board. Replace the backup battery. 3. ThinkPad T20, T21, T22 and T23 series 51 System board. 1. Diskette drive. 2. DIMM. 2. Symptom-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 ...02B2 Incorrect drive A type 02F4 EISA CMOS not writable 02F5 DMA test failed 02F6 Software NMI failed 02F7 Fail-safe timer NMI failed FRU or action, in IBM BIOS Setup Utility. 2. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to...
English - 46L4325 - ThinkPad T20, T21User's Reference guide
Page 35
... problems 19 then turn the computer on , reinstall it . If you still have a problem, have the computer serviced. The system RAM failed. Replace the battery and run the BIOS Setup Utility (refer to "Starting BIOS Setup Utility" on , reinstall it . Have the computer serviced. Test the computer by...added a memory module just before turning the computer on page 8) to reconfigure the settings. Then test the memory with PC-Doctor. The system CMOS may have been corrupted by using PC-Doctor (refer to "Testing your computer" on page 35). Run the BIOS Setup Utility (refer to...
... problems 19 then turn the computer on , reinstall it . If you still have a problem, have the computer serviced. The system RAM failed. Replace the battery and run the BIOS Setup Utility (refer to "Starting BIOS Setup Utility" on , reinstall it . Have the computer serviced. Test the computer by...added a memory module just before turning the computer on page 8) to reconfigure the settings. Then test the memory with PC-Doctor. The system CMOS may have been corrupted by using PC-Doctor (refer to "Testing your computer" on page 35). Run the BIOS Setup Utility (refer to...