Hardware Maintenance Manual
Page 56
... RAM failure at offset nnnn. 1. password. 0194 Enter the supervisor The computer has been carried password. System board. (continued) 50 ThinkPad A20m/p, A21m/p, A22m/p Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 0251 System CMOS checksum bad-Default configuration used. Hard-disk drive. 4. The password is cleared.
... RAM failure at offset nnnn. 1. password. 0194 Enter the supervisor The computer has been carried password. System board. (continued) 50 ThinkPad A20m/p, A21m/p, A22m/p Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 0251 System CMOS checksum bad-Default configuration used. Hard-disk drive. 4. The password is cleared.
Hardware Maintenance Manual
Page 57
... drive A type. 02F4 EISA CMOS not writable. 02F5 DIMM test failure. 02F6 Software NMI failure. 02F7 Fail-safe timer NMI failure. Diskette drive. 2. DIMM. 2. External FDD cable. 3. System board. 1. DIMM. 2. ThinkPad A20m/p, A21m/p and A22m/p 51 Replace the backup battery. 3. System board. 1. System board. Replace the backup battery and run IBM BIOS Setup Utility to reset...
... drive A type. 02F4 EISA CMOS not writable. 02F5 DIMM test failure. 02F6 Software NMI failure. 02F7 Fail-safe timer NMI failure. Diskette drive. 2. DIMM. 2. External FDD cable. 3. System board. 1. DIMM. 2. ThinkPad A20m/p, A21m/p and A22m/p 51 Replace the backup battery. 3. System board. 1. System board. Replace the backup battery and run IBM BIOS Setup Utility to reset...