IBM ThinkPad X21 2660 Hardware Maintenance Manual page 44

021x 1. Load Setup Defaults
Monitor type does not match
CMOS
0220 1. System board.
Shadow RAM failure at
offset nnnn
0232 1. DIMM.
Extended RAM failure at 2. System board.
offset nnnn
0250 1. Replace the backup
System battery is dead—
replace and run setup
0251 1. Replace the backup
System CMOS checksum
bad—Default configuration
used
0252 1.
Password checksum bad.
0260 1. Replace the backup
System timer error
2. System board.
0270 1. Replace the backup
Real time clock error
2. System board.
0271Date and time error 1. Run IBM BIOS Setup
0280 1. Load Setup Defaults
Boot incomplete error—
Default configuration used
2. DIMM.
3. System board.
02F4 1.
EISA CMOS not writable.
2. System board.
02F5 1. DIMM.
DIMM test failure 2. System board.
02F6 1. DIMM.
Software NMI failure 2. System board.
in IBM BIOS Setup
Utility.
battery and run IBM
BIOS Setup Utility to
reset the time and
date.
battery and run IBM
BIOS Setup Utility to
reset the time and
date..
Reset the password
by running IBM BIOS
Setup Utility.
battery and run IBM
BIOS Setup Utility to
reset the time and
date.
battery and run IBM
BIOS Setup Utility to
reset the time and
date.
Utility to reset the
time and date..
in IBM BIOS Setup
Utility.
Load Setup Defaults
in IBM BIOS Setup
Utility.Replace the
backup battery.
39
ThinkPad X21