IBM 2283 Hardware Maintenance Service page 75

Table 2-1 POST Error Codes and Messages List
NOTE:
To diagnose a problem, first find the BIOS error
messages or codes in left column. If directed to a
check procedure, replace the FRU indicated in the
check procedure. If no check procedure is indicated,
the first Action/FRU listed in right column is the most
likely cause.
BIOS Error Codes,
Messages
0250
System Battery is Dead-
Replace and Run SETUP
0251
System CMOS Checksum
Bad-Default Configuration
Used
0260
System Timer Error
0270
Real Time Clock Error
0271
Check Date and Time
Settings
0280
Previous Boot Incomplete-
Default Configuration Used
0281
Memory Size Found by
POST Differed from CMOS
02B0
Diskette Drive A Error
02B1
Diskette Drive B Error
Action/FRU
1. Check system battery.
If replaced, re-run
Setup
1. Run Setup. Load the
default settings, or
enter Setup to key-in
your own values.
2. Check system battery
1. Check system board
1. Run Setup. Reset the
Real-Time clock.
1. Run Setup. Verify if the
wait-state configuration
is correct.
1. Check system battery
1. Re-connect floppy disk
drive
2. Enter Configuration/
Setup Utility and load
the default settings.
3. Floppy disk drive
4. System board
1. Re-connect floppy disk
drive
2. Enter Configuration/
Setup Utility and load
the default settings.
3. Floppy disk drive
4. System board
Check Procedures 43