IBM 2283 Hardware Maintenance Service page 76

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
02B2
Incorrect Drive A Type-Run
SETUP
02B3
Incorrect Drive B Type-Run
SETUP
02D0
System Cache Error-Cache
Disabled
02F0
CPU ID:
02F4
EISA CMOS Not Writable
02F5
DMA Test Failed
02F6
Software NMI Failed
02F7
Fail-Safe Timer NMI Failed
Device Address Conflict
Allocation Error for: device
44 IBM Desktop System HMM
Action/FRU
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
1. Replace processor
1. Check CPU
1. Check EISA CMOS
1. Check DMA (Direct
Memory Access)
registers.
1. Check Software
1. Check the Fail-Safe
timer
1. Enter Configuration/
Setup Utility and reset
the device address
1. Run ISA or EISA
Configuration Utility to
resolve resource
conflict for the specified
device.