IBM 2283 Hardware Maintenance Service page 78

Table 2-2 BIOS Error Beeps List
NOTE:
To diagnose a problem, first find the BIOS beeps 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 Beeps
1-2-2-3
BIOS ROM checksum
1-3-1-1
Test DRAM refresh
1-3-1-3
Test 8742 Keyboard
controller
1-3-4-1
RAM failure on address line
1-3-4-3
RAM failure on data
2-1-2-3
Check ROM copyright
notice
2-2-3-1
Test for unexpected
interrupts
1-2
Checksum failure on option
ROM
Long-Short-Short
46 IBM Desktop System HMM
Action/FRU
1. Bootblock recovery
2. Check ROM
3. Check System board
1. Check DIMM
2. Check system board.
1. Check keyboard
2. Refresh BIOS
3. Check system board
1. Check DIMM
1. Check DIMM
1. Bootblock recovery
2. Check system board
1. Check components one
by one
1. Check video card
2. Bootblock recovery
3. Check system board
1. Check video card
2. Check ROM module