Compaq 486 Maintenance And Service Manual page 25

113 - 50 BIOS dispatch of processor
113 - 51 Processor is unavailable
or nonexistent
113 - 52 Time out waiting for
completion of test
113 - 54 Time out waiting for serial
semaphore
113 - 56 Unexpected interrupt
occurred during test
114 - 01 Speaker test failed
=============================================================================
Table 3-3. Memory Test Error Codes
=============================================================================
Error
Code Description
-----------------------------------------------------------------------------
201 - 01 Memory machine ID test
failed
201 - 02 Memory machine type
test failed
201 - 03 Memory machine ID
and type test failed
202 - xx ROM checksum test failed
202 - 01 Test failed
202 - 02 Failed RAM/ROM map
test
202 - 03 Failed RAM/ROM protect
test
202 - 04 System RAM/ROM
checksum test failed
-----------------------------------------------------------------------------
203 - xx RAM write/read test
failed
203 - 01 Memory write/read test
203 - 02 Error during saving
program memory in
write/read test
203 - 03 Error during restore of
memory in write/read test
204 - xx RAM address test failed
204 - 01 Memory address test
failed
Recommended
Action
The following steps apply
to error codes 201 - xx
through 202 - xx:
1. Replace the system ROM
and retest.
2. Replace the processor
board and retest.
The following steps apply
to error codes 203 - xx
through 211 - xx:
1. Replace the memory
module and retest.
2. Replace the processor
board and retest.