Service manual

82 Self-Tests
B.4 SYS (test 5)
The system power-up self-test has one longword of status and error
information, formatted as follows:
SYS 0000.0XXX
where XXX is one of the status or error codes listed in the following table.
Error
Code Status Description
1 Status: Success
2 Error: System ROM failed checksum
4 Error: Ethernet ROM failed checksum
8 Error: No interrupts pending
10 Error: All of the expected interrupts failed to happen
20 Error: One of the interrupts was not enabled but happened anyway
40 Error: Improper priority
80 Error: Default interrupt service routine was called. An interrupt
that was not enabled occurred
100 Error: No keyboard found in the system configuration