Maintenance Object Repair Procedures
555-233-123
10-1420 Issue 4 May 2002
Processor Software Initiated Interrupt Test (#77)
This test is a nondestructive test. The test verifies if the 80286/386 Processor can
exercise the three types of software-initiated interrupts:
■ Divide by zero
■ Single step
■ One byte interrupt instruction.
Table 10-533. TEST #77 Processor Software Initiated Interrupt Test
Error
Code
Test
Result Description/Recommendation
1029
2014
2015
2016
2017
2018
2020
2022
2024
2025
2051
ABORT Refer to STBY-SPE Maintenance documentation for a description
of these error codes.
FAIL The processor did not detect the software interrupt condition. As a
result, the processor executed the incorrect interrupt vector. The
system may or may not continue to operate correctly.
1. Repeat the command at 1-minute intervals a maximum of 5
times.
2. If the test continues to fail, the Processor circuit pack should be
replaced. (Note that if you replace the Processor circuit pack,
you need to obtain a new license file.)
!
WARNING:
If the TN786B circuit pack [386 systems only] must be
replaced, and if there is a blank in the Expansion Memory
circuit pack slot (that is, in the slot immediately to the right of
the TN786B circuit pack), remove the blank before removing
the circuit pack. Otherwise, the circuit pack and/or the two
connectors that are used to connect the Expansion Memory
circuit pack (if available) might become damaged.
PASS The processor detected the software interrupt condition, and it
executed the correct interrupt vector. The system continues to
operate correctly.
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