Technical data

Appendix A
Diagnostic ErrorCodes
Overview
In this Chapter
The system firmware always tries to report any detected hardware
errors to the console device and to the LEDs located on the front
of the system box. Errors are reported as a result of failures
during the power-up tests or during user initiated tests. The error
codes identify the device and the test that failed.
The topics covered in this chapter include:
Error Messages
— Extended Error Messages
— FRU Codes
Self-Test Error Messages
— TOY/NVR
— DZ
— SCSI DMA
— OBIT
— CACHE
— Memory
— FPU
— SYS Device
— Network Interface
— SCSI
— Audio
— DSW21 Synch Communications
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