Technical data

CHALLENGE/Onyx Diagnostic Road Map 5-19
5.6.3 Diagnostic Codes and Their Meanings
The following diagnostic codes provide information on these areas of the system:
CPU cache
Memory
Ebus
IO4
CPU
CC registers
FPU
Miscellaneous areas
5.6.3.1 CPU Cache
000 Device passed diagnostics.
001 Failed dcache1 data test.
002 Failed dcache1 addr test.
003 Failed scache1 data test.
004 Failed scache1 addr test.
005 Failed icache data test.
006 Failed icache addr test.
007 Dcache test hung.
008 Scache/gcache test hung.
009 Icache test hung.
010 Cache initialization.
011 Dcache tag ram test.
012 Sram tag ram cache test.
013 FPU scache tag ram test.
5.6.3.2 Memory
040 Memory built-in self-test failed on at least 1 memory bank.
041 No working memory was found; couldn’t configure any memory.
042 Memory address line test failed.
043 Memory data line test failed.
044 Bank failed configured memory test.
045 Slave hung writing to memory.
046 Bank disabled due to downrev MA chip.
047 A bus error occurred during MC3 config.
048 A bus error occurred during MC3 testing.
049 PROM attempted to disable the same bank twice.
050 Not enough memory to load the IO4 PROM.
051 No memory boards were recognized.
052 Bank forcibly re-enabled by the PROM.