Technical data

5-20 PROM Monitor
5.6.3.3 Ebus Error Codes
060 CPU doesn’t get interrupts from CC.
061 Group interrupt test failed.
062 Lost a loopback interrupt.
063 Bit in HPIL register stuck.
5.6.3.4 IO4 Error Codes
070 No working IO4 is present.
071 Bad checksum on IO4 PROM.
072 Bad entry point in IO4 PROM.
073 IO4 PROM claims to be too long.
074 Bad entry point in IO4 PROM.
075 Bad magic number in IO4 PROM.
078 Bus error while downloading IO4 PROM.
079 No EPC chip found on master IO4.
080 Bus error while configuring IO4.
081 Bus error during IA register test.
082 Bus error during IA PIO test.
083 IA chip register test failed.
084 Wrong error reported for bad PIO.
085 IA error didn’t generate interrupt.
086 IA error generated wrong interrupt.
087 EPC register test failed.
088 Bus error on map RAM rd/wr test.
089 Bus error on map RAM address test.
090 Bus error on map RAM walking 1 test.
091 Bus error during map RAM testing.
092 Map RAM read/write test failed.
093 Map RAM address test failed.
094 Map RAM walking 1 test failed.
095 EPC UART loopback test failed.
5.6.3.5 CPU Error Codes
120 CPU can’t access memory
123 CC bus tag data test failed.
124 CC bus tag addr test failed.
125 CPU forcibly re-enabled by the PROM.
126 EAROM value can’t be corrected.
127 EAROM checksum is bad.
128 EAROM has been repaired ... reset.
5.6.3.6 CC Register Codes
140 CC join counter register test failed.
141 CC writer gatherer register test failed.
5.6.3.7 FPU Error Codes
142 FPU test failed
5.6.3.8 Miscellaneous