3-14 Troubleshooting
Overtemperature Indications
Overtemperature situations are sensed by the Power Monitor card. There are two overtemperature messages
that occur within the system specified operating temperature range. These messages DO NOT stop the
system or shut off DC power. They are an indication of temperature rise and possible problems. Table 3-10
presents these indications along with the temperature power shutdown message as symptoms with cause and
recommended actions.
7D03 MSI read time-out (HPMC, caused by accessing beyond the
end of memory or non-responding Slave Memory Control-
lers)
Analyze PIM dump
7D04 MSI write time-out (HPMC, caused by accessing beyond
the end of memory or non-responding Slave Memory Con-
trollers)
7D05 Central bus parity fault (HPMC)
7D06 Write bomb fault (HPMC, earlier write transaction to mem-
ory had a bus parity error)
7D07 Memory address fault (HPMC)
7D08 Multi-bit memory fault (HPMC)
7D09 Single bit memory fault (HPMC) Unexpected HPMC during memory self
test
7D0A Address did not map to bank (HPMC) Failed MMC on system board or failed
SMC
7FXY X = Carrier Card number, Y = SIMM pair number Replace SIMM pair indicated by Y
7FFF Catastrophic memory fault Contact the response center
Table 3-9. Memory Troubleshooting (Continued)
Code Description Possible Cause
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