IBM 7940, Руководство по диагностике и обслуживанию, Страница: 131 / 160

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See Chapter 3, “Parts listing, Type 7940 and 7941 servers,” on page 19 to determine which components
are customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
BMC log message
Sensor
type Sensor
number
Action
CPU 1 Presense Detected Deasserte
CPU 2 Presense Detected Deasserted 07h
07h 90h
91h Trained service technician only:
1. Reseat CPU n.
2. Replace CPU n.
3. Replace the system board.
CPU 1 Disabled Asserted
CPU 2 Disabled Asserted 07h
07h 90h
91h Trained service technician only:
1. Reseat CPU n.
2. Replace CPU n.
3. Replace the system board.
CPU 1 Disabled Deasserted
CPU 2 Disabled Deasserted 07h
07h 90h
91h Information only
CPU 1 Bad VID Asserted
CPU 2 Bad VID Asserted 07h
07h 9Ch
9Dh Trained service technician only:
1. Reseat CPU n.
2. Replace CPU n.
3. Replace the system board.
CPU 1 Bad VID Deasserted
CPU 2 Bad VID Deasserted 07h
07h 9Ch
9Dh Information only
VRD 1 Presense Detected Asserted
VRD 2 Presense Detected Asserted 08h
08h 24h
25h Information only
VRD 1 Power Supply Failure Asserted
VRD 2 Power Supply Failure Asserted
VRD 2.5V Power Supply Failuer Asserted
VRD 1.8V Power Supply Failure Asserted
VRD 1.2V Power Supply Failure Asserted 08h
08h
08h
08h
08h 24h
25h
2Ah
2Dh
2Fh Trained service technician only:
1. Replace the power supply.
2. Reseat CPU n.
3. Replace CPU n.
4. Replace the system board.
HTX Syncflood Asserted
PCI-E x16 Syncflood Asserted
PCI-E x8 Syncflood Asserted 21h
21h
21h ABh
ABh
ABh
1. Remove Adaptors cards.
2. Replace Adaptor cards one at a time to
isolate error.
3. (Trained service technician only) Replace
system board.
Onboard Device Syncflood Asserted
HT1000 Legacy I/O Syncflood Asserted
System Reset Due to Unrecoverable Error
I/O Subsystem Timeout Asserted
PCI-E x16 Timeout Asserted
PCI-E x8 Timeout Asserted 21h
21h
21h
21h
21h
21h ACh
ACh
ACh
ACh
ACh
ACh
1. Remove Adaptors cards.
2. Replace Adaptor cards one at a time to
isolate error.
3. (Trained service technician only) Replace
system board.
Power Supply Failure Asserted 08h 70h Trained service technician only:
1. Replace the power supply.
2. Replace the system board.
Power Supply EPOW Asserted 08h 70h Information only
Power Supply EPOW Deasserted 08h 70h Information only
Chapter 5. Diagnostics
113