Table 5. Firmware Error Codes. (continued)
Error Code Description Action/
Possible Failing FRU
20FB 003A Failure to read I/O drawer SPCN
address
1. Check RIO cable connections
2. Check for system firmware
update
3. Replace RIO card assembly
4. Replace I/O backplane if not
already replaced (location code
indicates which drawer)
20FB 0040 Failed to match SPCN address to
SPCN node entry address.
1. Check RIO cable connections
2. Check for system firmware
update
3. Replace RIO card assembly
4. Replace I/O backplane if not
already replaced (location code
indicates which drawer)
20FB 0050 Service processor mailbox failed to
update SPCN configuration table.
1. Check RIO cable connections
2. Check for service processor
firmware update
3. Replace primary I/O drawer
backplane
Location: U0.1-P1
20FB 99xy The number of I/O drawers reported
by RIO does not match the number
of I/O drawers reported by SPCN,
where x is the number of drawers
reported by RIO and y is the number
of drawers reported by SPCN. This
error code should cause the system
to hang.
1. Check RIO and SPCN cabling.
2. If there is an error code displayed
by any of the secondary I/O
drawers, perform the actions for
that error code.
3. If there is no error code displayed
by any of the secondary I/O
drawers, examine the service
processor error logs to obtain an
error code.
4. RIO Bus Adapter Location:
U0.2-P1.1
5. Secondary I/O Backplane
Location: U0.2-P1
20FC 0xxx Retrieving power, package, cooling
VPD via SPCN for the CEC and I/O
drawers
20FC 0010 Failed to match RIO addressing with
SPCN node entry address.
Replace I/O backplane if not already
replaced (location code indicates
which drawer)
196 Service Guide
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