Table 6. Firmware Error Codes. (continued)
Error Code Description Action/
Possible Failing FRU
20FB 0050 CSP mailbox failed to update SPCN
configuration table.
1. Check RIO cable connections
2. Check for CSP 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.
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)
20FC 0020 Failed to retrieve power, package, cooling
VPD via SPCN for the corresponding drawer.
Service processor mailbox failed to get VPD
1. Check RIO cable connection
2. Check for CSP firmware update
3. Replace corresponding I/O backplane
(location code indicates which drawer)
4. Replace primary I/O drawer backplane if
not already replaced
Location: U0.1-P1
20FC 0021 Failed to retrieve power, package, cooling
VPD via SPCN. Service processor mailbox
failed to get VPD
1. Check for CSP firmware update
2. Replace primary I/O drawer backplane
Location: U0.1-P1
20FC 0030 Corrupted VPD format in the SPCN
configuration table.
1. Check for system firmware update
2. Replace the I/O drawer backplane
(location code indicates which drawer)
2100 0001 Unsupported SCSI bus mode Before replacing any system components,
refer to the notes in error code 21A0 0xxx.
1. Disconnect the SCSI cable from the SCSI
controller the location code identifies and
reboot the system.
2. If the error code persists, replace the
SCSI controller (or I/O planar if SCSI
controller is integrated).
3. Reconnect the SCSI cable disconnected
in step 1, and remove all the SCSI
devices attached to the cable and reboot
the system.
4. If the error code persists, replace the
SCSI cable.
5. One at a time, reconnect the SCSI
devices disconnected in step 3. If the
error code returns, replace the last SCSI
device you reconnected.
If
all SCSI devices have been reattached and
the error code has not been returned, there
may have been a bad connection. Go to
″MAP 0410: Repair Checkout″ in the
RS/6000 and Eserver pSeries Diagnostic
Information for Multiple Bus Systems.
Chapter 5. Error Code to FRU Index 199
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