IBM pSeries 690 Service Manual page 520

Error Code Description
20FF00A0 Invalid VPD (getvpd mailbox command failed) 1. Replace the part specified by the location
20FF00B0 Invalid VPD (the FG keyword is not found for
a fabric card)
20FF00B1 Invalid VPD (cannot find RM keyword)
20FF00C0 Invalid VPD (missing base address of the
RIO-PCI bridge)
20FF00D0 Invalid VPD (machine type field is invalid)
20FF00F0 Invalid VPD (the rack number and the unit
number are not found in the SCF partition in
NVRAM)
2100 0xxx SCSI controller fault
21A0 0001 SCSI DASD: test unit ready failed; hardware
error
504 Eserver pSeries 690 Service Guide
Action/
Possible Failing FRU
code.
2. If no location code is shown with the error
code, call service support.
1. Replace the part specified by the location
code.
2. If no location code is shown with the error
code, call service support.
1. Replace the part specified by the location
code.
2. If no location code is shown with the error
code, call service support.
1. Replace the part specified by the location
code.
2. If no location code is shown with the error
code, call service support.
1. Replace the part specified by the location
code.
2. If no location code is shown with the error
code, call service support.
1. Replace the part specified by the location
code.
2. If no location code is shown with the error
code, call service support.
Before replacing any system components,
refer to the notes in error code 21A0 0001.
1. Replace the SCSI device.
Before replacing any system components:
1. Ensure that the controller and each device
on the SCSI bus is assigned a unique
SCSI ID.
2. Ensure that the SCSI bus is properly
terminated.
3. Ensure that the SCSI signal and power
cables are securely connected and not
damaged.
The location code information is required to
identify the ID of SCSI device failures as well
as to indicate the location of the controller to
which the device is attached. Check the
system error logs to determine the location
code information associated with the error
code.
1. Replace the SCSI device.
2. Replace the SCSI cable.
3. Replace the SCSI controller.