IBM RS/6000 44P 270 Service Manual page 116

Table 3. Firmware Error Codes. (continued)
98
Service Guide
Error Code Description
21A00xxx SCSI DASD device errors
21A00001 Test unit ready failed - hardware
error.
21A00002 Test unit ready failed - sense data
available.
21A00003 Send diagnostic failed.
21A00004 Send diagnostic failed - DevOfl
command.
21E00xxx SCSI tape
21ED0xxx SCSI changer.
21EE0xxx Other SCSI device type.
21F00xxx SCSI CD-ROM.
Action / Possible Failing FRU
Notes:
1. Before replacing any system
components:
a. Ensure that the controller and
each device on the SCSI bus is
assigned a unique SCSI ID.
b. Ensure SCSI bus is properly
terminated.
c. Ensure SCSI signal and power
cables are securely connected
and not damaged.
2. 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.
3. Check below for the xxx value, the
xxx can stand for anything like 001,
002, 003 and so on. Ensure that the
suspected SCSI device is checked
out completely.
Refer to the notes in error code
21A00xxx.
1. Replace the SCSI device.
2. Replace the SCSI cable.
3. Replace the SCSI controller.
Refer to the notes in error code
21A00xxx.
1. Replace the media (removable
media devices).
2. Replace the SCSI device.
1. Refer to the notes in error code
21A00xxx.
2. Replace the SCSI device.
1. Refer to the notes in error code
21A00xxx.
2. Replace the SCSI device.
Refer to 21A00xxx for a description and
repair action for the xxx value.
Refer to 21A00xxx for a description and
repair action for the xxx value.
Refer to 21A00xxx for a description and
repair action for the xxx value.
Refer to 21A00xxx for a description and
repair action for the xxx value.