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Code/Explanation
FRU/Action
0520h
(No
CD
in
the
drive.)
1.
Check
if
a
CD
is
in
drive.
2.
Confirm
that
drive
is
configured.
3.
Check
drive
cables
and
connections.
4.
Drive.
5.
I/O
board
or
SCSI
add-on
controller.
0521h
(CD-ROM
read
error.)
1.
Confirm
that
drive
is
configured.
2.
Check
drive
cables
and
connections.
3.
Drive.
4.
I/O
board
or
SCSI
add-on
controller.
0523h
(CD-ROM
play
error.)
1.
Confirm
that
drive
is
configured.
2.
Check
drive
cables
and
connections.
3.
Drive.
4.
I/O
board
or
SCSI
add-on
controller.
0524h
(CD
Self-test
error.)
1.
Confirm
that
drive
is
configured.
2.
Check
drive
cables
and
connections.
3.
Drive.
4.
I/O
board
or
SCSI
add-on
controller.
0525h
(CD
Open
error.)
1.
Manually
eject
media
and
close
drive.
2.
Retry
tray
function.
3.
Confirm
that
drive
is
configured.
4.
Check
drive
cables
and
connections.
5.
Drive.
6.
I/O
board
or
SCSI
add-on
controller.
0526h
(CD
Close
error.)
1.
Manually
eject
media
and
close
drive.
2.
Retry
tray
function.
3.
Confirm
that
drive
is
configured.
4.
Check
drive
cables
and
connections.
5.
Drive.
6.
I/O
board
or
SCSI
add-on
controller.
0527h
(CD
Buffer
error.)
1.
Confirm
that
drive
is
configured.
2.
Check
drive
cables
and
connections.
3.
Drive.
4.
I/O
board
or
SCSI
add-on
controller.
0528h
(Pattern
compare
failed.
Check
pattern
did
not
match.)
1.
Check
if
AMIDiag
CD
is
present
in
drive.
2.
Confirm
that
drive
is
configured.
3.
Check
drive
cables
and
connections.
4.
Drive.
5.
I/O
board
or
SCSI
add-on
controller.
0529h
(CD-ROM
random
read
error.)
1.
Confirm
that
drive
is
configured.
2.
Check
drive
cables
and
connections.
3.
Drive.
4.
I/O
board
or
SCSI
add-on
controller.
166
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide