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Serial
port
test
error
codes
Code/explanation
FRU/action
0601h
(Data
written
to
port
XXXXh
was
yyyyh.
Data
read
back
from
the
port
was
zzzzh.)
1.
Check
connection
of
loopback
if
used
during
test.
2.
I/O
board.
0602h
(Interrupt
identification
register
test
failed
.)
I/O
board
0603h
(Data
written
to
port
XXXXh
was
yyyyh.
Data
read
back
from
the
port
was
zzzzh
.)
1.
Check
connection
of
loopback
if
used
during
test.
2.
I/O
board.
0604h
(Line
status
register
test
failed
at
port
XXXXh
.)
I/O
board
0605h
(Interrupt
activation
test
failed
at
port
XXXXh.)
I/O
board
0606h
(Data
transfer
test
failed
at
port
XXXXh
1.)
1.
Check
connection
of
loopback
if
used
during
test.
2.
I/O
board.
0607h
(Loop
back
test
failed
at
port
XXXXh
.)
1.
Check
connection
of
loopback
if
used
during
test.
2.
I/O
board.
0608h
(FIFO
register
test
failed
at
port
XXXXh.)
I/O
board
0609h
(FIFO
trigger
level
test
failed
at
port
XXXXh.
)
I/O
board
0610h
(FIFO
character
timeout
indication
test
failed
at
port
XXXXh.)
I/O
board
0611h
(FIFO
data
transfer
test
failed
at
port
XXXXh.
)
I/O
board
0612h
(Baud
rate
speed
test
failed
at
port
XXXXh.
)
I/O
board
Chapter
6.
Symptom-to-FRU
index
169