Note:
See
“System
replaceable
units”
on
page
122
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Symptom
to
FRU
list
Symptom
FRU/action
Tape
drive
test
failed.
Tape
drive
BIOS
timer
test
failed.
System
board
IRQ
controller
test
tailed.
System
board
DMA
channels
test
failed.
System
board
RAM
refresh
test
failed.
System
board
Real-time
clock
test
failed.
System
board
System
board
LED
test
failed.
System
board
Cache
test
failed.
Microprocessor
Keyboard
test
failed.
1.
Keyboard
2.
System
board
Speaker
test
failed.
System
board
Mouse
test
failed.
1.
Mouse
2.
System
board
Hot-swap
power-supply
LED
errors
Use
the
information
in
this
section
to
solve
power-supply
problems.
Note:
The
minimum
configuration
required
for
the
dc
good
light
to
be
lit
is:
v
Power
supply
v
Power
cage
assembly,
if
installed.
v
System
board
(set
switch
7
of
SW1
to
bypass
the
power
switch;
see
“System-board
internal
connectors”
on
page
91.
Note:
See
“System
replaceable
units”
on
page
122
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
AC
good
LED
DC
good
LED
Description
FRU/action
Off
Off
No
power
to
system
or
ac
problem.
1.
Check
ac
power
to
the
system.
2.
Power
supply.
Chapter
6.
Symptom-to-FRU
index
109
Содержание 8649 - Eserver xSeries 225
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