IBM 887022X Maintenance Manual - Page 203

level, light, consists, cover, server,

Page 203 highlights

Level 3 light path The level 3 light path consists of the LEDs on the top cover of the server (see Figure 28 on page 67). Level 3 light path LED FRU/action 1 (upper SMP Expansi9on Module) 1. Check for level 4 light path LEDs on upper SMP board: a. Disconnect server from power source; then, remove upper SMP Expansion Module and cover. b. Press light path capacitor switch (SW1; see "SMP Expansion Module switches and connectors" on page 178). c. Check board for lit level 4 LEDs (CPU, memory, VRM, SMP board LEDs) (see "SMP Expansion Module LEDs" on page 179). 2. Verify that corresponding module is properly installed. Note: If all VRM LEDs are on, check for missing or improperly installed VRM. 3. Reseat/replace corresponding module (DIMM, VRM, or CPU). 4. Upper SMP board. 2 (lower SMP Expansion Module 1. Check for level 4 light path LEDs on lower SMP board: a. Disconnect server from power source; remove upper SMP Expansion Module; then, remove lower SMP Expansion module and cover. b. Press light path capacitor switch on lower SMP board (SW1; see "SMP Expansion Module switches and connectors" on page 178). c. Check board for lit level 4 LEDs (CPU, memory, VRM, SMP board LEDs) (see "SMP Expansion Module LEDs" on page 179). 2. Verify that corresponding module is properly installed. Note: If all VRM LEDs are on, check for missing or improperly installed VRM. 3. Reseat/replace corresponding module (DIMM, VRM, or CPU). 4. Lower SMP board. 3 (center plane power) 1. If level 2 light path VRM LED is on (see Figure 27 on page 66), replace center plane VRM. 2. Verify all cables and connectors are properly seated. 3. Center plane. 4 (PCI-X power) 1. Check PCI-X board for (see "PCI-X board internal connectors and LEDs" on page 162) for the following lit LEDs: Attention, SERR, PCI-X. 2. Check Operating System event log. 3. Run corresponding adapter card diagnostics, if available. 4. Adapter. 5. PCI-X board. 6. I/O board. 5 (Remote Supervisor Adapter) Remote Supervisor Adapter 6 (I/O board power) 1. If level 2 light path VRM LED is on (see Figure 27 on page 66), replace I/O board VRM. 2. I/O board. Chapter 7. Symptom-to-FRU index 193

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Level
3
light
path
The
level
3
light
path
consists
of
the
LEDs
on
the
top
cover
of
the
server
(see
Figure
28
on
page
67).
Level
3
light
path
LED
FRU/action
1
(upper
SMP
Expansi9on
Module)
1.
Check
for
level
4
light
path
LEDs
on
upper
SMP
board:
a.
Disconnect
server
from
power
source;
then,
remove
upper
SMP
Expansion
Module
and
cover.
b.
Press
light
path
capacitor
switch
(SW1;
see
“SMP
Expansion
Module
switches
and
connectors”
on
page
178).
c.
Check
board
for
lit
level
4
LEDs
(CPU,
memory,
VRM,
SMP
board
LEDs)
(see
“SMP
Expansion
Module
LEDs”
on
page
179).
2.
Verify
that
corresponding
module
is
properly
installed.
Note:
If
all
VRM
LEDs
are
on,
check
for
missing
or
improperly
installed
VRM.
3.
Reseat/replace
corresponding
module
(DIMM,
VRM,
or
CPU).
4.
Upper
SMP
board.
2
(lower
SMP
Expansion
Module
1.
Check
for
level
4
light
path
LEDs
on
lower
SMP
board:
a.
Disconnect
server
from
power
source;
remove
upper
SMP
Expansion
Module;
then,
remove
lower
SMP
Expansion
module
and
cover.
b.
Press
light
path
capacitor
switch
on
lower
SMP
board
(SW1;
see
“SMP
Expansion
Module
switches
and
connectors”
on
page
178).
c.
Check
board
for
lit
level
4
LEDs
(CPU,
memory,
VRM,
SMP
board
LEDs)
(see
“SMP
Expansion
Module
LEDs”
on
page
179).
2.
Verify
that
corresponding
module
is
properly
installed.
Note:
If
all
VRM
LEDs
are
on,
check
for
missing
or
improperly
installed
VRM.
3.
Reseat/replace
corresponding
module
(DIMM,
VRM,
or
CPU).
4.
Lower
SMP
board.
3
(center
plane
power)
1.
If
level
2
light
path
VRM
LED
is
on
(see
Figure
27
on
page
66),
replace
center
plane
VRM.
2.
Verify
all
cables
and
connectors
are
properly
seated.
3.
Center
plane.
4
(PCI-X
power)
1.
Check
PCI-X
board
for
(see
“PCI-X
board
internal
connectors
and
LEDs”
on
page
162)
for
the
following
lit
LEDs:
Attention,
SERR,
PCI-X.
2.
Check
Operating
System
event
log.
3.
Run
corresponding
adapter
card
diagnostics,
if
available.
4.
Adapter.
5.
PCI-X
board.
6.
I/O
board.
5
(Remote
Supervisor
Adapter)
Remote
Supervisor
Adapter
6
(I/O
board
power)
1.
If
level
2
light
path
VRM
LED
is
on
(see
Figure
27
on
page
66),
replace
I/O
board
VRM.
2.
I/O
board.
Chapter
7.
Symptom-to-FRU
index
193