error
logs
(continued)
system
error
72
viewing
72
error
symptoms
CD-ROM
drive,
DVD-ROM
drive
89
general
90
hard
disk
drive
90
intermittent
91
keyboard,
non-USB
91
keyboard,
USB
92
memory
94
microprocessor
95
monitor
96
mouse,
non-USB
91
mouse,
USB
92
optional
devices
98
pointing
device,
non-USB
91
pointing
device,
USB
92
power
99
serial
port
100
ServerGuide
101
software
101
USB
port
102
errors
format,
diagnostic
code
113
messages,
diagnostic
112
power
supply
LEDs
110
Ethernet
connector
6
Ethernet
controller,
troubleshooting
157
Ethernet
controllers,
configuring
20
ethernet
link
LED
6
Ethernet
transmit/receive
activity
LED
6,
7
expansion
bays
3
expansion
slots
3
external
cabling
34
F
FAN
LED
109
fan,
replacing
37
FCC
Class
A
notice
167
features
3
field
replaceable
units
(FRUs)
25
firmware,
updating
13
Fixed
Disk
Test
112
force
power-on
jumper
8
front-panel
assembly,
replacing
53
FRUs,
replacing
front-panel
assembly
53
microprocessor
54
microprocessor-board
assembly
54
PCI-X
board
assembly
59
PCI-X
switch-card
assembly
60
power
backplane
61
scalability
cartridge
assembly
63
G
Gigabit
Ethernet
connector
7
grease,
thermal
58
H
hard
disk
drive
diagnostic
tests,
types
of
112
problems
90
status
LED
4
heat
output
3
hot-plug
adapter.
See
adapter
humidity
3
I
I/O
board
error
LED
7
jumpers
and
internal
connectors
8
replacing
47
I/O
BRD
LED
109
important
notices
2
information
LED
4
installation
order
microprocessors
54
installing
See
replacing
integrated
functions
3
intermittent
problems
91
internal
connectors
8
J
jumpers
boot
recovery
8
force
power-on
8
power-on
password
8
Wake
on
LAN
bypass
8
K
keyboard
connector
6
keyboard
problems
91
L
LEDs
6
light
path
diagnostic
panel
103
light
path,
viewing
without
power
102
microprocessor
tray
assembly
10,
103
operator
information
panel
103
PCI-X
board
104
LEDs,
light
path
CPU
106
CPU
BRD
109
DASD
108
FAN
109
I/O
BRD
109
LOG
106
MEM
107
NMI
107
NONRED
108
OVERSPEC
105
PCI
107
172
IBM
System
x3950
Type
8878
and
System
x3950
E
Type
8879:
Problem
Determination
and
Service
Guide
Summary of Contents for System x3950 Type 8878
Page 2: ......
Page 185: ...Japanese Voluntary Control Council for Interference VCCI statement Appendix B Notices 169...
Page 191: ......
Page 192: ...Part Number 31R1891 Printed in USA 1P P N 31R1891...