Contents
Chapter
1.
About
this
manual
.
.
.
.
. 1
Important
Safety
Information
.
.
.
.
.
.
.
.
. 1
Strategy
for
Replacing
FRUs
for
CTO,
CMV,
and
GAV
products
.
.
.
.
.
.
.
.
.
.
.
.
.
. 2
Product
definition
.
.
.
.
.
.
.
.
.
.
. 2
FRU
Identification
for
CTO,
CMV,
and
GAV
products
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 3
Chapter
2.
General
information
.
.
.
.
. 5
Access
IBM
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 5
Additional
information
resources
.
.
.
.
.
.
. 5
Features
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 5
Specifications
.
.
.
.
.
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.
.
.
.
.
.
.
. 9
Chapter
3.
General
Checkout
.
.
.
.
. 11
Chapter
4.
IBM
Enhanced
Diagnostics
13
Diagnostics
program
download
.
.
.
.
.
.
.
. 13
Running
IBM
Enhanced
Diagnostics
from
the
Access
IBM
Predesktop
Area
.
.
.
.
.
.
.
.
.
.
. 13
Navigating
through
the
diagnostics
programs
.
.
. 13
Running
diagnostics
tests
.
.
.
.
.
.
.
.
.
. 13
Test
selection
.
.
.
.
.
.
.
.
.
.
.
.
. 14
Test
results
.
.
.
.
.
.
.
.
.
.
.
.
. 14
Fixed
disk
advanced
test
(FDAT)
.
.
.
.
.
. 15
Quick
and
Full
erase
-
hard
drive
.
.
.
.
.
. 16
Viewing
the
test
log
.
.
.
.
.
.
.
.
.
.
. 17
Chapter
5.
Using
the
IBM
Setup
Utility
19
Starting
the
IBM
Setup
Utility
program
.
.
.
.
. 19
Viewing
and
changing
settings
.
.
.
.
.
.
.
. 19
Exiting
from
the
IBM
Setup
Utility
program
.
.
. 19
Using
passwords
.
.
.
.
.
.
.
.
.
.
.
. 19
User
password
.
.
.
.
.
.
.
.
.
.
.
. 19
Administrator
password
.
.
.
.
.
.
.
.
. 20
Setting,
changing,
and
deleting
a
password
.
.
. 20
Security
settings
for
Access
IBM
Predesktop
Area
.
. 20
Using
Security
Profile
by
Device
.
.
.
.
.
.
. 21
Using
IDE
Drives
Setup
.
.
.
.
.
.
.
.
.
. 21
Selecting
a
startup
device
.
.
.
.
.
.
.
.
.
. 22
Selecting
a
temporary
startup
device
.
.
.
.
. 22
Changing
the
startup
device
sequence
.
.
.
. 22
Advanced
settings
.
.
.
.
.
.
.
.
.
.
.
. 22
Chapter
6.
Replacing
FRUs
.
.
.
.
.
. 23
Locating
controls
and
connectors
on
the
front
of
the
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 23
Locating
connectors
on
the
rear
of
the
computer
.
. 24
Opening
the
cover
.
.
.
.
.
.
.
.
.
.
.
. 25
Locating
components
.
.
.
.
.
.
.
.
.
.
. 26
Accessing
system
board
components
and
drives
.
. 27
Identifying
parts
on
the
system
board
.
.
.
.
. 28
Replacing
memory
.
.
.
.
.
.
.
.
.
.
.
. 29
Replacing
a
PCI
adapter
.
.
.
.
.
.
.
.
.
. 30
Replacing
the
battery
.
.
.
.
.
.
.
.
.
.
. 31
Replacing
the
power
supply
.
.
.
.
.
.
.
.
. 32
Replacing
the
system
board,
microprocessor,
and
heat
sink
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 34
Replacing
the
microprocessor
.
.
.
.
.
.
. 38
Replacing
internal
drives
.
.
.
.
.
.
.
.
.
. 38
Replacing
a
CD-ROM,
CD-RW,
or
DVD
optical
drive
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 40
Replacing
the
hard
disk
drive
.
.
.
.
.
.
. 40
Connecting
a
serial
ATA
hard
disk
drive
.
.
.
. 41
Replacing
the
diskette
drive
.
.
.
.
.
.
.
. 42
Connecting
an
IDE
hard
disk
or
CD
drive
.
.
. 42
Replacing
the
speaker
.
.
.
.
.
.
.
.
.
.
. 43
Replacing
the
power
button
and
LED
assembly
.
. 43
Replacing
the
fan
assembly
.
.
.
.
.
.
.
.
. 44
Closing
the
cover
and
connecting
the
cables
.
.
. 46
Chapter
7.
Symptom-to-FRU
Index
.
.
. 47
Hard
disk
drive
boot
error
.
.
.
.
.
.
.
.
. 47
Power
Supply
Errors
.
.
.
.
.
.
.
.
.
.
. 47
Diagnostic
error
codes
.
.
.
.
.
.
.
.
.
.
. 49
Beep
symptoms
.
.
.
.
.
.
.
.
.
.
.
.
. 70
No-beep
symptoms
.
.
.
.
.
.
.
.
.
.
.
. 72
POST
error
codes
.
.
.
.
.
.
.
.
.
.
.
. 73
Miscellaneous
error
messages
.
.
.
.
.
.
.
. 87
Undetermined
problems
.
.
.
.
.
.
.
.
.
. 89
Chapter
8.
Parts
listing
.
.
.
.
.
.
.
. 91
Machine
Type
8127
.
.
.
.
.
.
.
.
.
.
.
. 91
Machine
Type
8183
.
.
.
.
.
.
.
.
.
.
.
. 95
Machine
Type
8184
.
.
.
.
.
.
.
.
.
.
. 109
Machine
Type
8320
.
.
.
.
.
.
.
.
.
.
. 116
Machine
Type
8416
.
.
.
.
.
.
.
.
.
.
. 125
Machine
Type
8417
.
.
.
.
.
.
.
.
.
.
. 127
Machine
Type
8418
.
.
.
.
.
.
.
.
.
.
. 133
Machine
Type
8419
.
.
.
.
.
.
.
.
.
.
. 137
Machine
Type
8429
.
.
.
.
.
.
.
.
.
.
. 141
Chapter
9.
Additional
Service
Information
.
.
.
.
.
.
.
.
.
.
.
. 145
Security
features
.
.
.
.
.
.
.
.
.
.
.
. 145
Passwords
.
.
.
.
.
.
.
.
.
.
.
.
. 145
Erasing
a
lost
or
forgotten
password
(clearing
CMOS)
.
.
.
.
.
.
.
.
.
.
.
.
.
. 146
Vital
product
data
.
.
.
.
.
.
.
.
.
.
. 146
Management
Information
Format
(MIF)
.
.
. 147
BIOS
levels
.
.
.
.
.
.
.
.
.
.
.
.
.
. 147
Flash
update
procedures
.
.
.
.
.
.
.
.
.
. 148
Updating
(flashing)
BIOS
from
a
diskette
.
.
. 148
Updating
(flashing)
BIOS
from
your
operating
system
.
.
.
.
.
.
.
.
.
.
.
.
.
. 148
Recovering
from
a
POST/BIOS
update
failure
148
Power
management
.
.
.
.
.
.
.
.
.
.
. 150
Automatic
configuration
and
power
interface
(ACPI)
BIOS
.
.
.
.
.
.
.
.
.
.
.
.
. 150
©
Copyright
IBM
Corp.
2005
iii
Summary of Contents for ThinkCentre 8127
Page 1: ...ThinkCentre Hardware Maintenance Manual Types 8127 8183 8184 8320 8416 8417 8418 8419 and 8429...
Page 2: ......
Page 3: ...ThinkCentre Hardware Maintenance Manual Types 8127 8183 8184 8320 8416 8417 8418 8419 and 8429...
Page 16: ...10 Hardware Maintenance Manual...
Page 24: ...18 Hardware Maintenance Manual...
Page 96: ...90 Hardware Maintenance Manual...
Page 158: ...152 Hardware Maintenance Manual...
Page 169: ...Chapter 10 Related service information 163...
Page 170: ...164 Hardware Maintenance Manual...
Page 171: ...Chapter 10 Related service information 165...
Page 172: ...166 Hardware Maintenance Manual...
Page 173: ...Chapter 10 Related service information 167...
Page 174: ...168 Hardware Maintenance Manual...
Page 175: ...Chapter 10 Related service information 169...
Page 176: ...170 Hardware Maintenance Manual...
Page 186: ...180 Hardware Maintenance Manual...
Page 187: ...Chapter 10 Related service information 181...
Page 188: ...182 Hardware Maintenance Manual...
Page 195: ......
Page 196: ...Part Number 74P2660 Printed in USA 1P P N 74P2660...