Lenovo ThinkCentre M51 Hardware Maintenance Manual - Page 5

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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 2 Important information about replacing RoHS compliant FRUs 3 Chapter 2. Safety information . . . . . 5 General safety 5 Electrical safety 5 Safety inspection guide 7 Handling electrostatic discharge-sensitive devices . . 8 Grounding requirements 8 Safety notices (multi-lingual translations) . . . . . 9 Chapter 3. General information . . . . 41 The Access IBM program 41 Additional information resources 41 Physical specifications 41 Types 8095, 8096, 8141, 8142, 8145, 8420, and 8421 42 Types 8097, 8143, 8144, 8146, 8422, 8423 and 8427 43 Types 8098, 8171, 8172, 8173, 8424, and 8425 . . 44 Chapter 4. General Checkout . . . . . 45 Problem determination tips 46 Chapter 5. Diagnostics using PC-Doctor for DOS 49 Starting PC-Doctor from the Rescue and Recovery workspace 49 Starting PC-Doctor from a diagnostic diskette or CD-ROM 50 Diagnostics program download 50 Navigating through the diagnostics programs . . . 50 Running diagnostics tests 50 Test selection 51 Test results 51 Fixed disk advanced test (FDAT 51 Quick and Full erase - hard drive 53 Viewing the test log 54 Chapter 6. Using the Setup Utility . . . 55 Starting the Setup Utility program 55 Viewing and changing settings 55 Exiting from the Setup Utility program . . . . . 55 Using passwords 55 Password considerations 56 User Password 56 Administrator Password 56 IDE Drive User Password 56 IDE Drive Master Password 56 © Lenovo 2005, 2008. Portions © IBM Corp. 2005. Setting, changing, and deleting a password . . . 57 Using Security Profile by Device 57 Selecting a startup device 58 Selecting a temporary startup device . . . . . 58 Changing the startup device sequence . . . . 58 Advanced settings 58 Chapter 7. Symptom-to-FRU Index . . . 59 Hard disk drive boot error 59 Power Supply Errors 59 Diagnostic error codes 61 Beep symptoms 82 No-beep symptoms 84 POST error codes 85 Miscellaneous error messages 88 Undetermined problems 90 Chapter 8. Replacing FRUs (Types 8095, 8141, 8142, 8145, 8420, and 8421) 91 Locating controls and connectors on the front of the computer 91 Locating connectors on the rear of the computer . . 92 Removing the cover 92 Locating components 94 Identifying parts on the system board . . . . . 95 Removing and replacing memory 96 Removing and replacing a PCI adapter . . . . . 97 Removing and replacing the battery 98 Removing and replacing the power supply . . . . 99 Removing and replacing the system board . . . 101 Removing and replacing the microprocessor . . . 103 Removing and replacing the hard disk drive . . . 109 Removing and replacing the optical drive . . . . 110 Removing and replacing the diskette drive . . . 111 Removing and replacing the fan assembly . . . . 112 Closing the cover and connecting cables . . . . 113 Chapter 9. Replacing FRUs (Types 8143, 8144, 8146, 8422, 8423, and 8427 115 Locating controls and connectors on the front of the computer 115 Locating connectors on the rear of the computer 116 Removing the cover 116 Locating components 117 Identifying parts on the system board . . . . . 118 Removing and replacing memory 119 Removing and replacing a PCI adapter . . . . . 120 Removing and replacing the battery 121 Removing and replacing the power supply . . . 121 Removing and replacing the system board . . . 124 Removing and replacing the microprocessor . . . 126 Removing and replacing the hard disk drive . . . 131 Removing and replacing the optical drive . . . . 132 iii

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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
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.2
Important
information
about
replacing
RoHS
compliant
FRUs
.
.
.
.
.
.
.
.
.
.
.
.
.3
Chapter
2.
Safety
information
.
.
.
.
.5
General
safety
.
.
.
.
.
.
.
.
.
.
.
.
.
.5
Electrical
safety
.
.
.
.
.
.
.
.
.
.
.
.
.5
Safety
inspection
guide
.
.
.
.
.
.
.
.
.
.
.7
Handling
electrostatic
discharge-sensitive
devices
.
.8
Grounding
requirements
.
.
.
.
.
.
.
.
.
.8
Safety
notices
(multi-lingual
translations)
.
.
.
.
.9
Chapter
3.
General
information
.
.
.
. 41
The
Access
IBM
program
.
.
.
.
.
.
.
.
.
. 41
Additional
information
resources
.
.
.
.
.
.
. 41
Physical
specifications
.
.
.
.
.
.
.
.
.
.
. 41
Types
8095,
8096,
8141,
8142,
8145,
8420,
and
8421
42
Types
8097,
8143,
8144,
8146,
8422,
8423
and
8427
43
Types
8098,
8171,
8172,
8173,
8424,
and
8425
.
. 44
Chapter
4.
General
Checkout
.
.
.
.
. 45
Problem
determination
tips
.
.
.
.
.
.
.
.
. 46
Chapter
5.
Diagnostics
using
PC-Doctor
for
DOS
.
.
.
.
.
.
.
.
. 49
Starting
PC-Doctor
from
the
Rescue
and
Recovery
workspace
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 49
Starting
PC-Doctor
from
a
diagnostic
diskette
or
CD-ROM
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 50
Diagnostics
program
download
.
.
.
.
.
.
.
. 50
Navigating
through
the
diagnostics
programs
.
.
. 50
Running
diagnostics
tests
.
.
.
.
.
.
.
.
.
. 50
Test
selection
.
.
.
.
.
.
.
.
.
.
.
.
. 51
Test
results
.
.
.
.
.
.
.
.
.
.
.
.
. 51
Fixed
disk
advanced
test
(FDAT)
.
.
.
.
.
. 51
Quick
and
Full
erase
-
hard
drive
.
.
.
.
.
. 53
Viewing
the
test
log
.
.
.
.
.
.
.
.
.
.
. 54
Chapter
6.
Using
the
Setup
Utility
.
.
. 55
Starting
the
Setup
Utility
program
.
.
.
.
.
.
. 55
Viewing
and
changing
settings
.
.
.
.
.
.
.
. 55
Exiting
from
the
Setup
Utility
program
.
.
.
.
. 55
Using
passwords
.
.
.
.
.
.
.
.
.
.
.
. 55
Password
considerations
.
.
.
.
.
.
.
.
. 56
User
Password
.
.
.
.
.
.
.
.
.
.
.
. 56
Administrator
Password
.
.
.
.
.
.
.
.
. 56
IDE
Drive
User
Password
.
.
.
.
.
.
.
. 56
IDE
Drive
Master
Password
.
.
.
.
.
.
.
. 56
Setting,
changing,
and
deleting
a
password
.
.
. 57
Using
Security
Profile
by
Device
.
.
.
.
.
.
. 57
Selecting
a
startup
device
.
.
.
.
.
.
.
.
.
. 58
Selecting
a
temporary
startup
device
.
.
.
.
. 58
Changing
the
startup
device
sequence
.
.
.
. 58
Advanced
settings
.
.
.
.
.
.
.
.
.
.
.
. 58
Chapter
7.
Symptom-to-FRU
Index
.
.
. 59
Hard
disk
drive
boot
error
.
.
.
.
.
.
.
.
. 59
Power
Supply
Errors
.
.
.
.
.
.
.
.
.
.
. 59
Diagnostic
error
codes
.
.
.
.
.
.
.
.
.
.
. 61
Beep
symptoms
.
.
.
.
.
.
.
.
.
.
.
.
. 82
No-beep
symptoms
.
.
.
.
.
.
.
.
.
.
.
. 84
POST
error
codes
.
.
.
.
.
.
.
.
.
.
.
. 85
Miscellaneous
error
messages
.
.
.
.
.
.
.
. 88
Undetermined
problems
.
.
.
.
.
.
.
.
.
. 90
Chapter
8.
Replacing
FRUs
(Types
8095,
8141,
8142,
8145,
8420,
and
8421)
91
Locating
controls
and
connectors
on
the
front
of
the
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 91
Locating
connectors
on
the
rear
of
the
computer
.
. 92
Removing
the
cover
.
.
.
.
.
.
.
.
.
.
. 92
Locating
components
.
.
.
.
.
.
.
.
.
.
. 94
Identifying
parts
on
the
system
board
.
.
.
.
. 95
Removing
and
replacing
memory
.
.
.
.
.
.
. 96
Removing
and
replacing
a
PCI
adapter
.
.
.
.
. 97
Removing
and
replacing
the
battery
.
.
.
.
.
. 98
Removing
and
replacing
the
power
supply
.
.
.
. 99
Removing
and
replacing
the
system
board
.
.
. 101
Removing
and
replacing
the
microprocessor
.
.
. 103
Removing
and
replacing
the
hard
disk
drive
.
.
. 109
Removing
and
replacing
the
optical
drive
.
.
.
. 110
Removing
and
replacing
the
diskette
drive
.
.
. 111
Removing
and
replacing
the
fan
assembly
.
.
.
. 112
Closing
the
cover
and
connecting
cables
.
.
.
. 113
Chapter
9.
Replacing
FRUs
(Types
8143,
8144,
8146,
8422,
8423,
and
8427)
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 115
Locating
controls
and
connectors
on
the
front
of
the
computer
.
.
.
.
.
.
.
.
.
.
.
.
. 115
Locating
connectors
on
the
rear
of
the
computer
116
Removing
the
cover
.
.
.
.
.
.
.
.
.
.
. 116
Locating
components
.
.
.
.
.
.
.
.
.
.
. 117
Identifying
parts
on
the
system
board
.
.
.
.
. 118
Removing
and
replacing
memory
.
.
.
.
.
.
. 119
Removing
and
replacing
a
PCI
adapter
.
.
.
.
. 120
Removing
and
replacing
the
battery
.
.
.
.
.
. 121
Removing
and
replacing
the
power
supply
.
.
. 121
Removing
and
replacing
the
system
board
.
.
. 124
Removing
and
replacing
the
microprocessor
.
.
. 126
Removing
and
replacing
the
hard
disk
drive
.
.
. 131
Removing
and
replacing
the
optical
drive
.
.
.
. 132
©
Lenovo
2005,
2008.
Portions
©
IBM
Corp.
2005.
iii