Lenovo ThinkCentre M50e 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 8126, 8174, 8175, and 8176 42 Types 8149, 8177, and 8178 43 Types 8084, 8085, 8147, 8148, and 8179 . . . . 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. 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 8126, 8174, 8175, and 8176 91 Locating connectors on the front 91 Locating the connectors on the rear 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 . . . . . 96 Removing and replacing the battery 97 Removing and replacing the power supply . . . . 98 Removing and replacing the system board . . . . 99 Removing and replacing the microprocessor . . . 99 Removing and replacing drives 101 Closing the cover and connecting cables . . . . 104 Chapter 9. Replacing FRUs (Types 8149, 8177, and 8178 105 Locating connectors on the front 105 Locating connectors on the rear 106 Removing the cover 106 Locating components 107 Identifying parts on the system board . . . . . 108 Removing and replacing memory 109 Removing and replacing a PCI adapter . . . . . 110 Removing and replacing the battery 110 Removing and replacing the power supply . . . 111 Removing and replacing the system board. . . . 112 Removing and replacing the microprocessor . . . 113 Removing and replacing drives 114 Installing the cover and connecting cables . . . . 116 Chapter 10. Replacing FRUs (Types 8084, 8085, 8147, 8148, and 8179 . . . 119 Locating connectors on the front 120 Locating the connectors on the rear 121 Removing the cover 121 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
8126,
8174,
8175,
and
8176
.
.
.
.
.
. 42
Types
8149,
8177,
and
8178
.
.
.
.
.
.
.
. 43
Types
8084,
8085,
8147,
8148,
and
8179
.
.
.
. 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
8126,
8174,
8175,
and
8176)
.
.
.
.
.
. 91
Locating
connectors
on
the
front
.
.
.
.
.
.
. 91
Locating
the
connectors
on
the
rear
.
.
.
.
.
. 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
.
.
.
.
. 96
Removing
and
replacing
the
battery
.
.
.
.
.
. 97
Removing
and
replacing
the
power
supply
.
.
.
. 98
Removing
and
replacing
the
system
board
.
.
.
. 99
Removing
and
replacing
the
microprocessor
.
.
. 99
Removing
and
replacing
drives
.
.
.
.
.
.
. 101
Closing
the
cover
and
connecting
cables
.
.
.
. 104
Chapter
9.
Replacing
FRUs
(Types
8149,
8177,
and
8178)
.
.
.
.
.
.
.
. 105
Locating
connectors
on
the
front
.
.
.
.
.
.
. 105
Locating
connectors
on
the
rear
.
.
.
.
.
.
. 106
Removing
the
cover
.
.
.
.
.
.
.
.
.
.
. 106
Locating
components
.
.
.
.
.
.
.
.
.
.
. 107
Identifying
parts
on
the
system
board
.
.
.
.
. 108
Removing
and
replacing
memory
.
.
.
.
.
. 109
Removing
and
replacing
a
PCI
adapter
.
.
.
.
. 110
Removing
and
replacing
the
battery
.
.
.
.
.
. 110
Removing
and
replacing
the
power
supply
.
.
. 111
Removing
and
replacing
the
system
board
.
.
.
. 112
Removing
and
replacing
the
microprocessor
.
.
. 113
Removing
and
replacing
drives
.
.
.
.
.
.
. 114
Installing
the
cover
and
connecting
cables
.
.
.
. 116
Chapter
10.
Replacing
FRUs
(Types
8084,
8085,
8147,
8148,
and
8179
.
.
. 119
Locating
connectors
on
the
front
.
.
.
.
.
.
. 120
Locating
the
connectors
on
the
rear
.
.
.
.
.
. 121
Removing
the
cover
.
.
.
.
.
.
.
.
.
.
. 121
©
Lenovo
2005.
Portions
©
IBM
Corp.
2005.
iii