Contents
Chapter
1.
About
this
manual
.
.
.
.
. 1
Important
Safety
Information
.
.
.
.
.
.
.
.
. 1
Important
information
about
replacing
RoHS
compliant
FRUs
.
.
.
.
.
.
.
.
.
.
.
.
. 2
Chapter
2.
Safety
information
.
.
.
.
. 3
General
safety
.
.
.
.
.
.
.
.
.
.
.
.
.
. 3
Electrical
safety
.
.
.
.
.
.
.
.
.
.
.
.
. 3
Safety
inspection
guide
.
.
.
.
.
.
.
.
.
.
. 5
Handling
electrostatic
discharge-sensitive
devices
.
. 6
Grounding
requirements
.
.
.
.
.
.
.
.
.
. 6
Safety
notices
(multi-lingual
translations)
.
.
.
.
. 7
Chapter
3.
General
information
.
.
.
. 37
The
ThinkVantage
Productivity
Center
program
.
. 37
Additional
information
resources
.
.
.
.
.
.
. 37
Specifications
.
.
.
.
.
.
.
.
.
.
.
.
.
. 38
Chapter
4.
General
Checkout
.
.
.
.
. 39
Problem
determination
tips
.
.
.
.
.
.
.
.
. 39
Chapter
5.
Diagnostics
.
.
.
.
.
.
.
. 41
PC-Doctor
for
Windows
.
.
.
.
.
.
.
.
.
. 41
PC-Doctor
for
DOS
.
.
.
.
.
.
.
.
.
.
.
. 41
Creating
a
diagnostic
CD
image
.
.
.
.
.
. 42
Creating
diagnostic
diskettes
.
.
.
.
.
.
. 42
Running
diagnostics
from
the
CD
or
diskettes
.
. 42
Running
diagnostics
from
the
Rescue
and
Recovery
workspace
.
.
.
.
.
.
.
.
.
. 43
PC-Doctor
for
Windows
PE
.
.
.
.
.
.
.
.
. 43
Running
diagnostics
from
the
Rescue
and
Recovery
workspace
.
.
.
.
.
.
.
.
.
. 43
Navigating
through
the
diagnostics
programs
.
.
. 44
Running
tests
.
.
.
.
.
.
.
.
.
.
.
.
.
. 44
Test
results
.
.
.
.
.
.
.
.
.
.
.
.
. 44
Fixed
disk
advanced
test
(FDAT)
.
.
.
.
.
. 45
Quick
and
Full
erase
-
hard
drive
.
.
.
.
.
. 46
Viewing
the
test
log
.
.
.
.
.
.
.
.
.
.
. 47
Chapter
6.
Using
the
Setup
Utility
.
.
. 49
Starting
the
Setup
Utility
program
.
.
.
.
.
.
. 49
Viewing
and
changing
settings
.
.
.
.
.
.
.
. 49
Using
passwords
.
.
.
.
.
.
.
.
.
.
.
. 49
Password
considerations
.
.
.
.
.
.
.
.
. 49
User
Password
.
.
.
.
.
.
.
.
.
.
.
. 50
Administrator
Password
.
.
.
.
.
.
.
.
. 50
Setting,
changing,
and
deleting
a
password
.
.
. 50
Using
Security
Profile
by
Device
.
.
.
.
.
.
. 50
Selecting
a
startup
device
.
.
.
.
.
.
.
.
.
. 51
Selecting
a
temporary
startup
device
.
.
.
.
. 51
Changing
the
startup
device
sequence
.
.
.
. 51
Advanced
settings
.
.
.
.
.
.
.
.
.
.
.
. 52
Exiting
from
the
Setup
Utility
program
.
.
.
.
. 52
Chapter
7.
Symptom-to-FRU
Index
.
.
. 53
Hard
disk
drive
boot
error
.
.
.
.
.
.
.
.
. 53
Power
Supply
Problems
.
.
.
.
.
.
.
.
.
. 53
Diagnostic
error
codes
.
.
.
.
.
.
.
.
.
.
. 54
Beep
symptoms
.
.
.
.
.
.
.
.
.
.
.
.
. 75
POST
error
codes
.
.
.
.
.
.
.
.
.
.
.
. 76
Miscellaneous
error
messages
.
.
.
.
.
.
.
. 78
Undetermined
problems
.
.
.
.
.
.
.
.
.
. 79
Chapter
8.
Replacing
FRUs
.
.
.
.
.
. 81
Locating
connectors
on
the
rear
of
your
computer
82
Opening
the
cover
.
.
.
.
.
.
.
.
.
.
.
. 83
Locating
FRUs
.
.
.
.
.
.
.
.
.
.
.
.
. 84
Identifying
parts
on
the
system
board
.
.
.
.
. 85
Replacing
a
memory
module
.
.
.
.
.
.
.
. 86
Replacing
the
power
supply
assembly
.
.
.
.
. 88
Replacing
the
system
board
.
.
.
.
.
.
.
.
. 90
Replacing
the
microprocessor
.
.
.
.
.
.
.
. 95
Replacing
a
hard
disk
drive
.
.
.
.
.
.
.
. 101
Replacing
an
optical
drive
.
.
.
.
.
.
.
.
. 104
Replacing
the
diskette
drive
.
.
.
.
.
.
.
. 105
Replacing
a
PCI
adapter
.
.
.
.
.
.
.
.
.
. 106
Replacing
the
fan
assembly
.
.
.
.
.
.
.
.
. 108
Replacing
the
internal
speaker
.
.
.
.
.
.
.
. 111
Replacing
the
power
button
and
LED
assembly
.
. 113
Completing
the
FRU
replacement
.
.
.
.
.
.
. 114
Updating
(flashing)
BIOS
from
a
diskette
or
CD-ROM
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 115
Chapter
9.
FRU
lists
.
.
.
.
.
.
.
. 117
Machine
Type
9300
.
.
.
.
.
.
.
.
.
.
. 117
Machine
Type
9301
.
.
.
.
.
.
.
.
.
.
. 123
Machine
Type
9636
.
.
.
.
.
.
.
.
.
.
. 128
Machine
Type
9638
.
.
.
.
.
.
.
.
.
.
. 131
Machine
Type
9640
.
.
.
.
.
.
.
.
.
.
. 142
Machine
Type
9641
.
.
.
.
.
.
.
.
.
.
. 147
Machine
Type
9642
.
.
.
.
.
.
.
.
.
.
. 152
Machine
Type
9643
.
.
.
.
.
.
.
.
.
.
. 164
Machine
Type
9644
.
.
.
.
.
.
.
.
.
.
. 170
Machine
Type
9645
.
.
.
.
.
.
.
.
.
.
. 181
Chapter
10.
Additional
Service
Information
.
.
.
.
.
.
.
.
.
.
.
. 197
Security
features
.
.
.
.
.
.
.
.
.
.
.
. 197
Hardware
controlled
Passwords
.
.
.
.
.
. 197
Operating
system
password
.
.
.
.
.
.
. 197
Vital
product
data
.
.
.
.
.
.
.
.
.
.
. 197
BIOS
levels
.
.
.
.
.
.
.
.
.
.
.
.
.
. 197
Flash
update
procedures
.
.
.
.
.
.
.
.
.
. 197
Updating
(flashing)
BIOS
from
a
diskette
.
.
. 198
Recovering
from
a
POST/BIOS
update
failure
.
. 198
Power
management
.
.
.
.
.
.
.
.
.
.
. 199
Automatic
configuration
and
power
interface
(ACPI)
BIOS
.
.
.
.
.
.
.
.
.
.
.
.
. 199
Automatic
Power-On
features
.
.
.
.
.
.
. 199
©
Copyright
Lenovo
2006
iii
Содержание ThinkCentre A55
Страница 1: ...Hardware Maintenance Manual Types 9636 9638 9640 9641 9642 9643 9644 9645 ...
Страница 2: ......
Страница 3: ...Hardware Maintenance Manual ...
Страница 6: ...Appendix Notices 201 Television output notice 202 Trademarks 202 iv Hardware Maintenance Manual ...
Страница 16: ...10 Hardware Maintenance Manual ...
Страница 17: ...Chapter 2 Safety information 11 ...
Страница 18: ... 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs 1 2 12 Hardware Maintenance Manual ...
Страница 22: ...16 Hardware Maintenance Manual ...
Страница 23: ...1 2 Chapter 2 Safety information 17 ...
Страница 24: ...18 Hardware Maintenance Manual ...
Страница 25: ...1 2 Chapter 2 Safety information 19 ...
Страница 32: ...26 Hardware Maintenance Manual ...
Страница 33: ...Chapter 2 Safety information 27 ...
Страница 34: ...1 2 28 Hardware Maintenance Manual ...
Страница 38: ...32 Hardware Maintenance Manual ...
Страница 39: ...1 2 Chapter 2 Safety information 33 ...
Страница 54: ...48 Hardware Maintenance Manual ...
Страница 102: ...96 Hardware Maintenance Manual ...
Страница 115: ...Chapter 8 Replacing FRUs 109 ...
Страница 122: ...116 Hardware Maintenance Manual ...
Страница 206: ...200 Hardware Maintenance Manual ...
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Страница 210: ...Part Number 42Y4652 Printed in USA 1P P N 42Y4652 ...