Home » Lenovo Manuals » Desktops » Lenovo ThinkCentre M51 » Manual Viewer

Lenovo ThinkCentre M51 Hardware Maintenance Manual - Page 325

Lenovo ThinkCentre M51 Manual

Get Lenovo ThinkCentre M51 PDF manuals and user guides

View all Lenovo ThinkCentre M51 manuals

Add to My Manuals
Save this manual to your list of manuals

Page 325 highlights

Machine Type 8425 1 2 3 14 13 12 8 9 10 4 5 6 7 11 Item # 8425 FRUs 1 Cover (all models) 2 Power Supply (225 Watt) (models 21J 22J 23J 32E 32J 33J 34J 71G 72G 31A 31T A1J A2J A3J A4J 11J 12J 13J 14M 24J 35J 73G 37M 19J 1AJ 1BJ CTO A5J A6J A7J A8J A9J AGJ AAJ ABJ ACJ ADJ AEJ AFJ B1J B2J B3J B4J BBJ BCJ B5J B6J B7J B8J B9J BAJ 1CJ 1DJ 1EJ 1GU 1HJ 1JJ 1KJ 1MJ 1NJ 1PJ 27U 28U 29J 2AJ 2BJ 2CJ 2EJ 2FJ 38U 39J 3AJ 3DJ 44J 45J 47U 48J 74U 75U 76U 77U 1RJ 2GJ 2HJ 3EJ 1VJ AHJ AJJ AKJ ALJ AMJ ANJ BDJ BEJ BFJ BGJ BHJ BJJ BKJ BLJ BMJ BNJ BPJ 1SJ 1TJ 1UJ 2JJ 2KJ 2LJ 2MJ 2NU 2NF 2PJ 2QJ 2RU 2RF 2SJ 2TU 2TF 3FU 3FF 3GA 3GT 3HU 3HF 3JJ 3KJ D2J) 2 Power Supply (China) (225 Watt) (models 31Q 31B 31H 31V 15S 18S 19S 25S 36S CTO-A CTO-L 3CS 49S 3GQ) 3 CD-ROM Drive 48X - Black w/o jack & vol (models 21J 23J 32E 32J 34J 71G 72G CTO A1J A2J A4J 11J 12J 24J 35J 15S 19S 19J 1AJ A5J A7J A9J AGJ AAJ ACJ ADJ AFJ B1J B3J BBJ BCJ B5J B7J B9J BAJ 1CJ 1DJ 1GU 1HJ 1JJ 1MJ 1NJ 27U 28U 29J 2AJ 2CJ 2EJ 38U 3AJ 3DJ 45J 47U 48J) 3 CD-ROM Drive 48X - Black w/o jack & vol (models 21J 23J 32E 32J 34J 71G 72G CTO A1J A2J A4J 11J 12J 24J 35J 15S 19S 19J 1AJ A5J A7J A9J AGJ AAJ ACJ ADJ AFJ B1J B3J BBJ BCJ B5J B7J B9J BAJ 1CJ 1DJ 1GU 1HJ 1JJ 1MJ 1NJ 27U 28U 29J 2AJ 2CJ 2EJ 38U 3AJ 3DJ 45J 47U 48J) FRU# 26K1217 24R2567 24R2570 71P7371 71P7375 CRU ** ** ** * * Chapter 11. FRU lists 319

Section	Page
Contents	5
Chapter 1. About this manual	7
Important Safety Information	7
Strategy for replacing FRUs for CTO, CMV, and GAV products	8
Product definition	8
FRU Identification for CTO, CMV, and GAV products	8
Using PEW	8
Using eSupport	9
Using the HMM	9
Important information about replacing RoHS compliant FRUs	9
Chapter 2. Safety information	11
General safety	11
Electrical safety	11
Safety inspection guide	13
Handling electrostatic discharge-sensitive devices	14
Grounding requirements	14
Safety notices (multi-lingual translations)	15
Chapter 3. General information	47
The Access IBM program	47
Additional information resources	47
Physical specifications	47
Types 8095, 8096, 8141, 8142, 8145, 8420, and 8421	48
Types 8097, 8143, 8144, 8146, 8422, 8423 and 8427	49
Types 8098, 8171, 8172, 8173, 8424, and 8425	50
Chapter 4. General Checkout	51
Problem determination tips	52
Chapter 5. Diagnostics using PC-Doctor for DOS	55
Starting PC-Doctor from the Rescue and Recovery workspace	55
Starting PC-Doctor from a diagnostic diskette or CD-ROM	56
Diagnostics program download	56
Navigating through the diagnostics programs	56
Running diagnostics tests	56
Test selection	57
Test results	57
Fixed disk advanced test (FDAT)	57
Quick and Full erase - hard drive	59
Viewing the test log	60
Chapter 6. Using the Setup Utility	61
Starting the Setup Utility program	61
Viewing and changing settings	61
Exiting from the Setup Utility program	61
Using passwords	61
Password considerations	62
User Password	62
Administrator Password	62
IDE Drive User Password	62
IDE Drive Master Password	62
Setting, changing, and deleting a password	63
Using Security Profile by Device	63
Selecting a startup device	64
Selecting a temporary startup device	64
Changing the startup device sequence	64
Advanced settings	64
Chapter 7. Symptom-to-FRU Index	65
Hard disk drive boot error	65
Power Supply Errors	65
Diagnostic error codes	67
Beep symptoms	88
No-beep symptoms	90
POST error codes	91
Miscellaneous error messages	94
Undetermined problems	96
Chapter 8. Replacing FRUs (Types 8095, 8141, 8142, 8145, 8420, and 8421)	97
Locating controls and connectors on the front of the computer	97
Locating connectors on the rear of the computer	98
Removing the cover	98
Locating components	100
Identifying parts on the system board	101
Removing and replacing memory	102
Removing and replacing a PCI adapter	103
Removing and replacing the battery	104
Removing and replacing the power supply	105
Removing and replacing the system board	107
Removing and replacing the microprocessor	109
Removing and replacing the hard disk drive	115
Removing and replacing the optical drive	116
Removing and replacing the diskette drive	117
Removing and replacing the fan assembly	118
Closing the cover and connecting cables	119
Chapter 9. Replacing FRUs (Types 8143, 8144, 8146, 8422, 8423, and 8427)	121
Locating controls and connectors on the front of the computer	121
Locating connectors on the rear of the computer	122
Removing the cover	122
Locating components	123
Identifying parts on the system board	124
Removing and replacing memory	125
Removing and replacing a PCI adapter	126
Removing and replacing the battery	127
Removing and replacing the power supply	127
Removing and replacing the system board	130
Removing and replacing the microprocessor	132
Removing and replacing the hard disk drive	137
Removing and replacing the optical drive	138
Removing and replacing the diskette drive	139
Removing and replacing the fan assembly	140
Replacing the cover and connecting the cables	141
Chapter 10. Replacing FRUs (Types 8098, 8171, 8172, 8173, 8424, and 8425)	143
Locating controls and connectors on the front of the computer	143
Locating connectors on the rear of the computer	144
Opening the cover	144
Locating components	145
Identifying parts on the system board	146
Removing and replacing memory	147
Replacing a PCI adapter	148
Removing and replacing the battery	149
Removing and replacing the power supply	149
Removing and replacing the system board	152
Removing and replacing the microprocessor	153
Removing and replacing the hard disk drive	158
Removing and replacing the optical drive	159
Removing and replacing the diskette drive	160
Removing and replacing the fan assembly	160
Removing and replacing the internal speaker	163
Removing and replacing the power button and LED assembly	163
Closing the cover and connecting cables	165
Chapter 11. FRU lists	167
Machine Type 8095	167
Machine Type 8098	173
Machine Type 8141	178
Machine Type 8142	193
Machine Type 8143	204
Machine Type 8144	220
Machine Type 8145	230
Machine Type 8146	237
Machine Type 8171	243
Machine Type 8172	261
Machine Type 8173	271
Machine Type 8420	278
Machine Type 8421	286
Machine Type 8422	293
Machine Type 8423	304
Machine Type 8424	316
Machine Type 8425	325
Machine Type 8427	334
Chapter 12. Additional Service Information	343
Security features	343
Hardware controlled Passwords	343
Operating system password	343
Vital product data	343
Management Information Format (MIF)	343
BIOS levels	344
Flash update procedures	344
Updating (flashing) BIOS from a diskette or CD-ROM	344
Updating (flashing) BIOS from your operating system	344
Recovering from a POST/BIOS update failure	345
Power management	346
Automatic configuration and power interface (ACPI) BIOS	346
Automatic Power-On features	346
Recovering software using the Rescue and Recovery program	347
Starting the Rescue and Recovery workspace	347
Appendix. Notices	349
Television output notice	350

Match case Limit results 1 per page

Machine

Type

8425

Item

8425

FRUs

FRU#

CRU

Cover

(all

models)

26K1217

Power

Supply

(225

Watt)

(models

21J

22J

23J

32E

32J

33J

34J

71G

72G

31A

31T

A1J

A2J

A3J

A4J

11J

12J

13J

14M

24J

35J

73G

37M

19J

1AJ

1BJ

CTO

A5J

A6J

A7J

A8J

A9J

AGJ

AAJ

ABJ

ACJ

ADJ

AEJ

AFJ

B1J

B2J

B3J

B4J

BBJ

BCJ

B5J

B6J

B7J

B8J

B9J

BAJ

1CJ

1DJ

1EJ

1GU

1HJ

1JJ

1KJ

1MJ

1NJ

1PJ

27U

28U

29J

2AJ

2BJ

2CJ

2EJ

2FJ

38U

39J

3AJ

3DJ

44J

45J

47U

48J

74U

75U

76U

77U

1RJ

2GJ

2HJ

3EJ

1VJ

AHJ

AJJ

AKJ

ALJ

AMJ

ANJ

BDJ

BEJ

BFJ

BGJ

BHJ

BJJ

BKJ

BLJ

BMJ

BNJ

BPJ

1SJ

1TJ

1UJ

2JJ

2KJ

2LJ

2MJ

2NU

2NF

2PJ

2QJ

2RU

2RF

2SJ

2TU

2TF

3FU

3FF

3GA

3GT

3HU

3HF

3JJ

3KJ

D2J)

24R2567

Power

Supply

(China)

(225

Watt)

(models

31Q

31B

31H

31V

15S

18S

19S

25S

36S

CTO-A

CTO-L

3CS

49S

3GQ)

24R2570

CD-ROM

Drive

48X

Black

w/o

jack

vol

(models

21J

23J

32E

32J

34J

71G

72G

CTO

A1J

A2J

A4J

11J

12J

24J

35J

15S

19S

19J

1AJ

A5J

A7J

A9J

AGJ

AAJ

ACJ

ADJ

AFJ

B1J

B3J

BBJ

BCJ

B5J

B7J

B9J

BAJ

1CJ

1DJ

1GU

1HJ

1JJ

1MJ

1NJ

27U

28U

29J

2AJ

2CJ

2EJ

38U

3AJ

3DJ

45J

47U

48J)

71P7371

CD-ROM

Drive

48X

Black

w/o

jack

vol

(models

21J

23J

32E

32J

34J

71G

72G

CTO

A1J

A2J

A4J

11J

12J

24J

35J

15S

19S

19J

1AJ

A5J

A7J

A9J

AGJ

AAJ

ACJ

ADJ

AFJ

B1J

B3J

BBJ

BCJ

B5J

B7J

B9J

BAJ

1CJ

1DJ

1GU

1HJ

1JJ

1MJ

1NJ

27U

28U

29J

2AJ

2CJ

2EJ

38U

3AJ

3DJ

45J

47U

48J)

71P7375

Chapter

11.

FRU

lists

319