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Lenovo ThinkCentre M51 Hardware Maintenance Manual - Page 316

Cover, models, Power, Supply, models, China, CTO-A, CTO-L, CD-ROM, Drive, Black, DVD-ROM, 16X/48X

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Page 316 highlights

Machine Type 8424 1 2 3 14 13 12 8 9 10 4 5 6 7 11 Item # 8424 FRUs 1 Cover (all models) 2 Power Supply (225 Watt) (models CTO 11U 21U 71G 72G 73G 74G CAU CBU CCU 25M 32M 77G 78G 79G 7AG A1M 33M 34M 7BG 7DG 7EG 7FG A2M A3M 36U 37U 3DU 3AM 3BM 3CM 7GG 7HG 7JG 7KG 7LG C1U C2U C3U A4J A5J A6J A7J A8J A9J AAJ 12J 13J 14J 15J 16J 3EJ 3FJ) 2 Power Supply (225 Watt) (China) (models 23C 31C CTO-A CTO-L 38C 39C) 3 CD-ROM Drive 48X - Black w/o jack & vol (models 11U 21U CTO) 3 CD-ROM Drive 48X - Black w/o jack & vol (models 11U 21U CTO) 3 CD-ROM Drive 48X - Black w/o jack & vol (models 11U 21U CTO) 3 CD-ROM Drive 48X - Black w/o jack & vol (models 11U 21U CTO) 3 CD-ROM Drive 48X - Black w/o jack & vol (models CTO) 3 CD-ROM Drive 48X - Black w/o jack & vol (models CTO) 3 CD-ROM Drive 48X - Black w/o jack & vol (models CTO) 3 CD-ROM Drive 48X - Black w/o jack & vol (models CTO A2M 36U 37U 3DU A4J A5J A7J A8J 12J 13J 14J) 3 DVD-ROM 16X/48X - Black (models 23C 71G 73G CTO 79G 7AG 7BG) FRU# 26K1217 24R2567 24R2570 71P7371 71P7375 71P7385 71P7377 39M3507 39M3511 26K5445 40Y8807 33P3237 310 Hardware Maintenance Manual CRU ** ** *

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

8424

Item

8424

FRUs

FRU#

CRU

Cover

(all

models)

26K1217

Power

Supply

(225

Watt)

(models

CTO

11U

21U

71G

72G

73G

74G

CAU

CBU

CCU

25M

32M

77G

78G

79G

7AG

A1M

33M

34M

7BG

7DG

7EG

7FG

A2M

A3M

36U

37U

3DU

3AM

3BM

3CM

7GG

7HG

7JG

7KG

7LG

C1U

C2U

C3U

A4J

A5J

A6J

A7J

A8J

A9J

AAJ

12J

13J

14J

15J

16J

3EJ

3FJ)

24R2567

Power

Supply

(225

Watt)

(China)

(models

23C

31C

CTO-A

CTO-L

38C

39C)

24R2570

CD-ROM

Drive

48X

Black

w/o

jack

vol

(models

11U

21U

CTO)

71P7371

CD-ROM

Drive

48X

Black

w/o

jack

vol

(models

11U

21U

CTO)

71P7375

CD-ROM

Drive

48X

Black

w/o

jack

vol

(models

11U

21U

CTO)

71P7385

CD-ROM

Drive

48X

Black

w/o

jack

vol

(models

11U

21U

CTO)

71P7377

CD-ROM

Drive

48X

Black

w/o

jack

vol

(models

CTO)

39M3507

CD-ROM

Drive

48X

Black

w/o

jack

vol

(models

CTO)

39M3511

CD-ROM

Drive

48X

Black

w/o

jack

vol

(models

CTO)

26K5445

CD-ROM

Drive

48X

Black

w/o

jack

vol

(models

CTO

A2M

36U

37U

3DU

A4J

A5J

A7J

A8J

12J

13J

14J)

40Y8807

DVD-ROM

16X/48X

Black

(models

23C

71G

73G

CTO

79G

7AG

7BG)

33P3237

310

Hardware

Maintenance

Manual