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Lenovo ThinkCentre M51 Hardware Maintenance Manual - Page 208

GHZ, Celeron, Prescott, models, low-power

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Item # 8143 FRUs 9 3.06GHZ Celeron Prescott P4 (models CTO) 9 2.8GHZ Prescott P4 (models 11U CTO) 9 3.0GHZ Prescott P4 (models 21S 21P 21Y CTO 22B 22H 23G 24U 24F 24G 25A 25Q 25T CAU 26S 26P 26L 26Y 27U 28U 29U 2AU 2AF 2CU) 9 3.2GHZ Prescott P4 (models 31S 31P 31Y 32A 32T CTO 32U 33U 34U 34F 34S 34P 34L 34D 34Y 34G 34M 34A 34Q 34T 34C 34B 34H 34V 34K 34R 34E 34J 35C 35B 35H 35V 35K 36G CBU 37S 37P 37L 37Y 38U 38F 38S 38P 38L 38D 38Y 38G 38M 38A 38Q 38T 38C 38B 38H 38V 38K 38E 38J 39U 39A 39B 3CU 3CF 3DU 3DF 3DF 3DS 3DY) 9 3.4GHZ Prescott P4 (models CTO 4EC 4FC 4GU 4GF 4HJ 4JU 4JF 4KU 4LU 4LS 4LY 4MU 4MS 4MY 4NS 4NY CFU 4RG 4SG) 9 3.4GHZ Prescott P4 (low-power) (models CTO) 9 3.6GHZ Prescott P4 (models CTO) 9 3.8GHZ Prescott P4 (models CTO) 9 2.8GHZ Prescott P4 531 (models CTO 18U) 9 3.0GHZ Prescott P4 531 (models CTO 2DB 2DH 2EU 2EF 2EG 2FU 2FF 2FS 2FP 2FL 2FD 2FY 2FG 2FM 2FA 2FQ 2FT 2FC 2FB 2FH 2FV 2FK 2FJ 2GA 2GQ 2GT 2HU 2JU 2KU 2LU 2LG 2MU 2MF CHU) 9 3.2GHZ Prescott P4 541 (models CTO 3EU 3FC 3FB 3FH 3FV 3FK 3GU 3GF 3GS 3GP 3GL 3GD 3GY 3GG 3GM 3GA 3GQ 3GT 3GC 3GB 3GH 3GV 3GK 3GJ 3HU 3JA 3JQ 3JT 3KU 3LU 3MU 3MF 3NU 3NF 3NS 3NP 3NL 3ND 3NY 3NG 3NM 3NA 3NQ 3NT 3NC 3NB 3NH 3NV 3NK 3NJ 3PU 3PF CJU) 9 3.4GHZ Prescott P4 551 (models CTO 4TC 4UU 4VG 4WU 4WF 4XU 4XF 54U 54G 54A 54Q 54T 55U 56C 57U CKU) 9 3.6GHZ Prescott P4 561 (models CTO) 9 3.8GHZ Prescott P4 571 (models CTO) 9 3.0GHZ Prescott P4 (models CTO B1G B2G B3J B4J B5A B5Q B5T B6V B7K B8K B9K BAK BBU BBF BBS BBY BCC BDS BDY BDB BDH BEU BEF BES BEP BEL BED BEY BEG BEM BEA BEQ BET BEC BEB BEH BEV BEK BEJ BFU BGA BGQ BGT) 9 3.2GHZ Prescott P4 (models CTO D1J D2J D3G D4G D5A D5Q D5T D6U D6F D6S D6Y D6C D6V D7K D8K D9K DAS DAY DBU DCU DDU DDA DDQ DDT) 9 3.4GHZ Prescott P4 (models CTO) 9 3.6GHZ Prescott P4 (models CTO) 9 3.8GHZ Prescott P4 670 (models CTO) FRU# 41D0678 19R0495 19R0496 19R0497 19R0498 19R3011 19R0499 29R8211 39J9407 39J9409 39J9411 39J9413 41D0535 41D0537 39J6589 39J6591 39J6593 39J6595 41D0539 CRU ** ** ** ** ** ** ** ** ** ** ** ** ** 202 Hardware Maintenance Manual

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

Item

8143

FRUs

FRU#

CRU

3.06GHZ

Celeron

Prescott

(models

CTO)

41D0678

2.8GHZ

Prescott

(models

11U

CTO)

19R0495

3.0GHZ

Prescott

(models

21S

21P

21Y

CTO

22B

22H

23G

24U

24F

24G

25A

25Q

25T

CAU

26S

26P

26L

26Y

27U

28U

29U

2AU

2AF

2CU)

19R0496

3.2GHZ

Prescott

(models

31S

31P

31Y

32A

32T

CTO

32U

33U

34U

34F

34S

34P

34L

34D

34Y

34G

34M

34A

34Q

34T

34C

34B

34H

34V

34K

34R

34E

34J

35C

35B

35H

35V

35K

36G

CBU

37S

37P

37L

37Y

38U

38F

38S

38P

38L

38D

38Y

38G

38M

38A

38Q

38T

38C

38B

38H

38V

38K

38E

38J

39U

39A

39B

3CU

3CF

3DU

3DF

3DS

3DY)

19R0497

3.4GHZ

Prescott

(models

CTO

4EC

4FC

4GU

4GF

4HJ

4JU

4JF

4KU

4LU

4LS

4LY

4MU

4MS

4MY

4NS

4NY

CFU

4RG

4SG)

19R0498

3.4GHZ

Prescott

(low-power)

(models

CTO)

19R3011

3.6GHZ

Prescott

(models

CTO)

19R0499

3.8GHZ

Prescott

(models

CTO)

29R8211

2.8GHZ

Prescott

531

(models

CTO

18U)

39J9407

3.0GHZ

Prescott

531

(models

CTO

2DB

2DH

2EU

2EF

2EG

2FU

2FF

2FS

2FP

2FL

2FD

2FY

2FG

2FM

2FA

2FQ

2FT

2FC

2FB

2FH

2FV

2FK

2FJ

2GA

2GQ

2GT

2HU

2JU

2KU

2LU

2LG

2MU

2MF

CHU)

39J9409

3.2GHZ

Prescott

541

(models

CTO

3EU

3FC

3FB

3FH

3FV

3FK

3GU

3GF

3GS

3GP

3GL

3GD

3GY

3GG

3GM

3GA

3GQ

3GT

3GC

3GB

3GH

3GV

3GK

3GJ

3HU

3JA

3JQ

3JT

3KU

3LU

3MU

3MF

3NU

3NF

3NS

3NP

3NL

3ND

3NY

3NG

3NM

3NA

3NQ

3NT

3NC

3NB

3NH

3NV

3NK

3NJ

3PU

3PF

CJU)

39J9411

3.4GHZ

Prescott

551

(models

CTO

4TC

4UU

4VG

4WU

4WF

4XU

4XF

54U

54G

54A

54Q

54T

55U

56C

57U

CKU)

39J9413

3.6GHZ

Prescott

561

(models

CTO)

41D0535

3.8GHZ

Prescott

571

(models

CTO)

41D0537

3.0GHZ

Prescott

(models

CTO

B1G

B2G

B3J

B4J

B5A

B5Q

B5T

B6V

B7K

B8K

B9K

BAK

BBU

BBF

BBS

BBY

BCC

BDS

BDY

BDB

BDH

BEU

BEF

BES

BEP

BEL

BED

BEY

BEG

BEM

BEA

BEQ

BET

BEC

BEB

BEH

BEV

BEK

BEJ

BFU

BGA

BGQ

BGT)

39J6589

3.2GHZ

Prescott

(models

CTO

D1J

D2J

D3G

D4G

D5A

D5Q

D5T

D6U

D6F

D6S

D6Y

D6C

D6V

D7K

D8K

D9K

DAS

DAY

DBU

DCU

DDU

DDA

DDQ

DDT)

39J6591

3.4GHZ

Prescott

(models

CTO)

39J6593

3.6GHZ

Prescott

(models

CTO)

39J6595

3.8GHZ

Prescott

670

(models

CTO)

41D0539

202

Hardware

Maintenance

Manual