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Lenovo ThinkCentre A51 Hardware Maintenance Manual - Page 201

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8142 Keyboards (Preferred Pro Fullsize) French Canadian 58 (models CTO-U 31F 37F 38F 2FF 3FF 3NF BDF) German (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Greek (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Hebrew (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Hungarian (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Iceland (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Italian 141 (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Italian 142 (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Japanese (models 31J 37J 38J 2FJ 3FJ 3NJ BDJ) Korean (models 31K 37K 38K 2FK 3FK 3NK BDK) LA Spanish (models 31S 31D 31Y 37S 37D 37Y 38S 38D 38Y CTO-L 2FS 2FD 2FY 3FS 3FD 3FY 3NS 3ND 3NY BDS BDD BDY) Norwegian (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Polish (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Portuguese (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Romanian (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Russian (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Russian/Cyrillic (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Serbian/Cyrillic (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Slovak (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Spanish (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Swedish/Finn (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Swiss F/G (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Thailand (models 31T 37T 38T 2FT 2GT 3FT 3GT 3NT BDT E1T) Turkish 440 (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Turkish 179 (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) UK English (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) US Euro (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Yugoslav/Latin (models CTO-G 31G 37G 38G 2FG 3FG 3NG BDG) Brazil/Portugese (models 31P 37P 38P CTO-L 2FP 3FP 3NP BDP) FRU# 89P8312 89P8313 89P8314 89P8315 89P8316 89P8317 89P8318 89P8319 89P8320 89P8321 89P8322 89P8323 89P8324 89P8325 89P8326 89P8327 89P8328 89P8329 89P8330 89P8331 89P8332 89P8333 89P8334 89P8335 89P8336 89P8337 89P8338 89P8339 89P8304 CRU 8142 Power Cords Power cord (models 31U 31F 31S 31P 31L 31D 31G 31A 31T 31V 37U 37F 37S 37P 37L 37D 37G 37A 37T 37V 38U 38F 38S 38P 38D 38G 38A 38T 38V 2FU 2FF 2FS 2FP 2FL 2FD 2FG 2FA 2FT 2FV 2GA 2GT 3FU 3FF 3FS 3FP 3FL 3FD 3FG 3FA 3FT 3FV 3GA 3GT 3NU 3NF 3NS 3NP 3NL 3ND 3NG 3NA 3NT 3NV BDU BDF BDS BDP BDL BDD BDG BDA BDT BDV E1A E1T) Power cord (ANZ) (models 31M 32M 33M 3AM 37M B1M 38M 2FM 3FM 3NM D1M D2M D3M D4M BDM) Power cord (EMEA, ANZ, ASEAN Eng, Korea) (models 31G 31K 37G 37K 38G 38K 38R 2FG 2FK 3FG 3FK 3NG 3NK BDG BDK) Power cord (EMEA, ANZ, ASEAN Eng, HK Eng) (models 31G 31H 37G 37H 38G 38H 2FG 2FH 3FG 3FH 3NG 3NH BDG BDH) FRU# 6952301 13F9939 13F9978 14F0032 CRU * * * * Chapter 11. FRU lists 195

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

8142

Keyboards

(Preferred

Pro

Fullsize)

FRU#

CRU

French

Canadian

(models

CTO-U

31F

37F

38F

2FF

3FF

3NF

BDF)

89P8312

German

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8313

Greek

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8314

Hebrew

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8315

Hungarian

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8316

Iceland

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8317

Italian

141

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8318

Italian

142

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8319

Japanese

(models

31J

37J

38J

2FJ

3FJ

3NJ

BDJ)

89P8320

Korean

(models

31K

37K

38K

2FK

3FK

3NK

BDK)

89P8321

Spanish

(models

31S

31D

31Y

37S

37D

37Y

38S

38D

38Y

CTO-L

2FS

2FD

2FY

3FS

3FD

3FY

3NS

3ND

3NY

BDS

BDD

BDY)

89P8322

Norwegian

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8323

Polish

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8324

Portuguese

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8325

Romanian

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8326

Russian

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8327

Russian/Cyrillic

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8328

Serbian/Cyrillic

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8329

Slovak

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8330

Spanish

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8331

Swedish/Finn

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8332

Swiss

F/G

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8333

Thailand

(models

31T

37T

38T

2FT

2GT

3FT

3GT

3NT

BDT

E1T)

89P8334

Turkish

440

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8335

Turkish

179

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8336

English

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8337

Euro

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8338

Yugoslav/Latin

(models

CTO-G

31G

37G

38G

2FG

3FG

3NG

BDG)

89P8339

Brazil/Portugese

(models

31P

37P

38P

CTO-L

2FP

3FP

3NP

BDP)

89P8304

8142

Power

Cords

FRU#

CRU

Power

cord

(models

31U

31F

31S

31P

31L

31D

31G

31A

31T

31V

37U

37F

37S

37P

37L

37D

37G

37A

37T

37V

38U

38F

38S

38P

38D

38G

38A

38T

38V

2FU

2FF

2FS

2FP

2FL

2FD

2FG

2FA

2FT

2FV

2GA

2GT

3FU

3FF

3FS

3FP

3FL

3FD

3FG

3FA

3FT

3FV

3GA

3GT

3NU

3NF

3NS

3NP

3NL

3ND

3NG

3NA

3NT

3NV

BDU

BDF

BDS

BDP

BDL

BDD

BDG

BDA

BDT

BDV

E1A

E1T)

6952301

Power

cord

(ANZ)

(models

31M

32M

33M

3AM

37M

B1M

38M

2FM

3FM

3NM

D1M

D2M

D3M

D4M

BDM)

13F9939

Power

cord

(EMEA,

ANZ,

ASEAN

Eng,

Korea)

(models

31G

31K

37G

37K

38G

38K

38R

2FG

2FK

3FG

3FK

3NG

3NK

BDG

BDK)

13F9978

Power

cord

(EMEA,

ANZ,

ASEAN

Eng,

Eng)

(models

31G

31H

37G

37H

38G

38H

2FG

2FH

3FG

3FH

3NG

3NH

BDG

BDH)

14F0032

Chapter

11.

FRU

lists

195