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Lenovo ThinkCentre A51 Hardware Maintenance Manual - Page 313

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8423 Fingerprint Keyboards Arabic (models 7HG) Arabic/French (models 7HG) Belgian/French (models 7HG) Belgian/UK (models 7HG) Bulgarian (models 7HG) Czech (models 7HG) Danish (models 7HG) Dutch (models 7HG) French (models 7HG) German (models 7HG) Greek (models 7HG) Hebrew (models 7HG) Hungarian (models 7HG) Iceland (models 7HG) Italian 141 (models 7HG) Japanese (models 78J 79J A2J A3J 7AJ 7BJ 7CJ 7DJ 1FJ 1GJ 1HJ 1JJ) Norwegian (models) Polish (models 7HG) Portuguese (models) Romanian 096 (models 7HG) Romanian 446 (models 7HG) Russian/Cyrillic (models 7HG) Serbian/Cyrillic (models 7HG) Slovak (models 7HG) Spanish (models 7HG) Swedish/Finn (models 7HG) Swiss F/G (models 7HG) Turkish 440 (models 7HG) Turkish 179 (models 7HG) UK English (models 7HG) US Euro (models 7HG) Yugoslav/Latin (models 7HG) FRU# 89P9001 89P9002 89P9003 89P9004 89P9006 89P9008 89P9009 89P9010 89P9011 89P9014 89P9015 89P9016 89P9017 89P9018 89P9019 89P9020 89P9023 89P9024 89P9025 89P9027 89P9026 89P9028 89P9029 89P9030 89P9031 89P9032 89P9033 89P9035 89P9036 89P9037 89P9038 89P9039 CRU 8423 Power Cords Power cord (models 31S 31D 41S 41D 51S 51D 21S 21D 32S 32D 51U 12U 21U 21A 21T 25U 25F 31U 32U 33A 33T 36U 36F 41U 41F 51U 51F CAU CBU CCU CDU CFU 26U 13U 27G 71G 72G A1U A1F A1S A1D 14V 15A 15G 15T 37G 38G 39S 39D 44S 44D 45S 45D 52S 52D 61A 61T 62S 62D 63U 63S CGU B1G D1G E1G F1G 73G 74G 75G 76G 77G 2DS 3BS 2EU 2EF 7HG) Power cord (ANZ) (models 42M 34M 35M 23M 3AM B4M B5M B6M) Power cord (EMEA, ANZ, ASEAN Eng, Korea) (models 27G 71G 72G 15G 37G 38G B1G D1G E1G F1G 73G 74G 75G 76G 77G B3K 7HG) FRU# 6952301 13F9939 13F9978 CRU * * * Chapter 11. FRU lists 307

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

8423

Fingerprint

Keyboards

FRU#

CRU

Arabic

(models

7HG)

89P9001

Arabic/French

(models

7HG)

89P9002

Belgian/French

(models

7HG)

89P9003

Belgian/UK

(models

7HG)

89P9004

Bulgarian

(models

7HG)

89P9006

Czech

(models

7HG)

89P9008

Danish

(models

7HG)

89P9009

Dutch

(models

7HG)

89P9010

French

(models

7HG)

89P9011

German

(models

7HG)

89P9014

Greek

(models

7HG)

89P9015

Hebrew

(models

7HG)

89P9016

Hungarian

(models

7HG)

89P9017

Iceland

(models

7HG)

89P9018

Italian

141

(models

7HG)

89P9019

Japanese

(models

78J

79J

A2J

A3J

7AJ

7BJ

7CJ

7DJ

1FJ

1GJ

1HJ

1JJ)

89P9020

Norwegian

(models)

89P9023

Polish

(models

7HG)

89P9024

Portuguese

(models)

89P9025

Romanian

096

(models

7HG)

89P9027

Romanian

446

(models

7HG)

89P9026

Russian/Cyrillic

(models

7HG)

89P9028

Serbian/Cyrillic

(models

7HG)

89P9029

Slovak

(models

7HG)

89P9030

Spanish

(models

7HG)

89P9031

Swedish/Finn

(models

7HG)

89P9032

Swiss

F/G

(models

7HG)

89P9033

Turkish

440

(models

7HG)

89P9035

Turkish

179

(models

7HG)

89P9036

English

(models

7HG)

89P9037

Euro

(models

7HG)

89P9038

Yugoslav/Latin

(models

7HG)

89P9039

8423

Power

Cords

FRU#

CRU

Power

cord

(models

31S

31D

41S

41D

51S

51D

21S

21D

32S

32D

51U

12U

21U

21A

21T

25U

25F

31U

32U

33A

33T

36U

36F

41U

41F

51U

51F

CAU

CBU

CCU

CDU

CFU

26U

13U

27G

71G

72G

A1U

A1F

A1S

A1D

14V

15A

15G

15T

37G

38G

39S

39D

44S

44D

45S

45D

52S

52D

61A

61T

62S

62D

63U

63S

CGU

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G

2DS

3BS

2EU

2EF

7HG)

6952301

Power

cord

(ANZ)

(models

42M

34M

35M

23M

3AM

B4M

B5M

B6M)

13F9939

Power

cord

(EMEA,

ANZ,

ASEAN

Eng,

Korea)

(models

27G

71G

72G

15G

37G

38G

B1G

D1G

E1G

F1G

73G

74G

75G

76G

77G

B3K

7HG)

13F9978

Chapter

11.

FRU

lists

307