Lenovo ThinkCentre A51 Hardware Maintenance Manual - Page 148

8107 Keyboards (Fingerprint Keyboard)

FRU#

CRU

Tier

RoHS

Compliant?

Serbian/Cyrillic (models CTO-G)

41A5278

1

Y

Slovak (models CTO-G)

41A5279

1

Y

Spanish (models CTO-G)

41A5280

1

Y

Swedish/Finn (models CTO-G)

41A5281

1

Y

Swiss French/German (models CTO-G)

41A5282

1

Y

Thailand (models CTO-A)

41A5283

1

Y

Turkish (models CTO-G)

41A5284

1

Y

Turkish (models CTO-G)

41A5285

1

Y

UK English (models CTO-G)

41A5286

1

Y

US Euro (models CTO-G)

41A5287

1

Y

Slovenian (models CTO-G)

41A5288

1

Y

8107 Keyboards (Perferred PRO fullsize keyboard PS/2)

FRU#

CRU

Tier

RoHS

Compliant?

US English (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5039

1

Y

Arabic/French (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5041

1

Y

Belgian/French (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5042

1

Y

Belgian/English (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5043

1

Y

Brazil/Portuguese (modelsCTO-L A1P A2P B1P B2P B3P 11P 12P 21P 31P D1P

E1P E2P 61P 62P 91P 92P 93P)

41A5044

1

Y

Bulgarian (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5045

1

Y

Chinese/US (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5046

1

Y

Czech (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5047

1

Y

Danish (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5048

1

Y

Dutch (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5049

1

Y

French (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5050

1

Y

French Canadian 445 (models CTO-U)

41A5051

1

Y

French Canadian 58 (models CTO-U)

41A5052

1

Y

German (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5053

1

Y

Greek (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5054

1

Y

Greek/US (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5080

1

Y

Hebrew (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5055

1

Y

Hungarian (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5056

1

Y

Iceland (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5057

1

Y

Italian (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5058

1

Y

LA Spanish (models CTO-L A1S A2S B1S B2S B3S 11S 12S 21S 31S D1S E1S

A1Y A2Y B1Y B2Y B3Y 11Y 12Y 21Y 31Y D1Y E1Y 61S 62S 61Y 62Y 91S 91Y 92S

92Y 93S 93Y)

41A5061

1

Y

Norwegian (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5062

1

Y

Polish (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5063

1

Y

Portuguese (models CTO-G 71G 72G 73G 74G 75G 76G 77G 78G 79G)

41A5064

1

Y

142

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	10
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
Specifications	48
Chapter 4. General Checkout	49
Problem determination tips	50
Chapter 5. Diagnostics using PC-Doctor for DOS	53
Starting PC-Doctor from the Rescue and Recovery workspace	53
Starting PC-Doctor from a diagnostic diskette or CD-ROM	54
Diagnostics program download	54
Navigating through the diagnostics programs	54
Running diagnostics tests	54
Test selection	55
Test results	55
Fixed disk advanced test (FDAT)	55
Quick and Full erase - hard drive	57
Viewing the test log	58
Chapter 6. Using the Setup Utility	59
Starting the Setup Utility program	59
Viewing and changing settings	59
Exiting from the Setup Utility program	59
Using passwords	59
Password considerations	60
User Password	60
Administrator Password	60
IDE Drive User Password	60
IDE Drive Master Password	60
Setting, changing, and deleting a password	61
Using Security Profile by Device	61
Selecting a startup device	62
Selecting a temporary startup device	62
Changing the startup device sequence	62
Advanced settings	62
Chapter 7. Symptom-to-FRU Index	63
Hard disk drive boot error	63
Power Supply Errors	63
Diagnostic error codes	65
Beep symptoms	86
No-beep symptoms	88
POST error codes	89
Miscellaneous error messages	92
Undetermined problems	94
Chapter 8. FRU lists	95
Machine Type 8104	95
Machine Type 8105	116
Machine Type 8106	129
Machine Type 8107	139
Machine Type 8108	152
Machine Type 8109	164
Machine Type 8118	175
Machine Type 8121	188
Chapter 9. Additional Service Information	201
Security features	201
Hardware controlled Passwords	201
Operating system password	201
Vital product data	201
Management Information Format (MIF)	201
BIOS levels	202
Flash update procedures	202
Updating (flashing) BIOS from a diskette or CD-ROM	202
Updating (flashing) BIOS from your operating system	202
Recovering from a POST/BIOS update failure	203
Power management	204
Automatic configuration and power interface (ACPI) BIOS	204
Automatic Power-On features	204
Recovering software using the Rescue and Recovery program	205
Starting the Rescue and Recovery workspace	205
Appendix. Notices	207
Television output notice	208

Lenovo ThinkCentre A51 Hardware Maintenance Manual - Page 148

Keyboards Fingerprint Keyboard, Compliant?, Keyboards Perferred PRO fullsize keyboard PS/2

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