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Item # 9945 FRUs 5 Hard disk drive, SATA 160GB 7200RPM/3Gb/8MB (models A3U A3F A5U A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S A8D A8Y A9U A9F A9S A9D A9Y) 5 Hard disk drive, SATA 250GB 7200RPM/3Gb/8MB (models A1V A2V) 5 Hard disk drive, SATA 320GB 7200rpm SATA/8MB (models) 5 Hard disk drive, SATA 500GB 7200RPM/3Gb/s/8MB (models) 5 Hard disk drive, 250GB, 7200RPM, SATA (models A1V A2V) 5 Hard disk drive, 320GB 7200rpm SATA/8MB (models) 5 Hard disk drive, SATA 500GB 7200RPM/3Gb/s/8MB (models) 6 Diskette drive, 3.5" 1.44MB 2 Mode FDD with Bezel and cable (models) 6 Diskette drive, 3.5" 1.44MB 2 Mode FDD with Bezel and cable (models) 7 Front USB/Audio with bracket (all models) 8 Memory module, 512 MB PC2-5300 (667MHz) DDR2 SDRAM (models) 8 Memory module, 512MB PC2-6400 (800MHz) DDR2 SDRAM (models) 8 Memory module, 1GB PC2-6400 (667MHz) DDR2 SDRAM (models) 8 Memory module, 2GB PC2-6400 (667MHz) DDR2 SDRAM (models A3U A3F) 9 System board, Planar AMD RS780 mATX (TOWER &ROCKYS) (models A1V A2V A3U A3F A5U A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S A8D A8Y A9U A9F A9S A9D A9Y) 9 System board, Planar AMD RS780 mATX GA Level - TPM Disable for Russia (models) 9 System board, Planar AMD RS780 mATX GA Level - Support Phenom II X2 555 (models 91Z) 9 System board, Planar AMD RS780 mATX GA Level -Support Win7 and AM3 C2 CPU (models 91Z) 10 Power Supply, ATX 280 Watt world wide (models A1V A2V A3U A3F A5U A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S A8D A8Y A9U A9F A9S A9D A9Y) 10 Power Supply, ATX 280 Watt 80% world wide and Japan (models A1V A2V A3U A3F A5U A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S A8D A8Y A9U A9F A9S A9D A9Y) 10 Power Supply, ATX 310 Watt world wide and Japan (models A1V A2V A3U A3F A5U A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S A8D A8Y A9U A9F A9S A9D A9Y) 10 Power Supply, 220 Watt world wide (models A1V A2V A3U A3F A5U A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S A8D A8Y A9U A9F A9S A9D A9Y) 10 Power Supply, 220 Watt only for Japan (models) 10 Power Supply, 220 Watt 80% world wide and Japan (models A1V A2V A3U A3F A5U A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S A8D A8Y A9U A9F A9S A9D A9Y) 10 Power Supply, 280 Watt TFX Active PFC, world wide and Japan (models A1V A2V A3U A3F A5U A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S A8D A8Y A9U A9F A9S A9D A9Y) FRU# 53Y6837 45K0408 45K0409 45K0410 40Y9036 87H4891 41X5582 40Y9105 40Y9107 41N8212 41X4255 41X1079 41X1080 41X1081 71Y5724 71Y4994 89Y1346 89Y1809 41A9684 41A9665 41A9726 41A9689 41A9697 41A9670 41A9705 CRU 2 2 2 2 2 2 2 2 2 2 2 2 2 2 N N N N 2 2 2 N N N N The FRUs listed in the following tables are not illustrated. Chapter 10 FRU lists 427

Section	Page
Chapter 1. About this manual	7
Important Safety Information	7
Important information about replacing RoHS compliant FRUs	7
Chapter 2. Safety information	9
General safety	9
Electrical safety	9
Voltage-selection switch	11
Safety inspection guide	11
Handling electrostatic discharge-sensitive devices	12
Grounding requirements	12
Safety notices (multi-lingual translations)	12
Chapter 3. General information	35
The ThinkVantage Productivity Center program	35
Additional information resources	35
Specifications	35
For machine types: 7057, 7062, 7092, 9342, 9344, 9354, 9426, 948	35
For machine types: 7061, 7090, 9353, 9421, 9485, 9623, 9625, 970	35
Chapter 4. General Checkout	37
Problem determination tips	37
Chapter 5. Diagnostics	39
Lenovo System Toolbox	39
PC-Doctor for Windows PE	39
Running diagnostics from the Rescue and Recovery workspace	39
PC-Doctor for DOS	40
Creating a diagnostic CD image	40
Creating diagnostic diskettes	40
Running diagnostics from the CD or diskettes	40
Navigating through the diagnostics programs	41
Running tests	41
Viewing the test log	42
Chapter 6. Using the Setup Utility	45
Starting the Setup Utility program	45
Viewing and changing settings	45
Using passwords	45
Password considerations	45
User Password	46
Administrator Password	46
Setting, changing, and deleting a password	46
Enabling or disabling a device	46
Selecting a startup device	47
Selecting a temporary startup device	47
Selecting or changing the startup device sequence	47
Exiting from the Setup Utility program	47
Chapter 7. Symptom-to-FRU Index	49
Hard disk drive boot error	49
Power Supply Problems	49
Diagnostic error codes	50
Beep symptoms	67
POST error codes	68
Miscellaneous error messages	69
Undetermined problems	71
Chapter 8. Replacing FRUs (Types 7061, 7090, 9353, 9421, 9485, 9	73
Locating controls and connectors on the front of your computer	73
Rear connectors	73
Removing the cover	74
Locations	75
Locating parts on the system board	77
Removing and replacing the front bezel	77
Replacing the power supply	78
Replacing the system board	79
Replacing the microprocessor	83
Replacing a memory module	85
Replacing a PCI adapter card	86
Replacing the hard disk drive	88
Replacing an optical drive	90
Replacing the diskette drive	91
Replacing the rear fan assembly	92
Replacing the front fan assembly	93
Replacing the front audio/USB assembly	95
Replacing the power switch/LED assembly	95
Replacing the CMOS battery	96
Completing the FRU replacement	97
Chapter 9. Replacing FRUs (Types 7057, 7062, 7092, 9342, 9344, 9	99
Rear connectors	99
Removing the cover	100
Locations	100
Locating parts on the system board	101
Accessing system board components and drives	102
Replacing a memory module	103
Replacing the CMOS battery	104
Replacing the power supply	105
Replacing the system board	106
Replacing the microprocessor	110
Replacing the hard disk drive	112
Replacing an optical drive	114
Replacing the diskette drive	115
Replacing the power switch/LED assembly	115
Replacing the front panel card	116
Replacing the system fan assembly	117
Replacing a PCI adapter card	118
Completing the FRU replacement	119
Chapter 10. FRU lists	121
Machine Type 3656	121
Machine Type 3658	134
Machine Type 7057	147
Machine Type 7061	161
Machine Type 7062	174
Machine Type 7090	188
Machine Type 7092	201
Machine Type 9342	214
Machine Type 9344	227
Machine Type 9353	240
Machine Type 9354	253
Machine Type 9421	266
Machine Type 9426	279
Machine Type 9485	292
Machine Type 9486	308
Machine Type 9623	324
Machine Type 9624	337
Machine Type 9625	350
Machine Type 9705	364
Machine Type 9707	377
Machine Type 9795	391
Machine Type 9804	404
Machine Type 9935	417
Machine Type 9945	431
Machine Type 9946	445
Machine Type 9953	458
Chapter 11. Additional Service Information	473
Security features	473
Hardware controlled Passwords	473
Operating system password	473
Vital product data	473
BIOS levels	473
Flash update procedures	473
Updating (flashing) BIOS from a diskette	474
Recovering from a POST/BIOS update failure	474
Power management	474
Automatic configuration and power interface (ACPI) BIOS	474
Automatic Power-On features	474
Appendix A. Notices	477
Television output notice	478
Trademarks	478
Television output notice	478

Match case Limit results 1 per page

Item

9945 FRUs

FRU#

CRU

Hard disk drive, SATA 160GB 7200RPM/3Gb/8MB (models A3U A3F A5U A5F A5S

A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S A8D A8Y

A9U A9F A9S A9D A9Y)

53Y6837

Hard disk drive, SATA 250GB 7200RPM/3Gb/8MB (models A1V A2V)

45K0408

Hard disk drive, SATA 320GB 7200rpm SATA/8MB (models)

45K0409

Hard disk drive, SATA 500GB 7200RPM/3Gb/s/8MB (models)

45K0410

Hard disk drive, 250GB, 7200RPM, SATA (models A1V A2V)

40Y9036

Hard disk drive, 320GB 7200rpm SATA/8MB (models)

87H4891

Hard disk drive, SATA 500GB 7200RPM/3Gb/s/8MB (models)

41X5582

Diskette drive, 3.5" 1.44MB 2 Mode FDD with Bezel and cable (models)

40Y9105

Diskette drive, 3.5" 1.44MB 2 Mode FDD with Bezel and cable (models)

40Y9107

Front USB/Audio with bracket (all models)

41N8212

Memory module, 512 MB PC2-5300 (667MHz) DDR2 SDRAM (models)

41X4255

Memory module, 512MB PC2-6400 (800MHz) DDR2 SDRAM (models)

41X1079

Memory module, 1GB PC2-6400 (667MHz) DDR2 SDRAM (models)

41X1080

Memory module, 2GB PC2-6400 (667MHz) DDR2 SDRAM (models A3U A3F)

41X1081

System board, Planar AMD RS780 mATX (TOWER &ROCKYS) (models A1V A2V A3U

A3F A5U A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F

A8S A8D A8Y A9U A9F A9S A9D A9Y)

71Y5724

System board, Planar AMD RS780 mATX GA Level - TPM Disable for Russia (models)

71Y4994

System board, Planar AMD RS780 mATX GA Level - Support Phenom II X2 555

(models 91Z)

89Y1346

System board, Planar AMD RS780 mATX GA Level -Support Win7 and AM3 C2 CPU

(models 91Z)

89Y1809

Power Supply, ATX 280 Watt world wide (models A1V A2V A3U A3F A5U A5F A5S

A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S A8D A8Y

A9U A9F A9S A9D A9Y)

41A9684

Power Supply, ATX 280 Watt 80% world wide and Japan (models A1V A2V A3U A3F

A5U A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F

A8S A8D A8Y A9U A9F A9S A9D A9Y)

41A9665

Power Supply, ATX 310 Watt world wide and Japan (models A1V A2V A3U A3F A5U

A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S

A8D A8Y A9U A9F A9S A9D A9Y)

41A9726

Power Supply, 220 Watt world wide (models A1V A2V A3U A3F A5U A5F A5S A5D

A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S A8D A8Y A9U

A9F A9S A9D A9Y)

41A9689

Power Supply, 220 Watt only for Japan (models)

41A9697

Power Supply, 220 Watt 80% world wide and Japan (models A1V A2V A3U A3F A5U

A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F A8S

A8D A8Y A9U A9F A9S A9D A9Y)

41A9670

Power Supply, 280 Watt TFX Active PFC, world wide and Japan (models A1V A2V A3U

A3F A5U A5F A5S A5D A5Y A6U A6F A6S A6D A6Y A7U A7F A7S A7D A7Y A8U A8F

A8S A8D A8Y A9U A9F A9S A9D A9Y)

41A9705

The FRUs listed in the following tables are not illustrated.

Chapter 10 FRU lists

427