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Item # 9120 FRUs 3 Memory module, 1 GB PC2-5300 (667MHz) DDR2 SDRAM (models A2K A1K A3J 71G 72G AGU AGF AHU AHF AJU AJF) 3 Memory module, 2 GB PC2-5300 (667MHz) DDR2 SDRAM (models CTO) 3 Memory module, 512 MB PC2-6400 (800MHz) DDR2 SDRAM (models CTO) 3 Memory module, 1GB PC-6400 (800MHz) DDR2 SDRAM (models CTO) 3 Memory module, 2GB PC-6400 (800MHz) DDR2 SDRAM (models CTO) 4 DVD-ROM drive - 16x/48x - SATA XP and Vista (models A4U A4F) 4 DVD-ROM/CD-RW Combo Drive - 48x/32x/48x/16x - SATA vista and XP (models CTO AGU AGF AHU AHF) 4 DVD-ROM Drive - 16x/48x - SATA With DVD Playback XP & Vista (models A4U A4F) 4 DVD-RW/CD-RW Rambo 8 - SATA with DVD Playback XP & Vista (models A3J 71G 72G AJU AJF) 5 Diskette drive, 3,5″, 1.44MB, 2-mode, (w/bezel) (models A3J 71G 72G) 5 Diskette drive, 3,5″, 1.44MB, 2-mode, (w/bezel) (models A3J 71G 72G) 6 Bezel assembly, without IBM® Mark (all models) 7 Power switch/LED assembly (all models) 8 Speaker assembly, soldered terminals (all models) 9 Front audio/USB assembly (all models) 10 Hard disk drive, SATA 80GB 7200RPM/3Gb/8MB (models A4U A4F AGU AGF) 10 Hard disk drive, 160GB, 7200RPM, SATA (models A3J AHU AHF AJU AJF) 10 Hard disk drive, SATA 250GB 7200RPM/3Gb/8MB (models A2K 71G 72G) 10 Hard disk drive, SATA 320GB 7200RPM/8MB (models A3K) 10 Hard disk drive, 500GB, 7200RPM, SATA/8MB (models CTO) 11 System board, AMD 690G GA Level second source (models A3J A4U A2K A1K A4F 71G 72G AGU AGF AHU AHF AJU AJF) 11 System board, AMD 690G GA Level (models A3J A4U A2K A1K A4F 71G 72G AGU AGF AHU AHF AJU AJF) 11 System board, RS690 (AMD AM2 Sempron, Athlon64, Athlon64x2; Gb LAN) PCB 2.0 GA Level (models A3J A4U A2K A1K A4F 71G 72G AGU AGF AHU AHF AJU AJF) 11 System board, RS690 (AMD AM2 Sempron, Athlon64, Athlon64x2; Gb LAN) PCB 2.1 GA Level (models A3J A4U A2K A1K A4F 71G 72G AGU AGF AHU AHF AJU AJF) 12 System fan, rear (all models) 13 ATX 280W Power supply; Robust (models CTO) 13 ATX 280W 80% power supply (models A4U A2K A1K A3J A4F 71G 72G AGU AGF AHU AHF AJU AJF) 13 ATX 310W Power supply, Robust (models CTO AGU AGF AHU AHF AJU AJF) FRU# 41X4256 41X4257 41X1079 41X1080 41X1081 41X3325 42Y9353 41N3325 43C1042 40Y9105 40Y9107 41R6243 41N5284 39P5023 41N8054 40Y9034 40Y9035 40Y9036 87H4891 41X5582 42Y9916 45R5616 45C3281 46R6474 41R6046 41A9684 41A9665 24R2598 CRU 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 N N N N 2 N N N The FRUs listed in the following tables are not illustrated. 9120 FRUs Shield, 5.25 EMC (all models) Shield, EMC, blank diskette drive bay (all models) FRU# 41N8080 41N8078 CRU 2 2 Chapter 10. FRU lists 143

Section	Page
Contents	5
Chapter 1. About this manual	7
Important Safety Information	7
Important information about replacing RoHS compliant FRUs	8
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	13
Safety notices (multi-lingual translations)	13
Chapter 3. General information	45
The ThinkVantage® Productivity Center program	45
Additional information resources	45
Specifications	46
Machine types: 9120, 9127, 9129, 9134, 9136, 9139, 9141, 9143, 9156, 9158, 9171, and 9191.	46
Machine types: 9126, 9128, 9130, 9135, 9137, 9140, 9142, 9144, 9157, 9159, 9169, and 9189.	47
Chapter 4. General Checkout	49
Problem determination tips	49
Chapter 5. Diagnostics	51
PC-Doctor for Windows	51
PC-Doctor for Windows PE	51
Running diagnostics from the Rescue and Recovery workspace	52
PC-Doctor for DOS	52
Creating a diagnostic CD image	52
Creating diagnostic diskettes	52
Running diagnostics from the CD or diskettes	53
Navigating through the diagnostics programs	53
Running tests	53
Test results	54
Quick and Full erase - hard drive	54
Viewing the test log	55
Chapter 6. Using the Setup Utility	57
Starting the Setup Utility program	57
Viewing and changing settings	57
Using passwords	57
Password considerations	57
User Password	58
Administrator Password	58
Setting, changing, and deleting a password	58
Selecting a startup device	58
Selecting a temporary startup device	58
Selecting or changing the startup device sequence	59
Advanced settings	59
Exiting from the Setup Utility program	59
Chapter 7. Symptom-to-FRU Index	61
Hard disk drive boot error	61
Power Supply Problems	61
Diagnostic error codes	63
Beep symptoms	84
POST error codes	85
Miscellaneous error messages	87
Undetermined problems	88
Chapter 8. Replacing FRUs (Machine types: 9120, 9127, 9129, 9134, 9136, 9139, 9141, 9143, 9156, 9158, 9171, and 9191.)	91
Rear connectors	92
Removing the computer cover	93
Locations	94
Locating parts on the system board	95
Removing and reinstalling the front bezel	95
Replacing the power supply	96
Replacing the system board	98
Replacing the microprocessor	102
Replacing a memory module	105
Replacing a PCI adapter card	106
Replacing the hard disk drive	108
Replacing the optical drive	111
Replacing the diskette drive	112
Replacing the front fan assembly	113
Replacing the rear fan assembly	116
Replacing the front audio/USB assembly	117
Replacing the power switch/LED assembly	118
Replacing the CMOS battery	119
Completing the FRU replacement	120
Chapter 9. Replacing FRUs (Machine types: 9126, 9128, 9130, 9135, 9137, 9140, 9142, 9144, 9157, 9159, 9169, and 9189.)	121
Rear connectors	122
Removing the computer cover	123
Locations	124
Locating parts on the system board	125
Accessing the system board components and drives	125
Replacing a memory module	127
Replacing the CMOS battery	129
Replacing the power supply	130
Replacing the system board	132
Replacing the microprocessor	135
Replacing the hard disk drive	138
Replacing the optical drive	140
Replacing the diskette drive	141
Replacing the power switch/LED assembly	142
Replacing the front panel card	143
Replacing the system fan assembly	144
Replacing a PCI adapter card	145
Completing the FRU replacement	146
Chapter 10. FRU lists	147
Machine Type 9120	147
Machine Type 9126	161
Machine Type 9129	170
Machine Type 9134	179
Machine Type 9135	191
Machine Type 9136	200
Machine Type 9137	213
Machine Type 9140	226
Machine Type 9141	239
Machine Type 9142	252
Machine Type 9143	265
Machine Type 9144	280
Machine Type 9156	295
Machine Type 9157	309
Machine Type 9158	320
Machine Type 9159	334
Machine Type 9169	348
Machine Type 9171	361
Machine Type 9189	375
Machine Type 9191	388
Chapter 11. Additional Service Information	401
Security features	401
Hardware controlled Passwords	401
Operating system password	401
Vital product data	401
BIOS levels	401
Flash update procedures	402
Updating (flashing) BIOS from a diskette	402
Recovering from a POST/BIOS update failure	402
Power management	403
Automatic configuration and power interface (ACPI) BIOS	403
Automatic Power-On features	403
Appendix. Notices	405
Television output notice	406

Match case Limit results 1 per page

Item

9120

FRUs

FRU#

CRU

Memory

module,

PC2-5300

(667MHz)

DDR2

SDRAM

(models

A2K

A1K

A3J

71G

72G

AGU

AGF

AHU

AHF

AJU

AJF)

41X4256

Memory

module,

PC2-5300

(667MHz)

DDR2

SDRAM

(models

CTO)

41X4257

Memory

module,

512

PC2-6400

(800MHz)

DDR2

SDRAM

(models

CTO)

41X1079

Memory

module,

1GB

PC-6400

(800MHz)

DDR2

SDRAM

(models

CTO)

41X1080

Memory

module,

2GB

PC-6400

(800MHz)

DDR2

SDRAM

(models

CTO)

41X1081

DVD-ROM

drive

16x/48x

SATA

and

Vista

(models

A4U

A4F)

41X3325

DVD-ROM/CD-RW

Combo

Drive

48x/32x/48x/16x

SATA

vista

and

(models

CTO

AGU

AGF

AHU

AHF)

42Y9353

DVD-ROM

Drive

16x/48x

SATA

With

DVD

Playback

Vista

(models

A4U

A4F)

41N3325

DVD-RW/CD-RW

Rambo

SATA

with

DVD

Playback

Vista

(models

A3J

71G

72G

AJU

AJF)

43C1042

Diskette

drive,

3,5

″

1.44MB,

2-mode,

(w/bezel)

(models

A3J

71G

72G)

40Y9105

Diskette

drive,

3,5

″

1.44MB,

2-mode,

(w/bezel)

(models

A3J

71G

72G)

40Y9107

Bezel

assembly,

without

IBM

Mark

(all

models)

41R6243

Power

switch/LED

assembly

(all

models)

41N5284

Speaker

assembly,

soldered

terminals

(all

models)

39P5023

Front

audio/USB

assembly

(all

models)

41N8054

Hard

disk

drive,

SATA

80GB

7200RPM/3Gb/8MB

(models

A4U

A4F

AGU

AGF)

40Y9034

Hard

disk

drive,

160GB,

7200RPM,

SATA

(models

A3J

AHU

AHF

AJU

AJF)

40Y9035

Hard

disk

drive,

SATA

250GB

7200RPM/3Gb/8MB

(models

A2K

71G

72G)

40Y9036

Hard

disk

drive,

SATA

320GB

7200RPM/8MB

(models

A3K)

87H4891

Hard

disk

drive,

500GB,

7200RPM,

SATA/8MB

(models

CTO)

41X5582

System

board,

AMD

690G

Level

second

source

(models

A3J

A4U

A2K

A1K

A4F

71G

72G

AGU

AGF

AHU

AHF

AJU

AJF)

42Y9916

System

board,

AMD

690G

Level

(models

A3J

A4U

A2K

A1K

A4F

71G

72G

AGU

AGF

AHU

AHF

AJU

AJF)

45R5616

System

board,

RS690

(AMD

AM2

Sempron,

Athlon64,

Athlon64x2;

LAN)

PCB

2.0

Level

(models

A3J

A4U

A2K

A1K

A4F

71G

72G

AGU

AGF

AHU

AHF

AJU

AJF)

45C3281

System

board,

RS690

(AMD

AM2

Sempron,

Athlon64,

Athlon64x2;

LAN)

PCB

2.1

Level

(models

A3J

A4U

A2K

A1K

A4F

71G

72G

AGU

AGF

AHU

AHF

AJU

AJF)

46R6474

System

fan,

rear

(all

models)

41R6046

ATX

280W

Power

supply;

Robust

(models

CTO)

41A9684

ATX

280W

80%

power

supply

(models

A4U

A2K

A1K

A3J

A4F

71G

72G

AGU

AGF

AHU

AHF

AJU

AJF)

41A9665

ATX

310W

Power

supply,

Robust

(models

CTO

AGU

AGF

AHU

AHF

AJU

AJF)

24R2598

The

FRUs

listed

the

following

tables

are

not

illustrated.

9120

FRUs

FRU#

CRU

Shield,

5.25

EMC

(all

models)

41N8080

Shield,

EMC,

blank

diskette

drive

bay

(all

models)

41N8078

Chapter

10.

FRU

lists

143