Lenovo THINKCENTRE 9120 Parts list manual

ThinkCentre
Hardware Installation and Replacement Guide
Machine Types 9120, 9127, 9129, 9134, 9136, 9139, 9141, 9143, 9156,
9158, 9171, 9191

ThinkCentre
Hardware Installation and Replacement
Guide

Note
Before using this information and the product it supports, be sure to read and understand the Safety and Warranty Guide for
this product and “Notices,” on page 49.
First Edition (June 2007)
©Copyright Lenovo 2005, 2007.
Portions ©Copyright International Business Machines Corporation 2005.
All rights reserved.
U.S. GOVERNMENT USERS –RESTRICTED RIGHTS: Our products and/or services are provided with
RESTRICTED RIGHTS. Use, duplication or disclosure by the Government is subject to the GSA ADP Schedule
contract with Lenovo Group Limited, if any, or the standard terms of this commercial license, or if the agency is
unable to accept this Program under these terms, then we provide this Program under the provisions set forth in
Commercial Computer Software–Restricted Rights at FAR 52.227-19, when applicable, or under Rights in
Data-General, FAR 52.227.14 (Alternate III).

Contents
Figures ...............v
Chapter 1. Important safety information 1
Chapter 2. Overview .........3
Additional information resources .......3
Handling static-sensitive devices........4
Locations ...............5
Locating controls and connectors on the front of
your computer.............5
Locating connectors on the rear of your computer 6
Locating components ..........8
Identifying parts on the system board .....9
Chapter 3. Installing options and
replacing hardware .........11
Installing external options .........11
Removing the cover ...........11
Removing and replacing the front bezel .....12
Installing internal options .........14
Installing memory ...........14
Installing PCI adapters .........15
Installing internal drives .........18
Connecting drives ...........21
Replacing the battery ...........23
Replacing the power supply assembly .....24
Replacing the heat sink ..........25
Replacing ahard disk drive .........26
Replacing an optical drive .........29
Replacing the diskette drive .........31
Replacing amemory module ........32
Replacing aPCI adapter ..........33
Replacing the front fan assembly .......36
Replacing the rear fan assembly .......37
Replacing the keyboard ..........39
Replacing the mouse ...........41
Chapter 4. Completing the parts
replacement ............43
Obtaining device drivers ..........44
Chapter 5. Security features .....45
Integrated cable lock ...........45
Padlock................46
Password protection ...........46
Erasing alost or forgotten password (clearing
CMOS) ................46
Appendix. Notices ..........49
Television output notice ..........50
Trademarks ..............50
Index ...............51
©Lenovo 2005, 2007. Portions ©IBM Corp. 2005. iii

iv Hardware Installation and Replacement Guide

Figures
1. Controls and connectors.........5
2. Connector locations ..........6
3. Component locations..........8
4. Component locations..........9
5. Removing the computer cover ......12
6. Removing the front bezel ........13
7. Open the retaining clips ........14
8. Installing the memory module ......15
9. Opening the adapter latch .......16
10. Closing the adapter latch ........17
11. Drive bay locations ..........19
12. Locating the spare retainer bracket .....20
13. Installing aretainer bracket .......21
14. Installing anew drive .........21
15. Connecting aparallel ATA drive .....22
16. Connecting aserial ATA drive ......22
17. Removing the battery .........23
18. Installing the battery .........23
19. Removing the power supply screws ....24
20. Removing the heat sink ........25
21. Installing the new heat sink .......26
22. Removing the hard disk drive ......27
23. Installing the hard disk drive into bracket 28
24. Installing the hard disk drive and bracket 29
25. Removing the optical drive .......30
26. Retainer bracket for optical drive .....30
27. Removing the diskette drive .......31
28. Retainer bracket for diskette drive .....32
29. Removing the memory module ......32
30. Installing the new memory module ....33
31. Removing the PCI adapter .......34
32. Install anew PCI adapter ........35
33. Removing the rear fan assembly .....38
34. Replacing the rear fan assembly......39
35. Keyboard connectors, standard and USB 40
36. Mouse connectors, standard and USB ....41
37. Replacing the computer cover ......43
38. Installing the integrated cable lock .....45
39. Installing apadlock ..........46
©Lenovo 2005, 2007. Portions ©IBM Corp. 2005. v

vi Hardware Installation and Replacement Guide

Chapter 1. Important safety information
CAUTION:
Before using this manual, it is important that you read and understand all the
related safety information for this product. Refer to the Safety and Warranty Guide
that you received with this product for the latest safety information. Reading
and understanding this safety information reduces the risk of personal injury
and or damage to your product.
If you no longer have acopy of the Safety and Warranty Guide,you can obtain one
online from the Lenovo Support Web site at:
http://www.lenovo.com/support.
©Lenovo 2005, 2007. Portions ©IBM Corp. 2005. 1

2Hardware Installation and Replacement Guide

Chapter 2. Overview
This guide provides information about replacing Customer Replaceable Units
(CRUs).
This guide does not include procedures for all parts. It is expected that cables,
switches, and certain mechanical parts be replaced by trained service personnel
without the need for step-by-step procedures.
Note: Use only parts provided by Lenovo™.
This guide contains instructions for installing and or replacing the following parts:
vBattery
vFront bezel
vPower supply
vHeat sink
vHard disk drive
vOptical drive
vDiskette drive
vMemory modules
vPCI adapter
vFront fan assembly
vRear fan assembly
vKeyboard
vMouse
Additional information resources
If you have Internet access, the most up-to-date information for your computer is
available from the World Wide Web.
You can find:
vCRU removal and installation information
vCRU removal and installation videos
vPublications
vTroubleshooting information
vParts information
vDownloads and drivers
vLinks to other useful sources of information
vSupport phone list
To access this information, point your browser to:
http://www.lenovo.com/support
©Lenovo 2005, 2007. Portions ©IBM Corp. 2005. 3

Handling static-sensitive devices
Do not open the static-protective package containing the new part until the
defective part has been removed from the computer and you are ready to install
the new part. Static electricity, although harmless to you, can seriously damage
computer components and parts.
When you handle parts and other computer components, take these precautions to
avoid static-electricity damage:
vLimit your movement. Movement can cause static electricity to build up around
you.
vAlways handle parts and other computer components carefully. Handle
adapters, memory modules, system boards, and microprocessors by the edges.
Never touch any exposed circuitry.
vPrevent others from touching the parts and other computer components.
vBefore you replace anew part, touch the static-protective package containing the
part to ametal expansion-slot cover or other unpainted metal surface on the
computer for at least two seconds. This reduces static electricity in the package
and your body.
vWhen possible, remove the new part from the static-protective packaging, and
install it directly in the computer without setting the part down. When this is
not possible, place the static-protective package that the part came in on a
smooth, level surface and place the part on it.
vDo not place the part on the computer cover or other metal surface.
4Hardware Installation and Replacement Guide

Locations
This chapter provides illustrations to help locate the various connectors, controls,
and components of the computer.
Locating controls and connectors on the front of your
computer
Figure 1shows the location of the controls and connectors on the front of your
computer.
Note: Not all computer models will have the following controls and connections.
1 USB connector 3 Microphone connector
2 Headphone connector 4 USB connector
Figure 1. Controls and connectors
Chapter 2. Overview 5

Locating connectors on the rear of your computer
Figure 2shows the location of connectors on the rear of your computer. Some
connectors on the rear of your computer are color-coded to help you determine
where to connect the cables on your computer.
1 Power supply diagnostic
LEDs (some models)
10 Ethernet connector
2 Voltage selection switch
(some models)
11 USB connectors (2)
3 Power connector 12 Microphone connector
4 Standard mouse connector 13 Audio line out connector
5 Standard keyboard connector 14 Audio line in connector
6 Serial connector 15 PCI Express x1 adapter connector
7 Parallel connector 16 PCI Express x16 graphics adapter connector
8 VGA monitor connector 17 PCI adapter connectors (2)
9 USB connectors (2)
Figure 2. Connector locations
6Hardware Installation and Replacement Guide

Connector Description
Standard mouse connector Used to attach amouse, trackball, or other pointing device that
uses astandard mouse connector.
Standard keyboard
connector
Used to attach akeyboard that uses astandard keyboard
connector.
Serial connector Used to attach an external modem, serial printer, or other
devices that use a9-pin serial connector.
Parallel connector Used to attach aparallel printer, parallel scanner, or other
devices that use a25-pin parallel connector.
USB connectors Used to attach adevice that requires aUniversal Serial Bus
(USB) connection, such as aUSB keyboard, USB mouse, USB
scanner or USB printer. If you have more than six USB devices,
you can purchase aUSB hub, which you can use to connect
additional USB devices.
Ethernet connector Used to attach an Ethernet cable for alocal area network
(LAN).
Note: To operate the computer within FCC Class Blimits, use
aCategory 5Ethernet cable.
Audio-line-out connector Used to send audio signals from the computer to external
devices, such as powered stereo speakers (speakers with
built-in amplifiers), headphones, multimedia keyboards, or the
audio line in connector on astereo system or other external
recording device.
Audio-line-in connector Used to receive audio signals from an external audio device,
such as astereo system. When you attach an external audio
device, acable is connected between the audio line out
connector of the device and the audio line in connector of the
computer.
Chapter 2. Overview 7

Locating components
To remove the computer cover, see “Removing the cover” on page 11.
Figure 3shows the location of the various components in your computer.
1 Microprocessor fan and heat
sink
5 PCI adapter connector
2 Memory modules 6 PCI Express x1 adapter connector
3 PCI Express x16 graphics
adapter connector
7 Rear fan assembly
4 PCI adapter card 8 Power supply
Figure 3. Component locations
8Hardware Installation and Replacement Guide

Identifying parts on the system board
Figure 4shows the location of parts on the system board.
1 Microprocessor fan connector 14 Front USB connectors (2)
2 Microprocessor and heat sink 15 Battery
3 Memory connector 116 Clear CMOS/Recovery jumper
4 Memory connector 217 Serial (COM) connector
5 Memory connector 318 PCI adapter connectors (2)
6 Memory connector 419 Mono (speaker) connector
7 Cover presence switch connector 20 Front audio connector
8 Diskette drive connector 21 CD-IN connector
9 IDE connector 22 PCI Express x16 graphics adapter
connector
10 Power connector 23 PCI Express x1 adapter connector
11 Power fan connector 24 System fan connector
12 SATA IDE connectors (4) 25 12 Vpower connector
13 Front panel connector
Figure 4. Component locations
Chapter 2. Overview 9

10 Hardware Installation and Replacement Guide

Chapter 3. Installing options and replacing hardware
This chapter provides an introduction to the features and options that are available
for your computer. You can expand the capabilities of your computer by adding
memory, adapters, or drives. When installing an option, use these instructions
along with the instructions that come with the option.
Attention
Do not open your computer or attempt any repair before reading the “Important safety
information” in the Safety and Warranty Guide that was included with your computer. To
obtain acopy of the Safety and Warranty Guide,go to the Support Web site at
http://www.lenovo.com/support.
Note: Use only parts provided by Lenovo.
Installing external options
External speakers, aprinter, or ascanner can be connected to your computer. For
some external options, you must install additional software in addition to making
the physical connection. When adding an external option, see “Locating connectors
on the rear of your computer” on page 6and “Locating controls and connectors on
the front of your computer” on page 5to identify the required connector, and then
use the instructions that are included with the option to help you make the
connection and install any software or device drivers that are required for the
option.
Removing the cover
Important
Turn off the computer and wait 3to 5minutes to let the computer cool
before removing the computer cover.
This section provides instructions on how to remove the computer cover.
1. Remove any media (diskettes, CDs, or tapes) from the drives, shut down your
operating system, and turn off all attached devices and the computer.
2. Unplug all power cords from electrical outlets.
3. Disconnect the cables attached to the computer. This includes power cords,
input/output (I/O) cables, and any other cables that are connected to the
computer. See “Locating controls and connectors on the front of your
computer” on page 5and “Locating connectors on the rear of your computer”
on page 6.
4. Remove any locking devices, such as acable lock that secures the computer
cover.
©Lenovo 2005, 2007. Portions ©IBM Corp. 2005. 11

5. If there are thumbscrews securing the cover, remove them.
6. Press the cover-release button on the side of the computer cover, slide the cover
to the rear, and then remove the cover.
Removing and replacing the front bezel
This section provides instructions on how to remove and replace the front bezel.
1. Remove the computer cover. See “Removing the cover” on page 11.
Figure 5. Removing the computer cover
12 Hardware Installation and Replacement Guide