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