Lenovo ThinkStation 6423 User manual

ThinkStation
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.
Second Edition (July 2008)
©Copyright Lenovo 2005, 2008.
Portions ©Copyright International Business Machines Corporation 2005.
All rights reserved.
LENOVO products, data, computer software, and services have been developed exclusively at private expense and
are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted
rights to use, reproduction and disclosure.
LIMITED AND RESTRICTED RIGHTS NOTICE: If products, data, computer software, or services are delivered
pursuant aGeneral Services Administration ″GSA″contract, use, reproduction, or disclosure is subject to restrictions
set forth in Contract No. GS-35F-05925.

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 internal components........8
Identifying parts on the system board .....9
Chapter 3. Installing options and
replacing hardware .........11
Installing external options .........11
Installing internal options .........12
Opening the cover ...........12
Removing the front bezel .........14
Accessing system board components and drives 15
Installing internal drives .........17
Erasing alost or forgotten password (clearing
CMOS) ................23
Replacing the battery ...........24
Replacing the power supply assembly .....25
Replacing an adapter card .........28
Replacing the heat sink ..........30
Replacing ahard disk drive .........31
Replacing the optical drive .........33
Replacing the diskette drive or optional card reader 34
Installing or replacing amemory module ....36
Replacing the fan assembly .........37
Replacing the internal speaker ........39
Replacing the keyboard ..........41
Replacing the mouse ...........42
Chapter 4. Completing the parts
replacement ............43
Updating (flashing) BIOS from adiskette or
CD-ROM ...............43
Recovering from aPOST/BIOS update failure ...45
Obtaining device drivers ..........45
Chapter 5. Security features .....47
Locking devices .............47
Password protection ...........48
Appendix. Notices ..........49
Television output notice ..........50
Trademarks ..............50
Index ...............51
©Lenovo 2005, 2008. Portions ©IBM Corp. 2005. iii

iv ThinkStation Hardware Installation and Replacement Guide

Figures
1. Controls and connectors.........5
2. Connector locations ..........6
3. Component locations..........8
4. System board parts locations .......9
5. Removing the cover..........13
6. Removing the front bezel ........14
7. Accessing the system board .......16
8. Drive bay locations ..........18
9. Installing an optical drive ........19
10. Installing an optical drive ........20
11. Installing anew drive .........22
12. Battery removal ...........24
13. Battery installation ..........24
14. System-board connectors ........25
15. Replacing the power supply retaining screws 26
16. Removing the power supply .......27
17. Installing an adapter card ........29
18. Removing the heat sink ........30
19. Removing the hard disk drive ......32
20. Replacing the hard disk drive ......33
21. Removing the diskette drive or optional card
reader drive ............34
22. Removing the diskette drive or optional card
reader drive ............35
23. Replacing the diskette drive or optional card
reader drive ............35
24. Memory modules ..........36
25. Removing amemory module ......37
26. Installing amemory module .......37
27. Removing the fan assembly .......38
28. Removing the internal speaker ......39
29. Keyboard connectors, standard and USB 41
30. Replacing amouse ..........42
31. Integrated cable lock .........47
©Lenovo 2005, 2008. Portions ©IBM Corp. 2005. v

vi ThinkStation 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 the safety information reduces the risk of personal injury
and 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, 2008. Portions ©IBM Corp. 2005. 1

2ThinkStation Hardware Installation and Replacement Guide