background image

5.

   

Position

 

the

 

replacement

 

memory

 

module

 

over

 

the

 

memory

 

connector.

 

Make

 

sure

 

that

 

the

 

notch

 

1

on

 

the

 

memory

 

module

 

aligns

 

correctly

 

with

 

the

 

connector

 

key

2

 

on

 

the

 

system

 

board.

 

Push

 

the

 

memory

 

module

 

straight

 

down

 

into

 

the

 

memory

 

connector

 

until

 

the

 

retaining

 

clips

 

close.

 

  

  

6.

   

Go

 

to

 

“Completing

 

the

 

parts

 

replacement”

 

on

 

page

 

26.

Replacing

 

a

 

PCI

 

adapter

 

 

Attention

 

Do

 

not

 

open

 

your

 

computer

 

or

 

attempt

 

any

 

repair

 

before

 

reading

 

the

 

“Important

 

safety

 

information”

 

in

 

the

 

Quick

 

Reference

 

that

 

was

 

included

 

with

 

your

 

computer

 

or

 

in

 

the

 

Hardware

 

Maintenance

 

Manual

 

(HMM)

 

for

 

the

 

computer.

 

To

 

obtain

 

copies

 

of

 

the

 

Quick

 

Reference

 

or

 

HMM

,

 

go

 

to

 

http://www.ibm.com/pc/support/.

  

This

 

section

 

provides

 

instructions

 

on

 

how

 

to

 

replace

 

a

 

PCI

 

adapter.

 

 

1.

   

Open

 

the

 

computer

 

cover.

 

See

 

“Opening

 

the

 

cover”

 

on

 

page

 

5.

 

 

2.

   

Pivot

 

the

 

drive

 

bay

 

assembly

 

upward

 

to

 

gain

 

access

 

to

 

the

 

system

 

board.

 

  

  

 

3.

   

Locate

 

the

 

cable

 

clip.

 

See

 

“Locating

 

components”

 

on

 

page

 

3.

 

 

4.

   

Remove

 

all

 

cables

 

from

 

the

 

cable

 

clip

 

attached

 

to

 

the

 

PCI

 

riser.

 

 

22

 

Hardware

 

Replacement

 

Guide

Summary of Contents for ThinkCentre 8105

Page 1: ...ThinkCentre Hardware Replacement Guide Types 8104 8105 8106 8107 Types 8108 8109 8117 8118 Types 8119 8120 8121 ...

Page 2: ......

Page 3: ...ThinkCentre Hardware Replacement Guide Types 8104 8105 8106 8107 Types 8108 8109 8117 8118 Types 8119 8120 8121 ...

Page 4: ...n April 2005 Copyright International Business Machines Corporation 2005 All rights reserved US Government Users Restricted Rights Use duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp ...

Page 5: ...r 2 Locating components 3 Identifying parts on the system board 4 Chapter 2 Replacing hardware 5 Opening the cover 5 Replacing the power supply 6 Replacing the system board 8 Replacing the microprocessor 13 Replacing the hard disk drive 17 Replacing the optical drive 19 Replacing a memory module 20 Replacing a PCI adapter 22 Replacing the internal speaker 23 Replacing a keyboard 25 Replacing a mou...

Page 6: ...iv Hardware Replacement Guide ...

Page 7: ...ety information for replacing CRUs Do not open your computer or attempt any repair before reading the Important safety information in the Quick Reference that was included with your computer To obtain a copy of the Quick Reference go to the World Wide Web at http www ibm com pc support Safety information for replacing FRUs Do not open your computer or attempt any repair before reading the Importan...

Page 8: ...use static electricity to build up around you v Always handle parts and other computer components carefully Handle adapters memory modules system boards and microprocessors by the edges Never touch any exposed circuitry v Prevent others from touching the parts and other computer components v Before you replace a new part touch the static protective package containing the part to a metal expansion ...

Page 9: ...of the computer To open the computer cover see Opening the cover on page 5 Locating the connectors on the front of your computer The following illustration shows the location of connectors on the front of the computer 1 Headphone connector 3 USB connector 2 Microphone connector 4 USB connector Copyright IBM Corp 2005 1 ...

Page 10: ...apter connector 8 Ethernet connector 2 Integrated cable lock 9 USB connectors 3 Standard mouse connector 10 Audio line out connector 4 Standard keyboard connector 11 Audio line in connector 5 VGA monitor connector 12 USB connectors 6 Parallel connector 13 Power supply diagnostic LEDs 7 Serial connector 14 Power connector 2 Hardware Replacement Guide ...

Page 11: ...ion will help you locate the various components in your computer 1 PCI riser 5 Hard disk drive 2 Power supply assembly 6 Internal speaker 3 Optical drive eject button 7 Cable clip 4 Optical drive 8 Rear fan bracket assembly Chapter 1 Locations 3 ...

Page 12: ...n the system board 1 SATA connector 9 Internal speaker connector 2 IDE connector 10 Memory connector 1 3 PCI riser connector 11 Memory connector 2 4 Front panel connector 12 Microprocessor fan connector 5 12v power connector 13 Rear fan connector 6 Power connector 14 Clear CMOS Recovery jumper 7 System fan connector 15 Battery 8 Microprocessor Note Your computer has support for two double data rat...

Page 13: ...to 5 minutes to let the computer cool before opening the computer cover To open 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 2 Unplug all power cords from electrical outlets 3 Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are...

Page 14: ... To obtain copies of the Quick Reference or HMM go to http www ibm com pc support This section provides instructions on how to replace the power supply 1 Open the computer cover See Opening the cover on page 5 2 Pivot the drive bay assembly upward to gain access to the power supply 3 Remove the PCI riser See Replacing a PCI adapter on page 22 4 Remove the three screws at the rear of the chassis se...

Page 15: ...chassis so that the screw holes in the power supply assembly align with those in the chassis Note Use only the screws that are provided 9 Install and tighten the three screws at the rear of the chassis to secure the power supply assembly 10 Reconnect all the power supply cables to the drives and the system board 11 Reinstall the PCI riser 12 Go to Completing the parts replacement on page 26 Chapte...

Page 16: ...g a PCI adapter on page 22 4 Locate the rear fan bracket assembly and the rear fan connector See Locating components on page 3 and Identifying parts on the system board on page 4 5 Disconnect the rear fan cable and remove the rear fan bracket assembly by lifting it off the system board 6 Carefully take note of the location of all cable connections on the system board It will be necessary to reconn...

Page 17: ...lace the heat sink on its side on a clean flat surface so the thermal interface on the bottom of the heat sink does not touch the surface and become contaminated 10 Use the handle at the rear of the system board to pull the system board and tray out the rear of the chassis 11 Place the failing system board next to the new system board on a clean flat surface Chapter 2 Replacing hardware 9 ...

Page 18: ...e the vacuum pen 1 to remove the microprocessor from the system board socket by lifting it out of the socket Note If you are replacing a failing microprocessor you will receive a vacuum pen with the new microprocessor Important Do not touch the gold contacts on the bottom of the microprocessor If you must touch the microprocessor touch only the sides 10 Hardware Replacement Guide ...

Page 19: ...r securing the microprocessor retainer then pivot the retainer until it is fully open 15 Position the microprocessor so that the notches on the microprocessor are aligned with the tabs in the microprocessor socket Important To avoid damaging the microprocessor contacts do not tilt the microprocessor when installing it into the socket 16 Use the vacuum pen 1 to lower the microprocessor straight dow...

Page 20: ...of the chassis until it is fully seated 19 Place the heat sink 1 into position and lower the lever 2 to secure the heat sink 20 Reinstall the memory modules on the new system board in the same location as they were on the failing system board See Replacing a memory module on page 20 21 Reconnect all cables that were disconnected from the system board See Identifying parts on the system board on pa...

Page 21: ...s Important Do not touch the gold contacts on the bottom of the microprocessor Use the vacuum pen provided to remove and install the microprocessor If you must touch the microprocessor touch only the sides This section provides instructions on how to replace the microprocessor Important Leave your computer turned off for at least one hour before removing the microprocessor to allow the thermal int...

Page 22: ...p position Carefully lift the heat sink off of the system board 6 Release the lever 3 securing the microprocessor 2 then pivot the microprocessor retainer 1 until it is fully open 7 Use the vacuum pen 1 to remove the microprocessor from the system board socket by lifting it out of the socket 14 Hardware Replacement Guide ...

Page 23: ... on the system board b Do not drop anything on the socket while it is open Keep all contacts as clean as possible 8 Make sure that the lever on the microprocessor retainer is fully open 9 Loosen the black cover 3 that protects the gold contacts on the microprocessor 2 but do not remove it Use the vacuum pen 1 to pick up the new microprocessor then completely remove the black cover Place the black ...

Page 24: ...he microprocessor contacts do not tilt the microprocessor when installing it into the socket 11 Use the vacuum pen 1 to lower the microprocessor straight down into the system board socket 12 Lower the microprocessor retainer 1 and then lower the lever 3 to secure the retainer Make sure the lever is securely locked into position 16 Hardware Replacement Guide ...

Page 25: ... To obtain copies of the Quick Reference or HMM go to http www ibm com pc support This section provides instructions on how to replace the hard disk drive Important When you receive a new hard disk drive you will also receive a Product Recovery CD The Product Recovery CD will enable you to restore the contents of the hard disk to the same state as when your computer was originally shipped from the...

Page 26: ...ct the signal and power cables from the rear of the hard disk drive 4 Lift the hard disk drive and bracket up to remove it from the hard drive bay 5 Remove the failing hard disk drive from the blue bracket by flexing the bracket enough to slide the drive out 18 Hardware Replacement Guide ...

Page 27: ...of the hard disk drive 9 Go to Completing the parts replacement on page 26 Replacing the optical drive Attention Do not open your computer or attempt any repair before reading the Important safety information in the Quick Reference that was included with your computer or in the Hardware Maintenance Manual HMM for the computer To obtain copies of the Quick Reference or HMM go to http www ibm com pc...

Page 28: ...er or attempt any repair before reading the Important safety information in the Quick Reference that was included with your computer or in the Hardware Maintenance Manual HMM for the computer To obtain copies of the Quick Reference or HMM go to http www ibm com pc support This section provides instructions on how to replace a memory module Note Your computer has support for two memory modules 1 Op...

Page 29: ...bly upward to gain access to the system board 3 Remove any parts that might prevent access to the memory connectors 4 Remove the memory module being replaced by opening the retaining clips as shown Chapter 2 Replacing hardware 21 ...

Page 30: ...air before reading the Important safety information in the Quick Reference that was included with your computer or in the Hardware Maintenance Manual HMM for the computer To obtain copies of the Quick Reference or HMM go to http www ibm com pc support This section provides instructions on how to replace a PCI adapter 1 Open the computer cover See Opening the cover on page 5 2 Pivot the drive bay a...

Page 31: ...tall the PCI riser into the system board 11 Go to Completing the parts replacement on page 26 Replacing the internal speaker Attention Do not open your computer or attempt any repair before reading the Important safety information in the Quick Reference that was included with your computer or in the Hardware Maintenance Manual HMM for the computer To obtain copies of the Quick Reference or HMM go ...

Page 32: ... connector on the system board See Identifying parts on the system board on page 4 4 Disconnect the speaker cable from the system board 5 Push downward on the metal tab shown while lifting the speaker out from the computer Note You might need a flat blade screwdriver to gently pry the speaker from the metal tabs that secure it 24 Hardware Replacement Guide ...

Page 33: ...keyboard connector Note Your keyboard might be connected to a standard keyboard connector 1 or a USB connector 2 Depending on where your keyboard is connected see Locating the connectors on the rear of your computer on page 2 or Locating the connectors on the front of your computer on page 1 4 Disconnect the failing keyboard cable from the computer 5 Connect the new keyboard to the appropriate con...

Page 34: ...reconnect any cables including telephone lines and power cords Also depending on the part that was replaced you might need to confirm the updated information in the Setup Utility program 1 Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer 2 Clear any cables that might impede the replacement of the cover 3 Lower the drive bay ...

Page 35: ...achine type model To update flash the BIOS from a diskette or CD ROM do the following Note An optional USB diskette drive is required to update flash BIOS from a diskette 1 Insert a system program update flash diskette or CD ROM into the diskette drive or optical drive System program updates are available at http www ibm com pc support on the World Wide Web 2 Turn on the computer If it is on alrea...

Page 36: ...28 Hardware Replacement Guide ...

Page 37: ......

Page 38: ... Part Number 39J8095 Printed in USA 1P P N 39J8095 ...

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