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19.

   

Pivot

 

the

 

microprocessor

 

retainer

 

3

 

to

 

the

 

closed

 

position

 

and

 

rotate

 

the

 

locking

 

lever

 

2

 

to

 

secure

 

the

 

microprocessor

 

1

.

 

Make

 

sure

 

the

 

locking

 

lever

 

is

 

engaged

 

with

 

the

 

retainer

 

tab

 

when

 

securing

 

the

 

microprocessor.

 

   

20.

   

Align

 

the

 

beveled

 

corners

 

of

 

the

 

heat

 

sink

 

and

 

the

 

mounting

 

bracket.

 

Then

 

position

 

the

 

heat

 

sink

 

2

 

on

 

the

 

heat

 

sink

 

mounting

 

bracket.

 

Lower

 

the

 

lever

 

1

 

to

 

secure

 

the

 

heat

 

sink.

 

   

 

Chapter

 

2.

 

Replacing

 

hardware

 

17

Summary of Contents for Types 8122

Page 1: ...ThinkCentre Hardware Replacement Guide Types 8122 8123 8124 Types 8131 8137 8138...

Page 2: ......

Page 3: ...ThinkCentre Hardware Replacement Guide Types 8122 8123 8124 Types 8131 8137 8138...

Page 4: ...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 w...

Page 5: ...placing hardware 5 Removing the computer cover 5 Pivoting or removing the optional hard disk drive mounting bracket 7 Removing and replacing the front bezel 8 Replacing the power supply 8 Replacing th...

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

Page 7: ...ot open your computer or attempt any repair before reading the Important safety information in the Quick Reference that was included with your computer If you no longer have this copy of the Quick Ref...

Page 8: ...ays 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...

Page 9: ...moving the computer cover on page 5 Locating components The following illustration will help you locate the various components in your computer 1 Optical drive 6 System board 2 Memory modules 7 Lower...

Page 10: ...er This section shows the various external connectors on the computer to which you can attach external devices 1 3 9 4 1 IEEE 1394 connector some models 4 Microphone connector 2 USB connector 5 Headph...

Page 11: ...Power connector 13 Standard keyboard connector 4 Audio line in connector 14 Standard mouse connector 5 Audio line out connector 15 PCI Express x16 adapter connector some models 6 Microphone connector...

Page 12: ...nnector 2 Memory connector 4 13 PCI adapter connector 3 Memory connector 3 14 Serial connector COM 2 4 Memory connector 2 15 PCI Express x1 adapter connector 5 Memory connector 1 16 Clear CMOS Recover...

Page 13: ...g 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 Disc...

Page 14: ...stricted Note There appears to be two drive bays in the bracket However due to thermal restrictions only the bay 2 at the rear of the chassis can be used to install a hard disk drive See Pivoting or r...

Page 15: ...o pivot the optional hard disk drive bracket upward pull outward at the bottom of the bracket Note You might have to disconnect the cables attached to the optional hard disk drive If it is necessary t...

Page 16: ...the chassis 4 Go to Completing the installation on page 33 Replacing the power supply Attention Do not remove the computer cover or attempt any repair before reading the Important safety information i...

Page 17: ...the rear and out of the bay Place the drive cage out of your way without disconnecting the drive signal cables 3 Disconnect the power supply cables 1 and 2 from the system board 4 Disconnect the power...

Page 18: ...upply toward the front of the chassis and lift it out of the chassis as shown 7 Install the new power supply into the chassis so that the screw holes in the power supply align with those in the chassi...

Page 19: ...1 and 2 to the system board 10 Reinstall the lower drive cage and secure it with the thumb screw 11 Reconnect a power supply connector to each of the drives 12 Go to Completing the installation on pag...

Page 20: ...e computer cover on page 5 Note For this procedure it helps to lay the computer on its side 3 Carefully note the location of all cable connections on the system board It will be necessary to reconnect...

Page 21: ...m board on page 4 9 Remove screws 1 through 7 10 Slide the system board toward the front of the computer to disengage it from the mounting tabs and lift it out 11 Place the defective system board next...

Page 22: ...g bracket Place the heat sink on its side on a clean flat surface so the thermal material on the bottom of the heat sink does not touch the surface and become contaminated 14 Release and pivot locking...

Page 23: ...the microprocessor If you must touch the microprocessor touch only the sides Notes a Notice of the orientation of the notches 1 on the microprocessor This is important when reinstalling the microproc...

Page 24: ...r Place the black protective cover on the microprocessor retainer of the defective system board 17 Position the microprocessor so that the notches on the microprocessor are aligned with the tabs in th...

Page 25: ...rocessor 1 Make sure the locking lever is engaged with the retainer tab when securing the microprocessor 20 Align the beveled corners of the heat sink and the mounting bracket Then position the heat s...

Page 26: ...maged when you install the screws 22 Align the seven screw holes and install the screws 23 Reinstall all adapter cards See Replacing an adapter on page 26 24 Reconnect all cables that were disconnecte...

Page 27: ...eat sink time to cool down Important When you receive a new microprocessor you will also receive a new heat sink and vacuum pen You must use the new heat sink with the new microprocessor If you use th...

Page 28: ...queezing the tabs 1 together and pulling it out of the chassis 3 Release and pivot lever 1 upward Remove the heat sink 2 from the system board by carefully lifting it up and off the mounting bracket 2...

Page 29: ...til it is open 5 Using the vacuum pen 1 remove the microprocessor from the system board socket by lifting it straight up and out of the socket Important Do not touch the gold contacts on the bottom of...

Page 30: ...be kept as clean as possible 6 Make sure that the microprocessor retainer is fully open 7 Loosen the protective cover 3 that protects the gold contacts on the new microprocessor 2 but do not remove i...

Page 31: ...socket Note Install the black protective cover that was removed from the new microprocessor onto the defective microprocessor after the installation is complete 10 Pivot the microprocessor retainer 3...

Page 32: ...t sink and the mounting bracket Then position the heat sink 2 on the heat sink mounting bracket Lower the lever 1 to secure the heat sink 12 Reinstall the air baffle 13 Go to Completing the installati...

Page 33: ...e computer cover See Removing the computer cover on page 5 Note For this procedure it helps to lay the computer on its side 2 Locate the memory module connectors See Locating components on page 1 3 Op...

Page 34: ...the computer cover on page 5 Note For this procedure it helps to lay the computer on its side 2 At the rear of the computer push the blue adapter latch as indicated and pivot it to the open position...

Page 35: ...to the same state as when your computer was originally shipped from the factory For more information on recovering factory installed software refer to Recovering Software in the Quick Reference 1 Rem...

Page 36: ...rew 10 Go to Completing the installation on page 33 Replacing an optical drive Attention Do not remove the computer cover or attempt any repair before reading the Important safety information in the Q...

Page 37: ...er 5 Remove the retainer bracket from the failing drive and install it on the new drive 6 Slide the new optical drive into the bay from the front until it snaps into position 7 Reconnect the signal an...

Page 38: ...at the side of the drive bay and slide it out the front of the computer 5 Remove the retainer bracket from the failing drive and install it on the new drive 6 Slide the new diskette drive into the low...

Page 39: ...uter To obtain copies of the Quick Reference or HMM go to http www ibm com pc support 1 Remove any media diskettes CDs or tapes from the drives shut down the computer and turn off all attached devices...

Page 40: ...eaker cable from the system board 5 Slide the speaker 1 upward until it is free from the metal tabs that secure it at the bottom Then pivot the bottom of the speaker outward and remove it from the cha...

Page 41: ...tools or loose screws are left inside your computer See Locating components on page 1 for the location of the various components 2 If this computer has an optional hard disk drive mounting bracket an...

Page 42: ...isted on the Main menu do not match what is printed on the label of your computer you must update flash the BIOS to change the serial number and the machine type model To update flash the BIOS from a...

Page 43: ......

Page 44: ...Part Number 39J7784 Printed in USA 1P P N 39J7784...

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