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IBM 8428 - page 1
ThinkC e n tr e ™ Hard w are Remo v a l an d Rep l ac e m ent Gu i d e Ty p e s 84 2 4 , 84 2 5 , 84 2 8 Ty p e s 81 7 1 , 81 7 2 , 81 7 3 ...
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IBM 8428 - page 2
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IBM 8428 - page 3
ThinkC e n tr e ™ Hard w are Remo v a l an d Rep l ac e m ent Gu i d e Ty p e s 84 2 4 , 84 2 5 , 84 2 8 Ty p e s 81 7 1 , 81 7 2 , 81 7 3 ...
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IBM 8428 - page 4
Second Edition (June 2004) © Copyright International Business Machines Corporation 2004. All rights reserved. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. ...
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IBM 8428 - page 5
Contents Overview . . . . . . . . . . . . . .v Safety information . . . . . . . . . . . .v Additional information resour ces . . . . . . .v T ools requir ed . . . . . . . . . . . . . .v Handling static-sensitive devices . . . . . . .v Replacing customer replaceable units (CRUs) . . . . . . . . . . . . . . .1 Opening the cover . . . . . . . . . . . ...
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IBM 8428 - page 6
iv Hardwar e Removal and Replacement Guide ...
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IBM 8428 - page 7
Overview This guide contains instructions for replacing the following customer replacement units (CRUs): v Power supply v System board v Micropr ocessor v Hard disk drive v Memory modules Safety information Do not open your computer or attempt any repair before reading the “Important safety information” in the Quick Reference that was included ...
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IBM 8428 - page 8
v Before you replace a new CRU, touch the static-protective package containing the CRU to a metal 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 . v When possible, remove the new CRU from the static-protective packaging, and install it dire ...
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IBM 8428 - page 9
Replacing customer replaceable units (CRUs) Attention Do not open your computer or attempt any repair before reading the “Safety notices” in the Quick Reference that was included with your computer . If you no longer have this copy of the Quick Reference , you can obtain one online from the IBM We b site at http://www.ibm.com/pc/support . Openi ...
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IBM 8428 - page 10
Locating components The following illustration will help you locate the various components in your computer . 1 Diskette drive lock 5 Power supply assembly 2 Memory modules 6 CD or DVD drive (hard disk drive is under the CD drive) 3 Battery 7 CD or DVD drive lock 4 PCI riser 2 Hardwar e Removal and Replacem ...
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IBM 8428 - page 11
Identifying parts on the system board The system board (sometimes called the planar or motherboard ) is the main circuit board in your computer . It provides basic computer functions and supports a variety of devices. The following illustration shows the locations of parts on the system board. 1 Fan connectors (2) 8 Diskette drive conne ...
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IBM 8428 - page 12
2. Pivot the drive bay assembly upward to gain access to the cable connections. 3. Locate the power supply . See “Locating components” on page 2. Note: Note the routing of the power supply cables. It is important to route the cables the same way when installing a new power supply assembly . 4. Disconnect the power cables from the hard disk driv ...
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IBM 8428 - page 13
7. Remove the screws at the rear of the chassis that secure the power supply . 8. Slide the power supply forward and remove from the computer . Replacing customer replaceable units (CRUs) 5 ...
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IBM 8428 - page 14
9. Install the new power supply into the chassis so that the screw holes in the power supply align with those in the chassis. Note: Use only the screws provided by IBM. 10. Install and tighten the four screws at the rear of the chassis that secure the power supply . 11 . Reconnect the speaker wire to the system board. 12. Reconnect power supply con ...
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IBM 8428 - page 15
Removing and replacing the system board assembly Attention Do not open your computer or attempt any repair before reading the “Safety notices” in the Quick Reference that was included with your computer . If you no longer have this copy of the Quick Reference , you can obtain one online from the IBM We b site at http://www.ibm.com/pc/support . ...
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IBM 8428 - page 16
installed. 5. Carefully note the location of all cable connections on the system board. It will be necessary to reconnect them properly after installing the new system board assembly . Note: Note the cable routing. It is important to route the cables the same way when installing a new system board. 6. Disconnect the diskette drive cable from the sy ...
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IBM 8428 - page 17
10. Using the two blue handles provided, lift the system board assembly out of the computer . 11 . Place the old system board next to the new system board on a clean, flat surface. 12. Remove the micropr ocessor from the old system board. Go to “Removing and replacing the micropr ocessor” on page 10. Return here after removing the micropr ocess ...
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IBM 8428 - page 18
Removing and replacing the microprocessor Attention Do not open your computer or attempt any repair before reading the “Safety notices” in the Quick Reference that was included with your computer . If you no longer have this copy of the Quick Reference , you can obtain one online from the IBM We b site at http://www.ibm.com/pc/support . Importa ...
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IBM 8428 - page 19
4. Release the lever 1 holding the micropr ocessor heat sink. 5. Remove the heat sink, and do one of the following: v If you are replacing the micropr ocessor , place the old heat sink aside. Yo u must use the new heat sink shipped with the new micropr ocessor . Note Do not use the old heat sink with the a new micropr ocessor . If you use the ...
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IBM 8428 - page 20
Notes: a. Notice of the orientation of the notches 1 on the micropr ocessor . This is important when reinstalling the micropr ocessor on the system board. * XXXXXXXXX* b. Do not drop anything on the socket while it is open. Keep all contacts as clean as possible. 7. To install the micropr ocessor , do one of the following: Attention To avoid ...
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IBM 8428 - page 21
b. Remove the new micropr ocessor from its static-protective package. * XXXXXXXXX* c. Hold the micropr ocessor 2 by its sides and loosen the black cover 3 on the micropr ocessor , but do not remove the black cover . d. Place the micropr ocessor on the static-protective package. e. Use the vacuum pen 1 to pick up the new micropr oc ...
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IBM 8428 - page 22
b. Install the micropr ocessor by inserting it straight down into the socket of the new system board. 8. Pivot the retaining plate 1 closed, and lock the lever 3 to secure the micropr ocessor 2 in place. Be sure to engage the retainer tab when locking the micropr ocessor . *XXXXXXXXX* 9. Do one of the following: v If you have repl ...
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IBM 8428 - page 23
Removing and replacing memory modules Attention Do not open your computer or attempt any repair before reading the “Safety notices” in the Quick Reference that was included with your computer . If you no longer have this copy of the Quick Reference , you can obtain one online from the IBM We b site at http://www.ibm.com/pc/support . To remove a ...
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IBM 8428 - page 24
installed. 4. Locate the memory connectors. See “Locating components” on page 2. 5. Open the retaining clips, and lift the memory module out of its connector . 6. Insert the replacement memory module in the memory connector . Ensure the notch on the replacement memory module 1 aligns correctly with the connector key 2 on the system ...
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IBM 8428 - page 25
7. Reinstall the PCI riser and adapters if they were removed. 8. Pivot the drive bay assembly back to the original position. 9. Close the cover and reconnect the external cables . Go to “Completing the installation” on page 19. Replacing customer replaceable units (CRUs) 17 ...
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IBM 8428 - page 26
Removing and replacing a hard disk drive Attention Do not open your computer or attempt any repair before reading the “Safety notices” in the Quick Reference that was included with your computer . If you no longer have this copy of the Quick Reference , you can obtain one online from the IBM We b site at http://www.ibm.com/pc/support . 1. Open ...
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IBM 8428 - page 27
6. Remove the old hard disk drive from the blue bracket by flexing the bracket. Do not touch the circuits 5 on the hard disk drive. 7. Insert the new hard disk drive into the blue bracket aligning the pins 1 through 4 on the bracket with the holes in the hard disk drive. 8. Insert the hard disk drive into hard disk bay with the ci ...
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IBM 8428 - page 28
Attention Keep cables 1 through 3 clear of the hinges and sides of the computer chassis. 3. Make sure that the drive locks on the drive bay assembly are both in the locked position . Otherwise, you cannot close the cover . 4. Close the cover . 5. If a cover lock is installed, lock the cover . 6. If your computer is being placed in the v ...
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IBM 8428 - page 29
7. Reconnect the external cables. Plug the power cord into the computer then into a properly grounded power receptacle. 1 Power cord connector 9 Parallel connector 2 Cable lock latch 10 Audio line-in connector 3 Rope clip (U-bolt) holes 11 Audio line-out connector 4 PCI and PCI express adapter slots 12? ...
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IBM 8428 - page 30
3. When you are prompted to select a language, press the number on your keyboard which corresponds to the language then press Enter . 4. When prompted to change the serial number , press Y. 5. T ype in the seven character serial number of your computer then press Enter . 6. When prompted to change the machine type/model, press Y. 7. T ype in the se ...
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IBM 8428 - page 31
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IBM 8428 - page 32
Part Number: 19R0821 Printed in USA (1P) P/N: 19R0821 ...
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