IBM ThinkCentre 8171 User's Manual
Contents
1. 2 1 6 Disconnect the wire from the internal speaker connector on the system board See Identifying parts on the system board on page 3 4 Hardware Removal and Replacement Guide 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 O Replacing customer replaceable units CRUs 5 10 11 12 13 14 15 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 Install and tighten the four screws at the rear of the chassis that secure the power supply Reconnect the speaker wire to the system board Reconnect power supply connectors to the system board Reconnect power supply connectors to the hard disk drive and CD ROM drive as required Correctly route all power supply cables to avoid interference with the drive bay assembly and fold the ribbon cables J and H along the existing crease lines Attention Keep cables J through clear of the hinges and sides of the computer chassis Close the cover and reconnect the external cables Go to Completing the installation on page 19 6 Hardware Removal and Replacement Guide Remov2. 9 Close the cover and reconnect the external cables Go to Completing the installation on page 19 Replacing customer replaceable units CRUs 17 Removing and replacing a hard disk drive m 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 Web site at http www ibm com pc support 1 Open the cover Go to Opening the cover on page 1 2 Pivot the drive bay assembly upward to gain access to the cable connections 3 If a CD drive is installed to disconnect the signal cable from the drive to access the hard disk drive cables Note Blue straps are provided to help when disconnecting cables 4 Disconnect the signal and power cables from the hard disk drive 5 Pivot the hard disk drive to the rear then pull the hard disk drive out of the hard drive bay by pulling on the blue handle fe 18 Hardware Removal and Replacement Guide 6 Remove the old hard disk drive from the blue bracket by flexing the bracket Do not touch the circuits JJ on the hard disk drive 7 Insert the new hard disk drive into the blue bracket aligning the pins through fj on the bracket with the holes in the hard disk drive 8 Insert the hard disk drive into hard disk bay with the circuits facing up
3. and snap it into position 9 Connect a power connector to the drive 10 Reconnect the CD drive cable 11 Lower the drive bay assembly into the original position 12 Close the cover and reconnect the external cables Go to Completing the installation Completing the installation After replacing the CRUs you need to close the cover and reconnect cables including telephone lines and power cords Also depending on the CRU that was replaced you might need to confirm the updated information in the IBM Setup Utility program See Starting the IBM Set Utility in your Quick Reference To complete the CRU installation 1 Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer See page 2 for the location of various components 2 Correctly route all power supply cables to avoid interference with the drive bay assembly and fold the ribbon cables and Halong the existing crease lines Replacing customer replaceable units CRUs 19 m Attention Keep cables through 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 g If a cover lock is installed lock the cover 6 If your computer is being placed in the vertical position attach the floor s
4. from electrical outlets Disconnect all cables attached to the computer This includes power cords input output I O cables and any other cables that are connected to the computer Remove the floor stand if attached If a cover lock is installed unlock the cover Press inward on the two buttons and pivot the top cover upward as illustrated Copyright IBM Corp 2004 Locating components The following illustration will help you locate the various components in your computer Diskette drive lock H Power supply assembly 2 Memory modules J CD or DVD drive hard disk drive is under the CD drive Battery CD or DVD drive lock 4 PCI riser 2 Hardware Removal and Replacement Guide 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 E i El 4 Diskette drive connector Power button and front LED assembly connector Power supply connector Fan connectors 2 Memory connectors 2
5. ob oo SATA IDE hard disk drive connectors 2 Riser connector PATA Primary IDE connector hard disk drive and CD ROM drive Power supply connector Microprocessor CMOS Battery Clear CMOS BIOS recovery jumper Internal speaker connector Bo 5 A E g 2a D Removing and replacing the power supply m 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 Web site at http www ibm com pc support To remove and replace the power supply do the following 1 Open the cover Go to Opening the cover on page 1 Replacing customer replaceable units CRUs 3 2 Pivot the drive bay assembly upward to gain access to the cable connections 0 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 drive and the CD ROM drive 5 Disconnect the power cables P1 fiand P2 H from the system board S i 0 o
6. 14 Hardware Removal and Replacement Guide Removing and replacing memory modules m 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 Web site at http www ibm com pc support To remove and replace the memory modules 1 Open the cover Go to Opening the cover on page 1 2 Pivot the drive bay assembly upward to gain access to the system board O 3 While holding the rear of the computer chassis down pull upward on the handle provided to remove the PCI riser and any adapters that are currently Replacing customer replaceable units CRUs 15 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 aligns correctly with the connector key J on the system board Push the memory module straight down into the connector until the retaining clips close 16 Hardware Removal and Replacement Guide 7 Reinstall the PCI riser and adapters if they were removed 8 Pivot the drive bay assembly back to the original position
7. Opening the cover on page 1 3 Pivot the drive bay assembly upward to gain access to the microprocessor 9 10 Hardware Removal and Replacement Guide 4 Release the lever J holding the microprocessor heat sink og m 5 Remove the heat sink and do one of the following e If you are replacing the microprocessor place the old heat sink aside You must use the new heat sink shipped with the new microprocessor m Note Do not use the old heat sink with the a new microprocessor If you use the old heat sink with the new microprocessor your computer might overheat causing intermittent problems e If you are replacing the system board carefully place 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 6 Release the lever holding the microprocessor retainer Ff and pivot the retainer to the open position Og Replacing customer replaceable units CR
8. ThinkCentre Hardware Removal and Replacement Guide Types 8424 8425 8428 Types 8171 8172 8173 ThinkCentre Hardware Removal and Replacement Guide Types 8424 8425 8428 Types 8171 8172 8173 tl 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 Contents Overview Safety information a Additional information resources Tools required Handling static sensitive devices Replacing customer replaceable units CRUs Opening the cover Copyright IBM Corp 2004 dadak Locating components n amp 6 4 2 Identifying parts on the system board n a a Removing and replacing the power supply 3 Removing and replacing the system board assembly 7 Removing and replacing the microprocessor 10 Removing and replacing memory modules 15 Removing and replacing a hard disk drive 18 Completing the installation oge 19 Updating flashing BIOS from a diskette Joa a 2l iii iv Hardware Removal and Replacement Guide Overview This guide contains instructions for replacing the following customer replacement units CRUs e Power supply e System board e Microprocessor e Hard disk drive e Memory modules Safety information Do not open you
9. Us 11 Notes a Notice of the orientation of the notches on the microprocessor This is important when reinstalling the microprocessor on the system board b Do not drop anything on the socket while it is open Keep all contacts as clean as possible 7 To install the microprocessor do one of the following Attention To avoid damaging the microprocessor pins do not tilt the microprocessor when installing it into the microprocessor socket Important Do not touch the gold contacts on the bottom of the microprocessor If you must touch the microprocessor touch only the sides e If you are installing a new microprocessor a Remove the old microprocessor using the vacuum pen and place the microprocessor aside 12 Hardware Removal and Replacement Guide b Remove the new microprocessor from its static protective package c Hold the microprocessor H by its sides and loosen the black cover on the microprocessor but do not remove the black cover Place the microprocessor on the static protective package Use the vacuum pen to pick up the new microprocessor and remove the black cover f Place the black cover on the old microprocessor to protect the gold contacts g Install the new microprocessor by inserting it straight down into the socket e If you are replacing the system board a Use the vacuum pen to pick up the microprocessor from the old system board Replacing customer replaceable
10. ing and replacing the system board assembly m 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 Web site at http www ibm com pc support To remove and replace the system board assembly do the following 1 Turn off the computer and allow the computer to cool for one hour 2 Open the cover Go to Opening the cover on page 1 3 Pivot the drive bay assembly upward to gain access to the system board 9 4 While holding the rear of the computer chassis down pull upward on the handle provided to remove the PCI riser and any adapters that are currently Replacing customer replaceable units CRUs 7 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 system board by sliding the plastic cable retainer upward to release the cable Disconnect all other cables connected to the system board See Identifying parts on the system board on page 3 to locate the cables 8 Remove the power sup
11. lash the BIOS to change the serial number and the machine type model To update flash the BIOS from a diskette do the following 1 Insert a system program update flash diskette into the diskette drive drive A in your computer 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 already you must turn it off and back on again The update begins Replacing customer replaceable units CRUs 21 3 When you are prompted to select a language press the number on your keyboard which corresponds to the language then press Enter When prompted to change the serial number press Y Type in the seven character serial number of your computer then press Enter When prompted to change the machine type model press Y NQo P Type in the seven character machine type model of your computer then press Enter 8 Follow the instructions on the screen to complete the update 22 Hardware Removal and Replacement Guide Part Number 19R0821 Printed in USA 1P P N 19R0821
12. lled 19 Lower the drive bay assembly into the original position 20 Close the cover and reconnect the external cables Go to Completing the installation on page 19 Replacing customer replaceable units CRUs 9 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 Web site at http www ibm com pc support m Important Shut down and turn off your computer for at least one hour before removing the microprocessor to allow the thermal interface between the microprocessor and the heat sink time to cool down 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 the old heat sink with the new microprocessor your computer might overheat causing intermittent problems m Important Avoid handling the microprocessor with your hands and avoid contact with the microprocessor contacts Use the vacuum pen provided to remove and install the microprocessor If you must touch the microprocessor touch only the sides To remove the microprocessor do the following 1 Turn off the computer and allow it to cool for one hour 2 Open the cover Go to
13. ply Go to Removing and replacing the power supply lon page 3 9 Remove the six screws that secure the system board to the chassis Tal 8 Hardware Removal and Replacement Guide 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 microprocessor from the old system board Go to Removing and replacing the microprocessor on page 10 Return here after removing the microprocessor 13 Remove all memory modules from the old system board and install them on the new system board Go to page 15 Return here after installing the memory modules 14 Install the new system board into the computer chassis by aligning the two tabs on the rear of the system board with the slots in the rear of the computer chassis Slide the system board to the rear of the computer until the front edge of the system board fits behind the flange in the front of the chassis and is seated flush to the bottom of the chassis 15 Install the six screws to secure the system board to the chassis Note Use only the screws provided by IBM 16 Reinstall the power supply See Removing and replacing the power supply 17 Reconnect all cables that were disconnected from the system board Make sure all cables are routed correctly 18 Reinstall the PCI riser and any adapters that are currently insta
14. r 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 Reference you can obtain one online from the IBM Web site at http www ibm com pc support Additional information resources If you have Internet access the most up to date manuals for your computer are available from the World Wide Web To access this information point your browser to http www ibm com pc support Type your machine type and model number in the Quick path field and click Go Tools required To replace some CRUs in your computer you might need a flat blade or Phillips screwdriver Additional tools might be needed for certain CRUs Handling static sensitive devices Static electricity although harmless to you can seriously damage computer components and CRUs When you are replacing a CRU do not open the static protective package containing the new CRU until the defective CRU has been removed from the computer and you are ready to install the new CRU When you handle CRUs and other computer components take these precautions to avoid static electricity damage e Limit your movement Movement can cause static electricity to build up around you e Always handle CRUs and other computer components carefully Handle adapters memory modules system boards and microprocessors by the edges Never touch any exposed ci
15. rcuitry e Prevent others from touching the CRUs and other computer components Copyright IBM Corp 2004 v e 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 e When possible remove the new CRU from the static protective packaging and install it directly in the computer without setting the CRU down When this is not possible place the static protective package that the CRU came in on a smooth level surface and place the CRU on it e Do not place the CRU on the computer cover or other metal surface vi Hardware Removal and Replacement Guide Replacing customer replaceable units CRUs m 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 Web site at http www ibm com pc support Opening the cover m Important AA Turn off the computer and wait 3 to 5 minutes to let the computer cool before opening the cover To open the cover 1 a Remove any media diskettes CDs or tapes from the drives shut down your operating system and turn off all attached devices Unplug all power cords
16. tand Attention To prevent overheating and possible component damage always attach the floor stand when placing the computer in the vertical position 20 Hardware Removal and Replacement Guide 7 Reconnect the external cables Plug the power cord into the computer then into a properly grounded power receptacle n AAN tin 4 oO Far a Power cord connector 9 Parallel connector 2 Cable lock latch Audio line in connector Rope clip U bolt holes Audio line out connector PCI and PCI express adapter slots USB connectors 4 BH Serial connectors 2 PS 2 keyboard connector G Ethernet connector PS 2 mouse connector USB connectors 2 LEDs E VGA monitor connector 8 If you are replacing the system board you must update flash the BIOS see Updating flashing BIOS from a diskette 9 To update your configuration see Starting the IMB Setup Utility in the Quick Reference that was included with your computer Updating flashing BIOS from a diskette Important Start the IBM Setup Utility program to view your system information See Starting the IBM Setup Utility in your Quick Reference If the serial number and the machine type model listed on the Main menu do not match what is printed on the label of your computer you must update f
17. units CRUs 13 b Install the microprocessor by inserting it straight down into the socket of the new system board 8 Pivot the retaining plate closed and lock the lever to secure the microprocessor H in place Be sure to engage the retainer tab when locking the microprocessor O 9 Do one of the following e If you have replaced the microprocessor place the new heat sink on the microprocessor and lower the lever into the locked position Note Do not use the old heat sink with the a new microprocessor If you use the old heat sink with the new microprocessor your computer might overheat causing intermittent problems e If you have replaced the system board a A black cover will cover the retaining plate protecting the contacts on the new system board Remove this black cover after you have locked the microprocessor in place Place this cover on the retaining plate of the old system board b Reinstall the original heat sink on the microprocessor and lower the lever into the locked position Return to the system board procedure 10 Close the cover and reconnect the external cables Go to Completing the installation on page 19
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