Instruction d'utilisation Apple ATI RADEON CABLE HD 4870

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 Mac Pro
ATI Radeon HD 4870 Card Cable
Replacement Instructions
Note: Follow these instructions carefully. Failure to do so could damage your equipment and
First Steps
void its warranty.
1 Shut down computer.
2 Wait 10 minutes.
Warning: Parts inside
computer can be very
hot. Allow computer
to cool down before
continuing.
3 Unplug all external
cables except power
cord.
4 Touch metal PCI cover
on back of computer.
5 Unplug power cord.
Opening the
Computer
1 Hold side access
panel and li

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Required Tool Phillips #1 screwdriver Removing the Installed Cable The cable is connected to the graphics card. To remove the cable, first removed the card. 1 Locate card. 2 Using Phillips #1 screwdriver, loosen 2 captive screws securing card’s bracket to enclosure. 3 Remove bracket from enclosure. © 2009 Apple Inc. All rights reserved. 073-1250 Rev. A 2

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Note: If card is held in place by retention bar, complete steps 4 and 5. Otherwise, release small locking clip at front of card’s connector by pushing clip up. Then go to step 6. 4 Press button on PCIe fan. 5 Move fan to left, which releases retention bar. 6 Disconnect card’s cables from backplane board. 7 Holding card by top corners, pull it up out of slot and remove card from computer. Checklist for handling card: • When removing or installing card, handle it only by the edges. Do no

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8 Disconnect cable from card. Installing the Replacement Cable and the Card 1 Connect replacement cable to card. 2 Re-install card in slot. Note: You can install card in PCI slot 1, 2, or 3. Installed in slot 2, it blocks slot 3. Installed in slot 3, it blocks slot 4. Because of card’s height, do not install it in slot 4. Note: Make sure end of card goes into correct card guide. Then align card’s connector with expansion slot and press down until connector is inserted all the

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4 If card is held in place by retention bar, slide PCIe fan to the right to lock card in place. 5 Replace PCI bracket and tighten screws. Note: Slide bracket under circled tab before securing screws. Closing the Computer 1 Replace access panel. Note: Make sure latch is up before you replace panel. If latch is down, panel will not seat correctly. 2 Push latch down to close and secure access panel. Warning: Never turn on computer unless all its internal and external parts are in

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 Apple Inc. © 2009 Apple Inc. All rights reserved. This document is protected under U.S. Copyright Law and International Treaties, and no part of this document may be reproduced in any form without written permission from Apple. Apple is not responsible for typographical, printing, or inadvertent errors. Apple Inc. 1 Infinite Loop Cupertino, CA 95014-2084 USA + 1 408 996 1010 www.apple.com Apple, the Apple logo, and Mac are trademarks of Apple Inc., registered in the U.S. and other count

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© 2009 Apple Inc. All rights reserved. 073-1250 Rev. A 7