Processor Cage and Clips
Processor Cage and Clips
Replacement Instructions
Mac Pro
First Steps
Shut down computer.1
Wait 10 minutes.
2
Warning: Parts inside
computer can be very
hot. Allow computer
to cool down before
continuing.
Unplug all external 3
cables except power
cord.
Touch metal PCI cover 4
on back of computer.
Unplug power cord.5
Note: Follow these instructions carefully. Failure to do so could damage your equipment and
void its warranty.
Opening the
Computer
Hold side access 1
panel and lift latch on
back of computer.
Warning: Edges of
access panel and
enclosure can be
sharp. Be careful
when handling.
Remove access panel 2
and place it on at
surface covered by
soft, clean cloth.
© 2009 Apple Inc. All rights reserved.
073-1253 Rev. A 1
Required Tools
Phillips #2 screwdriver •
RIght-angle, 2.5 mm •
hex driver
Flatblade screwdriver•
Long-handled Phillips •
#1 screwdriver
Removing the
Installed Cage
and Clips
Before removing the
processor cage, you must
remove:
Hard drive in far-left •
drive bay
Graphics card in slot 1•
Processor tray•
PCIe fan•
You must also transfer
both cage fans from
the original cage to the
replacement cage.
Hard Drive
1 Make sure latch on
back panel is up, so
that drive is unlocked.
Pull hard drive out of 2
far-left drive bay.
© 2009 Apple Inc. All rights reserved.
073-1253 Rev. A 2
Graphics Card
3 Locate graphics card
in slot 1.
4 Using Phillips #1
screwdriver, loosen 2
captive screws
securing card’s
bracket to enclosure.
Remove bracket from 5
enclosure.
© 2009 Apple Inc. All rights reserved.
073-1253 Rev. A 3
Note: Card is held in place
by retention bar. Following
two steps explain how to
release bar.
Press button on PCIe 6
fan.
Move fan to left, 7
which releases
retention bar.
Note: Some graphics
cards require 1 or 2
booster cables connecting
card to auxiliary power
connectors on backplane
board. If your card has
booster cables, disconnect
them from backplane
board.
© 2009 Apple Inc. All rights reserved.
073-1253 Rev. A 4
8 Holding card by top
corners, pull it up out
of slot.
Remove card from 9
computer.
Checklist for handling card:
When removing or installing card, handle it only by the edges. Do not touch its connectors •
or any components.
Don’t rock card from side to side; instead, lift card straight up from connecotr to remove it, •
and press card straight into slot to install it.
Don’t force card. If you meet a lot of resistance, pull card out. Check connector and slot for •
damage or obstructions, then try inserting card again.
Pull card gently to see if it is properly connected. If it resists and stays in place and its gold •
connectors are barely visible, card is connected.
© 2009 Apple Inc. All rights reserved.
073-1253 Rev. A 5
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