Mac_Pro_Early2009_RV770_Card_DIY.pdf

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 Mac Pro
ATI Radeon HD 4870 Graphics Card
Replacement Instructions
First Steps
1
2
Shut down computer.
Wait 10 minutes.
Warning: Parts inside
computer can be very
hot. Allow computer
to cool down before
continuing.
Note:
Follow these instructions carefully. Failure to do so could damage your equipment and
void its warranty.
3
Unplug all external
cables except power
cord.
Touch metal PCI cover
on back of computer.
Unplug power cord.
4
5
Opening the
Computer
1
Hold side access
panel and lift latch on
back of computer.
Warning:
Edges of
access panel and
enclosure can be
sharp. Be careful
when handling.
2
Remove access panel
and place it on flat
surface covered by
soft, clean cloth.
© 2009 Apple Inc. All rights reserved.
073-1249 Rev. A
1
PCIe Slots
Your computer’s
backplane board includes
one double-wide PCI
Express (PCIe) graphics
slot and three PCIe
expansion slots, for a total
of four slots. All four slots
physically support cards of
up to x16 slot width.
Slot electrical specs:
•
Slots 1 and 2:
x16
PCIe 2.0
•
Slots 3 and 4:
x4
PCIe 2.0
Important:
Combined
maximum power
consumption for all
four PCIe slots must not
exceed 300 W.
Required Tool
Phillips #1 screwdriver
© 2009 Apple Inc. All rights reserved.
073-1249 Rev. A
2
Removing the
Installed Card
1
Locate card.
2
Using Phillips #1
screwdriver, loosen
2
captive screws
securing card’s
bracket to enclosure.
Remove bracket from
enclosure.
3
© 2009 Apple Inc. All rights reserved.
073-1249 Rev. A
3
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
5
Press button on PCIe
fan.
Move fan to left,
which releases
retention bar.
6
Disconnect card’s
cables from
backplane board.
Holding card by top
corners, pull it up out
of slot and remove
card from computer.
7
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.
073-1249 Rev. A
4
Installing the
Replacement
Card
1
Transfer original card’s
cables to replacement
card.
2
Install replacement
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 way into slot.
3
Reconnect card’s
cables to connectors
on backplane board.
© 2009 Apple Inc. All rights reserved.
073-1249 Rev. A
5

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