Apple power mac g5 late 2005 User Manual

							
Power Mac G5 (Late 2005) Take Apart — Processor (Dual 2.0/2.3 GHz) 1
Note: For steps 3–6, remove or loosen the screws in the order indicated in the illustrations.
Insert a long-handled 4 mm ballhead hex driver into the two holes on the top of the 
heatsink and tighten the two captive screws. 
Using a long-handled 3 mm flathead hex driver, replace the two short screws that mount the 
power supply terminal. 
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Power Mac G5 (Late 2005) Take Apart — Processor (Dual 2.0/2.3 GHz) 2
Using a long-handled 3 mm flathead hex driver, replace the four long processor mounting 
screws. 
Replace the processor inlet frame on the front of the heatsink.
Replace the heatsink cover.
Replace the rear exhaust fan assembly.
Replace all graphics and PCI Express cards.
Replace the front inlet fan assembly.
Important: Whenever you replace a processor with a new processor, you must run Apple Service 
Diagnostic (once the computer is reassembled). Apple Service Diagnostic for Power Mac G5 
(Late 2005) is available as a download from the Disc Images section of the Apple Service Source 
website. For more information, see “Thermal Calibration” in the Troubleshooting chapter.
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Power Mac G5 (Late 2005) Take Apart — Processor Inlet Frame (Quad) 3
Processor Inlet Frame (Quad)
Tools
No tools are required for this procedure.
Preliminary Steps
Before you begin, open the computer, lay it on its side with the access side facing up, and remove 
the following:
Front inlet fan assembly
Heatsink cover
Part Location
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Power Mac G5 (Late 2005) Take Apart — Processor Inlet Frame (Quad) 4
Procedure
Lift the processor inlet frame off the processor.
Remove the frame from the enclosure. 
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Power Mac G5 (Late 2005) Take Apart — Processor (Quad) 5
Processor (Quad)
Note: There are two versions of the Quad processor. While your processor may look different from 
the one in the photos, the take-apart steps for both versions are similar. Any differences are called 
out in the procedure that follows.
Tools
The only tools required for this procedure are a long-handled 3 mm flathead hex driver and a 
long-handled 4 mm ballhead hex driver.
Preliminary Steps
Before you begin, open the computer, lay it on its side with the access side facing up, and remove 
the following:
Front inlet fan assembly
Heatsink cover
Processor inlet frame (Quad)
Part Location
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•
• 
						

							
Power Mac G5 (Late 2005) Take Apart — Processor (Quad) 
Procedure
Remove the processor support bar cable from the clip on the PCI divider. 
Disconnect the processor support bar cable from the processor cable. 
 
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Power Mac G5 (Late 2005) Take Apart — Processor (Quad) 
Version 1 Processor 
Note: For steps 3–6, remove or loosen the screws in the order indicated in the illustrations. 
For Version 2 of the processor, see steps 8-12.
Using a 3 mm flathead hex driver, loosen the four captive float plate screws. (Do not remove 
the captive screws from their standoffs.) 
Using a 3 mm flathead hex driver, remove the six long processor mounting screws. 
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Power Mac G5 (Late 2005) Take Apart — Processor (Quad) 
Using a 3 mm flathead hex driver, remove the four short screws that mount the two 
processor terminal assemblies.  
Using a 4 mm ballhead hex driver, loosen the four captive screws near the middle of the 
processor. 
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Power Mac G5 (Late 2005) Take Apart — Processor (Quad) 
Hold the heatsink by the middle and lift the processor/heatsink straight up out of the 
computer. 
  
Warning: The heatsink and processor are one unit. Do not attempt to separate the heatsink 
from the processor. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Power Mac G5 (Late 2005) Take Apart — Processor (Quad) 0
Version 2 Processor 
Note: For steps 8-11, remove or loosen the screws in the order indicated in the illustrations. 
For Version 1 of the processor, see steps 3-7.
Using a 3 mm flathead hex driver, loosen the four captive float plate screws. (Do not remove 
the captive screws from their standoffs.) 
Using a 3 mm flathead hex driver, remove the six long processor mounting screws. 
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