Apple power mac g5 late 2004 User Manual

							
Power Mac G5 (Late 2004) Take Apart - 42
 Heatsink Cover 6. Once you feel the latches release, slide the cover to the left a short distance to  
release it from four metal mounting pegs located under the cover. 
7. Lift the cover up and off the heatsink.
Replacement Note:  Place the notches in the underside of the cover directly over the four 
mounting pegs. Slide the cover toward the back of the computer and then press down 
fi rmly until you feel the cover lock into place. 
						

							
Power Mac G5 (Late 2004) Take Apart - 43
 Processor Inlet Frame
Processor Inlet Frame
Warning:  The processor, heatsink, and logic board are a unit. Never separate the three, or 
you will damage the modules and void the warranty. The only parts you may remove from 
the unit are the heatsink cover and processor inlet frame.
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 heatsink cover.
Part Location 
						

							
Power Mac G5 (Late 2004) Take Apart - 44
 Processor Inlet Frame
Procedure
1. Lift the processor inlet frame straight up a short distance to disengage the openings in 
the frame from the three mounting pegs in the PCI divider.
2. Tilt the frame back from the heatsink and remove the frame from the enclosure. 
Replacement Note:  Make sure the inlet frame engages with the mounting pegs on the 
PCI divider and press down. 
						

							
Power Mac G5 (Late 2004) Take Apart - 45
 Rear Exhaust Fans
Rear Exhaust Fans
Tools
The only tool required for this procedure is needlenose pliers.
Preliminary Steps
Before you begin, open the computer, lay it on its side with the access side facing up, and 
remove the heatsink cover.
Part Location 
						

							
Power Mac G5 (Late 2004) Take Apart - 46
 Rear Exhaust Fans
Procedure
1. Press down on the two tabs on the top of the fan bracket to release the two latches.
2. Lift the fan bracket and fans a short distance out of the enclosure.
Warning:  Lift the bracket only a short distance because the fans are connected t\
o 
the logic board by a cable. You will disconnect the cable in the next st\
ep.
3. Disconnect the fan cable from the logic board and remove the fan assembly from the  enclosure.
Note:  Press the cable connector up toward the media shelf when disconnecting \
the 
cable. 
						

							
Power Mac G5 (Late 2004) Take Apart - 47
 Rear Exhaust Fans 4. If you are replacing the fans, use needlenose pliers to pull each fan off the four 
grommets that mount it to the bracket, and remove the fans and cable from the 
bracket.
Replacement Note:  When reinstalling the fan bracket in the enclosure,  first connect the 
fan cable to the logic board. Next, insert the two tabs on the bottom of the bracket into the 
slots in the enclosure’s fan guide. 
						

							
Power Mac G5 (Late 2004) Take Apart - 48
 Rear Exhaust Fans Then rotate the fan back 
flush with the rear panel, making sure the two latches on the top 
of the bracket engage with the two slots on the top of the fan guide.  
						

							
Power Mac G5 (Late 2004) Take Apart - 49
 Front Panel Board Cable
Front Panel Board Cable
Tools
No tools are required for this procedure.
Preliminary Steps
Before you begin, open the computer and lay it on its side with the access side facing up.
Part Location 
						

							
Power Mac G5 (Late 2004) Take Apart - 50
 Front Panel Board Cable
Procedure
1. Remove the covers from the connectors on each end of the front panel board cable.
2. Disconnect the cable from the logic board.
3. Disconnect the other end of the cable from the front panel board and remove the cable 
from the enclosure. 
						

							
Power Mac G5 (Late 2004) Take Apart - 51
 Front Panel Board
Front Panel Board
Tools
The only tools required for this procedure are a jeweler’s  flat-blade screwdriver and a 
Phillips screwdriver.
Preliminary Steps
Before you begin, open the computer and lay it on its side with the access side facing up.
Part Location