Apple power mac g5 late 2005 User Manual

							
Power Mac G5 (Late 2005) Take Apart — General Information 21
General Information
Orientation
For most take-apart procedures, it is recommended that you lay the computer on its side before 
removing or installing the part. For proper operation, however, Apple recommends that the 
unit be run in the upright position. The computer should never be operated on its side with the 
access panel facing down.
Tools
The following tools are required to service all configurations of the computer:
Long-handled magnetic Phillips #1 screwdriver
Long-handled 3 mm flathead hex screwdriver
Long-handled 4 mm ballhead hex screwdriver
Long-handled T-10 torx screwdriver
9/32-inch nut driver
1/4-inch nut driver
Short-handled or right-handled magnetic Phillips #2 screwdriver
Flatblade screwdriver
Jeweler’s flatblade screwdriver
Jeweler’s Phillips #0 screwdriver
Needlenose pliers
Small wire cutter
Xacto knife
Tape (for temporarily holding cables out of the way)
Small mirror (for seeing small boards inside the enclosure)
Soft cloth (for protecting removed parts from scratches)
Special Tools
Three of the tools listed above are available through GSX. The tools and their part numbers are
Long-handled 3 mm flathead hex screwdriver  (922-7122)
Long-handled 4 mm ballhead hex screwdriver  (922-7082)
Long-handled T-10 torx screwdriver  (922-7083)
These tools are necessary for removing/installing the processor and logic board in all 
configurations.
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Power Mac G5 (Late 2005) Take Apart — General Information 22
Power Cord
The power cord for the Power Mac G5 (Late 2005) is a heavy-duty cord that is specific to this 
model. The Power Mac G5 (Late 2005) power cord accommodates the computer’s more powerful 
power supply. 
Power cords from earlier Power Mac G5 models are not compatible and will not fit the power 
cord socket on the back of the Power Mac G5 (Late 2005) computer. Therefore, to supply power 
for troubleshooting or testing a Power Mac G5 (Late 2005) computer, you must make sure you 
have on hand its specific power cord. You can order the power cord from GSX as part number 
922-6782 (in North America). This power cord is compatible with all Power Mac G5 (Late 2005) 
configurations.
Parts Requiring Enclosure Replacement
The following are not separate, orderable parts. To replace them, you must replace the enclosure.
Media blower
Hard drive locking latches
Hard drive bay
Optical drive levers
Media shelf
Media bay sensor
Media bay sensor and air deflector sensor cable
Rear panel latch
Take Apart Procedures
This manual covers different configurations of the Power Mac G5 (Late 2005) computer. Some 
configurations may look slightly different from the one shown in the illustrations; however, except 
where indicated, the following procedures apply to all configurations.
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Power Mac G5 (Late 2005) Take Apart — Opening the Computer 23
Opening the Computer
Tools
No tools are required for this procedure.
Preliminary Steps
Shut down the computer. 
Warning: Always shut down the computer before opening it to avoid damaging its internal 
components or the components you are installing. Do not open the computer or attempt to 
install items inside it while it is on. 
Wait 5 to 10 minutes to allow the computer’s internal components to cool. 
Warning: After you shut down the system, the internal components can be very hot. You 
must let the computer cool down before continuing.
Unplug all external cables from the computer except the power cord.
Touch the metal PCI access covers on the back of the computer to discharge any static 
electricity from your body. 
Important: Always discharge static before you touch any parts or install any components 
inside the computer. To avoid generating static electricity, do not walk around the room until 
you have finished working and closed the computer.
Unplug the power cord. 
Warning: To avoid damaging its internal components or the components you want to  
install, always unplug the computer before attempting any take-apart procedure. 
Put on an ESD wrist strap.
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Power Mac G5 (Late 2005) Take Apart — Opening the Computer 24
Procedure
Hold the side access panel and lift the latch on the back of the computer.  
Warning: The edges of the access panel and the enclosure can be sharp. Be very careful 
when handling them.
Remove the access panel and place it on a flat surface covered by a soft, clean cloth. 
Replacement Note: Make sure the latch is in the up position before replacing the access 
panel. If the latch is down, the access panel will not seat correctly in the enclosure. 
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Power Mac G5 (Late 2005) Take Apart — Opening the Computer 25
Remove the air deflector and place it on a soft, clean cloth. 
Replacement Note: To replace the air deflector, insert the three tabs on the bottom edge of the 
deflector into the three slots in the bottom frame of the enclosure. Then swing the deflector up 
flush against the top frame of the enclosure.
Important: Make sure you re-install the air deflector before replacing the access panel. If the air 
deflector is not installed, the computer will not function properly.
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Power Mac G5 (Late 2005) Take Apart — Serial ATA Hard Drive 2
Serial ATA Hard Drive
The Power Mac G5 computer can accommodate two serial ATA hard drives in its internal hard 
drive bay. In most configurations, a single hard drive occupies the top portion of the bay. You can 
install one additional serial ATA hard drive to the empty slot in the bay. 
Important: Use the original Apple cables that came with the Power Mac G5 when installing ATA 
hard drives. 
Tools
The only tool required for this procedure is a Phillips #1 screwdriver.
Preliminary Steps
Before you begin, open the computer.
Part Location 
						

							
Power Mac G5 (Late 2005) Take Apart — Serial ATA Hard Drive 2
Procedure
Release the drive locking latch by rotating it up.
Disconnect the drive data cable and power cable from the hard drive. 
Pull the drive out of the drive bay, being careful not to touch the bottom of the drive.  
Note: If you encounter resistance, use a flatblade screwdriver to release the latches on the 
drive bay rails as you pull the drive out of the bay. (See circled areas on the illustration 
below.) If two drives are installed, remove the bottom drive first.  
 
Important: If the printed circuit board (PCB) is exposed on the bottom of the hard drive, 
hold the drive by its sides. To avoid damaging the replacement drive, take care not to touch 
the PCB during installation.
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Power Mac G5 (Late 2005) Take Apart — Serial ATA Hard Drive 2
Replacement Note: If you are replacing a hard drive with a new drive, transfer the four guide 
screws from the sides of the original drive to the new drive. If you are installing an additional 
drive, transfer the guide screws from the side of the hard drive bay to the drive.
Replacement Note: When replacing the top drive, make sure the guide screws align with the 
middle slot of the drive bay, and then gently push the drive into the bay until it snaps into place.
When installing a bottom drive, align the guide screws with the bottom slot of the drive bay and 
slide the drive in until it snaps into place. 
						

							
Power Mac G5 (Late 2005) Take Apart — Serial ATA Hard Drive Data Cable 2
Serial ATA Hard Drive  
Data Cable
Tools
The only tool required for this procedure is a small wire cutter.
Preliminary Steps
Before you begin, open the computer and remove the hard drive(s).
Part Location 
						

							
Power Mac G5 (Late 2005) Take Apart — Serial ATA Hard Drive Data Cable 30
Procedure
Upper Hard Drive Cable
Clip off the connector from the hard drive end of the upper hard drive data cable. 
Disconnect the cable from the logic board, pull the cable out of the hard drive bay, and 
remove the cable from the enclosure.
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