Apple Power Mac G5 2005 Service Manual
Service Source
Power Mac G5 (Late 2005)
Power Mac G5 (Late 2005 Dual 2.0/2.3 GHz) and
Power Mac G5 (Late 2005 Quad)
Updated: 2 November 2006
© 2005 Apple Computer, Inc. All rights reserved.
Power Mac G5 (Late 2005)
Contents
Repair Extension Program
Power Mac G5 (Late 2005)Repair Extension Program 6
Program Overview 6
Eligible Products 6
Repair Strategy 9
Special CompTIA Code 10
Replacement Parts 10
Reimbursement Strategy 11
Basics
Overview 13
Gotchas 1
5
Serial Number Location 17
Liquid Cooling System (LCS) 18
General Safety Information 18
Safety Guidelines 18
Take Apart
General Information 21
Orientation 21
Tools 21
Special Tools 21
Power Cord 22
Parts Requiring Enclosure Replacement 22
Take Apart Procedures 22
Opening the Computer 23
Serial ATA Hard Drive 26
Serial ATA Hard Drive Data Cable 29
ii
Optical Drive 34
Front Inlet Fan Assembly 38
Memory (DIMMs) 41
Graphics Card/PCI Express Card 44
Battery 50
AirPort Extreme/Bluetooth Combo Card and Runway Card 52
PCI Card Guide 55
Speaker/Fan Assembly 57
Ambient Board 59
Heatsink Cover 61
Rear Exhaust Fan Assembly 64
PCI Divider 68
Media Bay Fan 72
Processor Inlet Frame (Dual 2.0/2.3 GHz) 75
Processor (Dual 2.0/2.3 GHz) 77
Processor Inlet Frame (Quad) 83
Processor (Quad) 85
Processor Support Bar and Cable 103
Front Panel Board 106
Power Button 109
Logic Board 112
Antenna Board and Cables 120
Power Supply 126
Air Deector Sensor Board 132
Troubleshooting
General Information 136
DDR2 Memory 136
iii
PCI Express Cards 137
Thermal Calibration 138
Resetting the Logic Board 138
Power-On Self Test: RAM and Processor Verication 139
Diagnostic LEDs 139
Power Supply Verication 141
Symptom Charts 144
How to Use the Symptom Charts 144
Startup Failures 144
Fans 148
Other Failures 149
Upgrades
AirPort Extreme/Bluetooth Combo Card and Runway Card 152
Views
Exploded Views 156
Exploded View 1 156
Exploded View 2 157
Screw Matrix 158
Internal Views 160
Overview 160
Logic Board 161
External Views 162
Front View 162
Rear View 163
iv
Service Source
Repair Extension Program
Power Mac G5 (Late 2005)
© 2005 Apple Computer, Inc. All rights reserved.
Power Mac G5 (Late 2005) Repair Extension Program
The Power Mac G5 (Late 2005) Repair Extension Program (REP) for Power Supply Issues covers
repairs for Power Mac G5 (Late 2005) computers exhibiting power-related issues due to specic
component failure within the computer’s power supply. If a Power Mac G5 (Late 2005) computer
fails to start up after the power button has been pressed and the computer’s serial number is
within the ranges noted below, the computer may be eligible for repair, free of charge to the
customer. There are no known safety issues caused by this component failure.
Program Overview
The Power Mac G5 (Late 2005) REP for Power Supply Issues covers Power Mac G5 (Late 2005)
models with a 1 KW AcBel power supply that exhibit one of the following power symptoms:
Computer will not start up after the power button is pressed
•
No LED activity
•
The computers must also fall within the eligible number ranges noted below. If these conditions
are met, the power supply should be replaced under this program.
The REP covers aected Power Mac G5 (Late 2005) computers for up to two years from the
original date of purchase, even if a computer is out of warranty. This worldwide Apple program
does not extend the standard warranty coverage of a computer. Apple will continue to evaluate
the repair data and will provide further repair extensions as needed.
Note: Customers are responsible for the repair cost of any damage caused by accident or misuse,
or for issues that do not relate directly to the specic power supply issues covered by this REP.
Eligible Products
The program is available for Power Mac G5 (Late 2005) computers that were sold between
approximately October 2005 and August 2006 and have a 1 KW AcBel power supply.
Eligible computers must meet the following conditions:
The computer exhibits one of the symptoms described in “Program Overview.”
•
The computer’s serial number falls within a specic range.
•
The power supply label lists AcBel as the manufacturer.
•
Power Mac G5 (Late 2005) Repair Extension Program for Power Supply Issues 6
Serial Number Identication
To identify an eligible Power Mac G5 (Late 2005) computer, rst check the computer’s serial
number. Eligible computers have serial numbers with the rst ve digits falling within one of the
ranges noted below:
CK539xxxxxx – CK608xxxxxx
•
G8539xxxxxx – G8608xxxxxx
•
YM539xxxxxx – YM608xxxxxx
•
RM539xxxxxx – RM608xxxxxx
•
All Power Mac G5 (Late 20005) computer serial numbers are located directly below the air
deector inside the side access panel.
Power Supply Identication
If the computer’s serial number falls within the eligible range, you must then inspect the power
supply itself to determine if it is an AcBel power supply. After removing the power supply from
the enclosure, check the label on the bottom of the power supply.
Important: Before removing a power supply, inform the customer that a more thorough
inspection will be required to determine if the computer qualies for the REP. If the computer
does not qualify, contact the customer for resolution.
Power Mac G5 (Late 2005) Repair Extension Program for Power Supply Issues 7
The AcBel label looks like this. Make sure the label lists both “AcBel” and “1000W.”
Excluded Repairs
Customers are responsible for the repair cost of any damage caused by accident or misuse. For
example, computers that show signs of having been dropped or of liquid spills into the case are
not eligible for the Power Mac G5 (Late 2005) REP.
Customers are also responsible for issues that do not relate directly to the specic power supply
issues covered by this program. For example, if a Power Mac G5 (Late 2005) computer is taken
to an Apple service provider with a power supply failure eligible under the program and a hard
drive issue, Apple will cover the power supply repair, but the cost of repairing the hard drive is
the customer’s responsibility.
Power Mac G5 (Late 2005) Repair Extension Program for Power Supply Issues 8
Repair Strategy
Required service parts for this program are available so that certied technicians may repair
eligible Power Mac G5 (Late 2005) computers at an Apple service provider location. Repairs
completed for this program are exempt from the AppleCare Service Excellence program.
Customers are responsible for transportation costs to eligible service providers and retail stores.
Asia-Pacic, Canada, Europe (except IMCs), Japan, United States
Warranty Repairs
If a Power Mac G5 eligible for this program is currently covered by an Apple warranty or
extended service agreement, service providers should create the repair in the usual manner.
However, it is extremely important that you select the specic CompTIA code created for this
program (see “Special CompTIA Code”).
Out-of-Warranty Repairs
Until further notice, Apple asks that service providers in all regions that use GSX select the “Mark
for Review” checkbox on all out-of-warranty carry-in repairs created for Power Mac G5 computers
eligible for coverage under this repair extension program. In addition, it is extremely important
that you select the specic CompTIA code created for this program (see “Special CompTIA Code”).
Apple Retail
For the repair to be covered, Mac Genii should make the following selections in GCRM to ensure
the Power Mac G5 (Late 2005) Power Supply REP CompTIA code is assigned to the in-store repair:
Service Type: In-store Repair
Reason for Service: No Power
Component: Power, Video, as appropriate
Issue: Power Mac G5 (Late 2005) Power Supply Issues REP
CompTIA Modier: select most appropriate
For out-of-warranty computers, check the Override Warranty box in the Coverage section
of GCRM and select “Quality Program” for the reason. To generate the QP code, click on the
magnifying glass icon and select the Quality Program code for Power Mac G5 (Late 2005).
European IMCs
For repairs covered under the Power Mac G5 (Late 2005) REP for Power Supply Issues, IMCs in
Europe must order power supplies as stock parts using the part numbers listed above. To receive
credit for the covered power supplies, IMCs must request an RMA number from the SPS team and
return the defective parts to Apple with the RMA number.
Power Mac G5 (Late 2005) Repair Extension Program for Power Supply Issues 9
Latin America
Latin American service providers should order parts for this repair extension program in the usual
manner. Service providers submitting a warranty claim should select “Quality Programs” as the
claim type and ensure the defective power supply’s serial number is entered in the Defective SN
eld.
Special CompTIA Code
Apple has created the following CompTIA code to use for repair on Power Mac G5 (Late 2005)
computers eligible under the Power Mac G5 (Late 2005) REP for Power Supply Issues.
Use CompTIA Code 663: PMG5 (Late 2005) Power Supply REP when replacing a power
supply under the Power Mac G5 (Late 2005) REP, whether or not the computer is covered by
warranty or an extended service agreement.
Japan (Mail-In Repairs Only)
Service providers in Japan who create a mail-in repair for Power Mac G5 (Late 2005) computers
eligible under the Power Mac G5 (Late 2005) REP for Power Supply Issues should select one of the
following two CompTIA codes:
Use CompTIA Code 663: PMG5 (Late 2005) Power Supply REP for power supply repairs
•
covered under the Power Mac G5 (Late 2005) REP for Power Supply Issues.
Use CompTIA Code 664: PMG5 (Late 2005) Power Supply REP Multiple Issues for products
•
exhibiting the symptoms listed above, but requiring repairs in addition to those covered by
the Power Mac G5 (Late 2005) REP for Power Supply Issues.
Replacement Parts
The only part eligible to be replaced under this repair extension program is the 1 KW AcBel
power supply, part number 661-3738.
Power Mac G5 (Late 2005) computers with quad 2.5 GHz processors must use the 1 KW power
supply as the replacement part. However, if you are repairing a 1 KW power supply in a Power
Mac G5 (Late 2005) computer with either dual 2 GHz or dual 2.3 GHz processors, you may use the
710 W power supply, part number 661-3737, as the replacement part. The following table shows
the replacement options:
Conguration Original Power Supply Replacement Power Supply
Quad 2.5 GHz 661-3738 661-3738
Dual 2.3 GHz 661-3738 661-3737 or 661-3738
Dual 2.0 GHz 661-3738 661-3737 or 661-3738
The parts listed above are the only approved power supply replacements covered under the
Power Mac G5 (Late 2005) REP for Power Supply Issues. Apple will accept 1 KW KBB power
supplies, part number 661-3738, in exchange for 710 W power supplies ordered with part number
661-3737.
Power Mac G5 (Late 2005) Repair Extension Program for Power Supply Issues 10
Apple will charge service accounts for any parts ordered for repairs involving units eligible for
the Power Mac G5 (Late 2005) REP that are not related to this program and are not covered by
warranty or an extended AppleCare service agreement.
Reimbursement Strategy
Apple is aware that some customers may have paid for out-of-warranty repairs that now qualify
under this program. If a customers’ Power Mac G5 (Late 2005) computer was repaired out of
warranty and he/she believes the repair qualied under the Power Mac G5 (Late 2005) REP for
Power Supply Issues, Apple will review the claim and determine if the customer qualies for
reimbursement of the repair cost.
If the claim is determined to be eligible for repair under the Power Mac G5 (Late 2005) REP, Apple
will reimburse your customer directly.
Apple will work with service providers to inform aected customers (where contact information
is available) about details on the reimbursement process. If your service location has conducted
any out-of-warranty repairs that are eligible under this program, Apple will contact you in the
near future to coordinate communications to aected customers.
Note: Service that was performed to repair damage caused by accident or misuse is not covered
under this program.
Power Mac G5 (Late 2005) Repair Extension Program for Power Supply Issues 11
Service Source
Basics
Power Mac G5 (Late 2005)
© 2005 Apple Computer, Inc. All rights reserved.
Overview
Power Mac G5 (Late 2005) is the third generation of Power Mac G5 computers. It leverages the G5
architecture with the following new features:
G5 dual core processor (two processors on one chip): The Power Mac G5 (Late 2005 Dual
•
2.0 GHz/2.3 GHz) models use a single dual-core PowerPC G5 processor for dual processor
function. The Power Mac G5 (Late 2005 Quad 2.5 GHz) model uses two dual-core PowerPC
G5 processors for quad processor power.
533 MHz DDR2 main memory
•
PCI Express 16x video support
•
PCI Express 4x and 8x expansion support
•
Two enhanced 1GB Ethernet ports (supporting jumbo frames) on the back panel
•
Three USB 2.0 ports on the back panel
•
Combination Airport Extreme/Bluetooth card (CTO option)
•
External Apple USB modem (CTO option)
•
Diagnostic LEDs on logic board
•
Power Mac G5 (Late 2005) Basics 13
Differentiating the Power Mac G5 (Late 2005)
Gigabit Ethernet Ports (2)
USB 2.0 Ports (3)
USB 2.0 Ports (2)
Gigabit Ethernet Port
While Power Mac G5 (Late 2005) computers look similar to earlier Power Mac G5 models, you can
easily dierentiate the Power Mac G5 (Late 2005) by checking the back panel. Power Mac G5 (Late
2005) computers include two Gigabit Ethernet ports and three USB 2.0 ports, as illustrated below.
Power Mac G5 (Late 2005)
Earlier models include just one Gigabit Ethernet port and two USB 2.0 ports.
Earlier Power Mac G5 Models
Power Mac G5 (Late 2005) Basics 14
Gotchas
Although the Power Mac G5 (Late 2005) computer looks similar to earlier Power Mac G5 models,
there are a number of signicant service and support dierences. Before troubleshooting or
servicing a Power Mac G5 (Late 2005), make sure you are familiar with the following points.
DDR2 memory: The Power Mac G5 (Late 2005) computer uses both ECC and NECC DDR2 DIMMs.
Refer to “DDR2 Memory” in the Troubleshooting chapter for more information about identifying
and installing these DIMMs.
PCI Express expansion slots: The Power Mac G5 (Late 2005) contains four PCI Express expansion
slots for graphics and other expansion cards. Refer to “PCI Express Cards” in the Troubleshooting
chapter for more information.
Graphics cards: Note the following dierences in Power Mac G5 (Late 2005) graphics cards:
Because Power Mac G5 (Late 2005) logic boards use PCI Express technology for all expansion
•
slots, AGP graphics cards and all earlier PCI cards are not compatible with these computers.
Graphics cards for the Power Mac G5 (Late 2005) have two DVI connectors.
•
Some cards ship with an adapter for connecting two DVI monitors.
•
The NVIDIA Quadro FX 4500 graphics card requires a new internal booster power cable. Refer
•
to the NVIDIA Quadro FX 4500 card take-apart procedure.
Special tools: Three special tools are required for servicing the Power Mac G5 (Late 2004)
computer. Refer to “Special Tools” in the Take Apart chapter.
Power cord: Because the power cord for the Power Mac G5 (Late 2005) is a special heavy-duty
cord specic to this model, power cords from earlier Power Mac G5 models are not compatible.
You can order the Power Mac G5 (Late 2005) power cord from GSX. For more information, refer to
“Power Cord” in the Take Apart chapter.
Diagnostic LEDs: To aid in troubleshooting the Power Mac G5 (Late 2005), a set of diagnostic
LEDs has been added to the Power Mac G5 (Late 2005) logic board. Refer to “Diagnostic LEDs” in
the Troubleshooting chapter for instructions on how to locate and interpret the LEDs.
Power supply verication: The Power Mac G5 (Late 2005) computer uses a new method of
power supply verication. Refer to “Power Supply Verication” in the Troubleshooting chapter.
AirPort Extreme/Bluetooth combo card: The separate AirPort Extreme and Bluetooth cards
used in earlier Power Mac G5 models have been replaced by a single AirPort Extreme/Bluetooth
combination card in the Power Mac G5 (Late 2005). The earlier cards are not compatible with
the Power Mac G5 (Late 2005). For more information, refer to “AirPort Extreme/Bluetooth
Combination Card” in the Take Apart chapter and Knowledge Base article 302721.
Power Mac G5 (Late 2005) Basics 15
No external antenna: There is no external AirPort Extreme/Bluetooth antenna on the Power Mac
G5 (Late 2005) computer. The antenna board requires an entirely new take apart procedure.
Modem: There is no internal modem available for the Power Mac G5 (Late 2005) computer.
Instead, Apple oers a CTO option for an external USB modem.
Processor support bar: A support bar has been added under the processor/heatsink on all
congurations of the Power Mac G5 (Late 2005).
Processor screws: The mounting screws for the Power Mac G5 (Late 2005) processors must be
removed and replaced in a dierent order from the screws on earlier Power Mac G5 processors.
Refer to the Take Apart procedures for the Dual processors and Quad processor. Note that there
is a specic order both for removing and for replacing the screws on the Quad processor.
Media bay fan: It is possible to replace the media bay fan on the Power Mac G5 (Late 2005)
computer. The fan could not be replaced on earlier Power Mac G5 models.
Other new take-apart procedures: Pay special attention to dierences from earlier models in
the take-apart procedures and warnings for the following modules:
Logic board
•
Power supply
•
Front panel board
•
Power Mac G5 (Late 2005) Basics 16
Serial Number Location
To identify a particular Power Mac G5 (Late 2005) computer, check the computer’s serial number,
which lists the model’s conguration. The serial number is located directly below the air deector
inside the side access panel.
Power Mac G5 (Late 2005) Basics 17
Liquid Cooling System (LCS)
The Power Mac G5 (Late 2005 Quad) conguration uses a liquid cooling system (LCS) to manage
the temperature in the computer. The liquid cooling system is sealed and is designed to be
opened only by an Apple Authorized Service Provider (AASP). To ensure proper safety and
handling of the LCS system, please read the following information.
General Safety Information
The LCS cooling system uid is predominantly water (80% or greater) with a mixture of corrosion
inhibitors and bacterial growth preventatives. In normal use in a non-leaking LCS there are no
special handling considerations. However, if a leak in the system is suspected or discovered and
the computer is plugged in, remove power to the computer by pulling the power plug.
Nitrile or rubber glove should be worn when handling an LCS module that is leaking or
suspected to be leaking. Evidence of leaks would include corrosion around ttings in the LCS
coolant system, a liquid present, or a slick or slimy feel when handling the part. For leaks or spills,
wipe up the uid using rags, paper towels, or other suitable materials. Dispose of all cleaning
materials according to local laws and regulations Do not combine used coolant with any other
chemical.
When returning a failed LCS module to Apple, place the module (leaking or not) in the packaging
that the replacement module came in. Follow the packaging instructions included with the
replacement module. Failure to follow the instructions could damage the equipment and void
warranty coverage.
Safety Guidelines
Below is a summary of rst aid measures for exposure to the liquid. For complete instructions
refer to the Material Safety Data Sheets (MSDS) for the liquid. The Safety Data Sheets can be
found at http://www.apple.com/environment/resources/msds.html.
Eyes: Immediately ush with plenty of water. If wearing contact lenses, after initial ushing,
remove contact lenses and continue to ush for 15 minutes. Have eyes examined by a
medical professional if irritation persists.
Skin: Wash skin with running water. Remove contaminated clothing. The recommended
ushing is 15 minutes if pain or irritation occurs. Seek medical attention if irritation or
redness develops.
Ingestion: Ingestion of this product, while unlikely to occur in its containment, may cause
irritation of the mouth and throat, gastric upset, stomach ache, cramps, nausea and vomiting.
Power Mac G5 (Late 2005) Basics 18
If the product is swallowed, CALL PHYSICIAN OR POISON CONTROL CENTER FOR MOST
CURRENT INFORMATION. If professional advice is not available, do not induce vomiting.
Contaminated individuals should drink milk, egg whites, or large quantities of water. Never
induce vomiting or give diluents (milk or water) to someone who is unconscious, having
convulsions, or unable to swallow.
Power Mac G5 (Late 2005) Basics 19
Service Source
Take Apart
Power Mac G5 (Late 2005)
© 2005 Apple Computer, Inc. All rights reserved.
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 congurations of the computer:
Long-handled magnetic Phillips #1 screwdriver
•
Long-handled 3 mm athead 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 atblade 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 athead 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
congurations.
Power Mac G5 (Late 2005) Take Apart — General Information 21
Power Cord
The power cord for the Power Mac G5 (Late 2005) is a heavy-duty cord that is specic 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 t 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 specic 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)
congurations.
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 deector sensor cable
•
Rear panel latch
•
Take Apart Procedures
This manual covers dierent congurations of the Power Mac G5 (Late 2005) computer. Some
congurations may look slightly dierent from the one shown in the illustrations; however, except
where indicated, the following procedures apply to all congurations.
Power Mac G5 (Late 2005) Take Apart — General Information 22
Opening the Computer
Tools
No tools are required for this procedure.
Preliminary Steps
1.
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.
2.
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.
3.
Unplug all external cables from the computer except the power cord.
4.
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 nished working and closed the computer.
5.
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.
6.
Put on an ESD wrist strap.
Power Mac G5 (Late 2005) Take Apart — Opening the Computer 23
Procedure
Hold the side access panel and lift the latch on the back of the computer.
1.
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 at surface covered by a soft, clean cloth.
2.
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.
Power Mac G5 (Late 2005) Take Apart — Opening the Computer 24
Remove the air deector and place it on a soft, clean cloth.
3.
Replacement Note: To replace the air deector, insert the three tabs on the bottom edge of the
deector into the three slots in the bottom frame of the enclosure. Then swing the deector up
ush against the top frame of the enclosure.
Important: Make sure you re-install the air deector before replacing the access panel. If the air
deector is not installed, the computer will not function properly.
Power Mac G5 (Late 2005) Take Apart — Opening the Computer 25
Serial ATA Hard Drive
The Power Mac G5 computer can accommodate two serial ATA hard drives in its internal hard
drive bay. In most congurations, 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 26
Procedure
Release the drive locking latch by rotating it up.
1.
Disconnect the drive data cable and power cable from the hard drive.
2.
Pull the drive out of the drive bay, being careful not to touch the bottom of the drive.
3.
Note: If you encounter resistance, use a atblade 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 rst.
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.
Power Mac G5 (Late 2005) Take Apart — Serial ATA Hard Drive 27
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 28
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 29
Procedure
Upper Hard Drive Cable
Clip o the connector from the hard drive end of the upper hard drive data cable.
1.
Disconnect the cable from the logic board, pull the cable out of the hard drive bay, and
2.
remove the cable from the enclosure.
Power Mac G5 (Late 2005) Take Apart — Serial ATA Hard Drive Data Cable 30
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