Apple power mac g5 early 2005 User Manual

 Service Source
© 2005 Apple Computer, Inc. All rights reserved.
Power Mac G5
Power Mac G5, Power Mac G5 (June 2004), Power Mac G5 (Early 2005) 
Updated: 20 June 2006 

Power Mac G5
Contents
Basics
Overview 11
Serial Number Location  1
3
Features  1
4
Overview  14
DDR Memory  1
5
Video  1
6
Fan Controller  1
7
Optical Audio  1
7
Wireless  1
7
Ports  1
8
Take Apart
General Information  21
Orientation 21
Tools  2
1
Parts Requiring Enclosure Replacement  2
1
Take Apart Procedures  2
2
Opening the Computer  23
Serial ATA Hard Drive  2
7
Serial ATA Hard Drive Data Cable  3
0
Optical Drive  3
5
Front Inlet Fan(s)  4
0 

Memory (DIMMs) 44
AGP/PCI Card  4
7
AirPort Extreme Card  5
1
Battery  5
3
PCI Card Guide  5
5
Speaker/Fan Assembly  5
7
Modem: Power Mac G5, Power Mac G5 (June 2004 Dual 1.8 GHz)  6
0
Soft Modem: Power Mac G5 (June 2004 Dual 2.0/2.5 GHz), Power Mac G5 
(Early 2005) 6
2
Bluetooth Card  6
4
Heatsink Cover: Power Mac G5  6
6
Heatsink Cover: Power Mac G5 (June 2004/Early 2005)  6
8
Processor: Power Mac G5, Power Mac G5 (June 2004 Dual 1.8/2.0 GHz), Power 
Mac G5 (Early 2005 Dual 2.0/2.3 GHz) 7
2
Processor:...

Power Supply: Power Mac G5 (June 2004 Dual 2.5 GHz and Early 2005 Dual 2.7 
GHz) 10
5
Media Bay Sensor Board  10
9
Air Deflector Sensor Board  11
2
Air Deflector Sensor Label  11
4
Logic Board: Power Mac G5   11
6
Logic Board: Power Mac G5 (June 2004/Early 2005)   12
6
Modem Filter Board and Cables: Power Mac G5 (June 2004/Early 2005)  13
5
Antenna Board and Cables: Power Mac G5 (June 2004/Early 2005)  14
0
PCI Divider: Power Mac G5  14
3
PCI Divider: Power Mac G5 (June 2004/Early 2005)  14
7
Thermistor...

Troubleshooting
General Information 171
Liquid Cooling System (LCS)  171
DDR Memory  17
2
PCI and AGP Cards  17
3
Block Diagram  17
5
Thermal Calibration  17
6
Resetting the PMU on the Logic Board  17
6
Power-On Self Test: RAM and Processor Verification  17
7
Front Panel Board Troubleshooting  17
7
Power Supply Verification  17
8
Pinouts  17
9
Symptom Charts  183
How to Use the Symptom Charts  183
Startup Failures  18
3
Startup Failures for Power Mac G5 (June 2004 Dual 2.5 GHz/Early 2005 Dual 2.7 GHz)...

Views
Exploded Views, Power Mac G5 203
Exploded View 1 203
Exploded View #2  20
4
Exploded Views, Power Mac G5 (June 2004 Dual 1.8/2.0 GHz)  205
Exploded View 1 205
Exploded View #2  20
6
Exploded Views, Power Mac G5 (June 2004 Dual 2.5 GHz)  207
Exploded View 1 207
Exploded View #2  20
8
Exploded Views, Power Mac G5 (Early 2005 Dual 2.0/2.3 GHz)  209
Exploded View 1 209
Exploded View #2  21
0
Exploded Views, Power Mac G5 (Early 2005 Dual 2.7 GHz)  211
Exploded View 1 211
Exploded View #2  21
2
Screw...

 Service Source
© 2005 Apple Computer, Inc. All rights reserved.
Basics
Power Mac G5 

Power Mac G5 Basics 11

Overview
Power Mac G5 is a 64-bit desktop computer powered by the PowerPC G5 processor in uni- or 
dual-processor configurations. It offers memory expansion up to 8 GB, front-side bus up to 1.25 
GHz, and advanced 64-bit computation, while running existing 32-bit applications natively. The 
computer also includes serial ATA hard drives, high-end graphics capabilities, and computer-
controlled cooling based on four independent zones. 
This manual covers the following Power Mac G5...

12 Power Mac G5 Basics
Original Power Mac G5
Original Uni 1.6 GHzOriginal Uni 1.8 GHzOriginal Dual 1.8GHzOriginal Dual 2.0GHz
800 MHz front bus900 MHz front bus900 MHz front bus1 GHz front bus
256 MB DDR333 
SDRAM, expandable 
to 4 GB 
512 MB DDR400 
SDRAM, expandable 
to 8 GB
512 MB DDR400 
SDRAM, expandable 
to 8 GB
512 MB DDR400 
SDRAM, expandable 
to 8 GB
80 GB Serial ATA drive160 GB Serial ATA 
drive
160 GB Serial ATA 
drive
160 GB Serial ATA 
drive
SuperDriveSuperDriveSuperDriveSuperDrive
Three...

Power Mac G5 Basics 13

Serial Number Location
To identify a particular model of Power Mac G5, check the computer’s serial number, which lists 
the model’s configuration. The serial number is located directly below the air deflector inside the 
side access panel.