Apple mac pro User Manual

							 Service Source
© 2006 Apple Computer, Inc. All rights reserved.
Mac Pro 
Updated: 4 March 2008  
						

							ii
Mac Pro 
Contents
Basics
Overview 6
Serial Number Location 7
Take Apart
General Information 9
Opening the Computer 10
Hard Drives  12
Optical Drive Carrier and Optical Drives   15
Memory (FB-DIMMs) and Memory Riser Cards  19
PCI Express/Graphics Card 23
Power Supply 29
Power Supply Fan  38
AirPort Extreme Card  47
Bluetooth Card  50
Battery 52
Processor Heatsink Cover  54
Front Fan Assembly 59
Mac Pro RAID Card & Battery  62
Processor Heatsinks 68
Memory Cage with Rear Fan  73
Processors 76 
						

							iii
Speaker Assembly 83
USB Cable 87
Logic Board  90
Front Panel Board  100
Power Button 105
AirPort Antenna Board with Cables  110
Optical Drive Power Cable 114
Optical Drive Data (Ribbon) Cable  117
Ambient Board 120
Ambient Board Cable  122
Bluetooth Antenna Board and Cable  124
Hard Drive Cable Harness 127
Hard Drive Temperature Sensor Cable  130
Hard Drive Temperature Sensor 133
Power Cable Harness 136
Troubleshooting
General Information 140
Memory 140
PCI Express Cards  141
Internal Cabling Matrix  141
Thermal Calibration 143
Block Diagram 144
Resetting the Logic Board  145
Power-On Self Test: RAM and Processor Verification  146
Diagnostic LEDs 147
Power Supply Verification   152
Mac Pro Firmware Updates  152
Symptom Charts 154
How to Use the Symptom Charts   154
Startup Failures  154
Fans  157
Other Failures   158 
						

							iv
Upgrades
AirPort Extreme Card 162
Bluetooth Card  165
PCI Express/Graphics Card  167
Views
Exploded View 172
External Views 174
Screw Matrix 176 
						

							 Service Source
© 2006 Apple Computer, Inc. All rights reserved.
Basics
Mac Pro 
						

							Mac Pro Basics 6
Overview
The Mac Pro form factor is similar to that of earlier Power Mac G5 models. However, the Mac Pro 
includes several new hardware features, including:
Two dual-core Intel processors• 
All Mac Pro models have two dual-core Intel Xeon processors, effectively making them quad 
processor computers.
FB-DIMM memory supporting ECC and up to 16 GB of RAM• 
Higher performance memory with support for error correction and greater capacity means 
more room to grow when using high-performance computing applications.
Four internal hard drives• 
Mac Pro supports up to four serial ATA (SATA) hard drives in easy-to-install drive carriers.
Two optical drives• 
Mac Pro offers support for two cable-select optical drives
In addition to the features above, Mac Pro includes logic board diagnostic LEDs that help you 
better diagnose hardware issues.
  
						

							Mac Pro Basics 7
Serial Number Location
To identify a particular Mac Pro computer, check the computer’s serial number. You can find the 
serial number within the model’s configuration label, which is located on the computer’s back 
panel directly below the video ports. 
						

							 Service Source
© 2006 Apple Computer, Inc. All rights reserved.
Take Apart
Mac Pro 
						

							Mac Pro Take Apart — General Information 9
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 magnetized Phillips #1 screwdriver• 
Long-handled magnetized 3 mm flathead hex screwdriver• 
Short-handled, magnetized 2.5 mm hex wrench• 
Flat-blade screwdriver• 
Magnetized jewelers Phillips #1 screwdriver • 
Magnetized jeweler’s Phillips #0 screwdriver• 
Jeweler’s flat-blade screwdriver• 
Socket wrench• 
Apple Mac Pro wrench (part number 922-8025)• 
Needlenose pliers• 
Scissors or wire cutters• 
Xacto knife• 
Nylon probe tool (black stick)• 
Tape (for temporarily holding cables out of the way)• 
Small mirror (for seeing small boards inside the enclosure)• 
Soft cloth (for protecting the enclosure from scratches)• 
Parts Requiring Enclosure Replacement
The following are not separate, orderable parts. To replace them, you must replace the enclosure.
Media shelf• 
Rear panel latch•  
						

							Mac Pro — Opening the Computer 10
Opening the Computer
Tools
No tools are required for this procedure.
Preliminary Steps
Shut down the computer. 1. 
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. 2.  
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.3. 
Touch the metal PCI access covers on the back of the computer to discharge any static 4. 
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. 5. 
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.6.