Apple mac pro User Manual

							Mac Pro Take Apart — Ambient Board 121
Procedure
Locate the ambient board on the inside left corner of the top panel, above the optical drive 1. 
carrier. 
Disconnect the ambient board cable from the ambient board.2.  
Using a jeweler’s flat-blade screwdriver, carefully pry the board from the enclosure. 3. 
Important: After you replace the ambient board, you must reset the System Management 
Controller. Refer to “Resetting the Logic Board” in the Troubleshooting chapter. 
						

							Mac Pro Take Apart — Ambient Board Cable 12 2
Ambient Board Cable
Tools
The only tool required for this procedure is a magnetized #1 Phillips screwdriver.
Preliminary Steps
Before you begin, open the computer, lay it on its side with the access side facing up, and remove 
the following:
Optical drive carrier and optical drive• s
Hard drives and hard drive carriers in drive bays 1 and • 2
PCI Express card installed in slot • 1
Any 12-inch PCI Express card• s
Top and bottom memory card• s
Processor heatsink cove• r
Front fan assembl• y
Part Location 
						

							Mac Pro Take Apart — Ambient Board Cable 12 3
Procedure
Remove any tape holding the ambient board cable to the enclosure.1. 
Disconnect the ambient board cable from the ambient board and logic board. 2.  
Using a magnetized #1 Phillips screwdriver, remove the two mounting screws on the hard 3. 
drive connector for drive bay 1 and move the connector out of the way. 
Route the ambient board cable out through the opening in the media shelf and remove the 4. 
cable from the enclosure.
Important: After you replace the ambient board cable, you must reset the System Management 
Controller. Refer to “Resetting the Logic Board” in the Troubleshooting chapter. 
						

							Mac Pro Take Apart — Bluetooth Antenna Board and Cable 12 4
Bluetooth Antenna Board and 
Cable
The Bluetooth antenna cable is part of the Bluetooth antenna board assembly. To remove or 
replace the cable, you must replace the antenna board assembly.
Tools
The only tool required for this procedure is a jeweler’s flat-blade screwdriver.
Preliminary Steps
Before you begin, open the computer, lay it on its side with the access side facing up, and remove 
the following:
Hard drives and hard drive carriers in drive bays 1 and • 2
PCI Express card installed in slot • 1
Any 12-inch PCI Express card• s
Top and bottom memory card• s
Processor heatsink cove• r
Front fan assembl• y
Bluetooth car• d
Processor heatsink• s
Memory cag• e 
						

							Mac Pro Take Apart — Bluetooth Antenna Board and Cable 12 5
Part Location
Procedure
Insert a jeweler’s flat-blade screwdriver into the notch on either side of the Bluetooth 1. 
antenna cage and carefully pry up the cage from the enclosure.  
						

							Mac Pro Take Apart — Bluetooth Antenna Board and Cable 126
Remove the Bluetooth antenna from its routing under the PCI port cage. 2. 
Remove the Bluetooth antenna from its guide on the far side of the PCI port cage. 3. 
Remove the antenna board and antenna from the enclosure.4.  
						

							Mac Pro Take Apart — Hard Drive Cable Harness 12 7
Hard Drive Cable Harness
The hard drive cable harness consists of the hard drive data cable and the hard drive power cable 
taped together. The cables are not available as separate service parts.
Tools
The only tools required for this procedure are a long-handled, magnetized #1 Phillips screwdriver.
Preliminary Steps
Before you begin, open the computer, lay it on its side with the access side facing up, and remove 
the following:
Hard drives and hard drive carriers in drive bays 1 and • 2
PCI Express card installed in slot • 1
Any 12-inch PCI Express card• s
Top and bottom memory card• s
Processor heatsink cove• r
Front fan assembl• y 
						

							Mac Pro Take Apart — Hard Drive Cable Harness 12 8
Part Location
Procedure
Disconnect the hard drive data and power cable connectors from the logic board. 1.  
						

							Mac Pro Take Apart — Hard Drive Cable Harness 129
Using a long-handled, magnetized #1 Phillips screwdriver, remove the two screws holding 2. 
the hard drive cable harness connector to the bracket below hard drive bay 1. 
Remove the connector from the bracket.3. 
Repeat for the other three connectors below hard drive bays 2, 3, and 4. 4. 
Remove the hard drive cable harness from the enclosure.5.  
						

							Mac Pro Take Apart — Hard Drive Temperature Sensor Cable 130
Hard Drive Temperature Sensor 
Cable
The hard drive temperature sensor cable is a wire harness with four connectors, one for each 
hard drive temperature sensor. Be careful not to catch or damage any of the wires when 
removing the harness from the enclosure.
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 following:
Hard drives and hard drive carriers in drive bays 1 and • 2
PCI Express card installed in slot • 1
Any 12-inch PCI Express card• s
Top and bottom memory card• s
Processor heatsink cove• r
Front fan assembl• y