Introduction

The interconnect board hosts connections to the logic board, IO board, and both GPUs. Use this guide to remove and replace the interconnect board.

Image 1/2: Image 2/2:
  • Slide the lock switch to the right, to the unlocked position.

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Image 1/3: It may help to push down on the center of the fan while lifting the case up. Image 2/3: It may help to push down on the center of the fan while lifting the case up. Image 3/3: It may help to push down on the center of the fan while lifting the case up.
  • Lift the outer case straight up off the Mac Pro.

  • It may help to push down on the center of the fan while lifting the case up.

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Image 1/3: Image 2/3: Image 3/3:
  • Remove five 5.1 mm T10 Torx screws from around the outer perimeter of the fan assembly.

You don't have to remove the fan assy to get to the wifi board & card. It can be done with the fan assy still attached.

Fat Mango - Reply

Image 1/2: Tilt the assembly up away from the IO board. Image 2/2: Do not try to remove the fan assembly yet, as it is still attached by two cables.
  • The fan assembly is attached to the rest of the computer by two cables on the IO board side.

  • Tilt the assembly up away from the IO board.

  • Do not try to remove the fan assembly yet, as it is still attached by two cables.

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Image 1/1: These screws are captive in the Mac Pro. Do not try to remove these screws from your Mac Pro.
  • While supporting the fan assembly with one hand, loosen the two T7 captive screws in the fan cable bracket.

  • These screws are captive in the Mac Pro. Do not try to remove these screws from your Mac Pro.

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Image 1/1:
  • Use a pair of tweezers to pull the fan cable bracket away from the fan assembly.

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Image 1/2: Image 2/2:
  • Use the flat end of a spudger to disconnect the fan assembly ribbon cable from the IO board.

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Image 1/1: Remove the fan assembly from the Mac Pro.
  • Disconnect the fan assembly antenna cable from the IO board.

  • Remove the fan assembly from the Mac Pro.

You don't have to remove the fan assy to do the steps below. They can be done with the fan assy still attached.

Fat Mango - Reply

Image 1/3: Remove five 5.1 mm T10 Torx screws from the outer perimeter of the lower case. Image 2/3: Remove five 5.1 mm T10 Torx screws from the outer perimeter of the lower case. Image 3/3: Remove five 5.1 mm T10 Torx screws from the outer perimeter of the lower case.
  • Flip the Mac Pro upside down, 180 degrees.

  • Remove five 5.1 mm T10 Torx screws from the outer perimeter of the lower case.

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Image 1/2: Image 2/2:
  • Carefully lift the lower case up and remove it from the Mac Pro.

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Image 1/2: Image 2/2:
  • Use the flat end of a spudger and a twisting motion to gently separate one side of the graphics card data connection.

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Image 1/3: Flip the connector up and out of the way of the graphics card. Image 2/3: Repeat this procedure on the other graphics card. Image 3/3: Repeat this procedure on the other graphics card.
  • Gently separate the other side as well.

  • Flip the connector up and out of the way of the graphics card.

  • Repeat this procedure on the other graphics card.

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Image 1/1:
  • Remove the two 6.0 mm T7 Torx screws securing the interconnect board to the heat sink.

These are actually 6.0mm T8 Torx Screws. 12/07/2016.

Todd - Reply

Image 1/3: It is recommended to lift one side and then the other. Image 2/3: Do not try to remove the interconnect board from the Mac Pro yet, as it is still connected to the IO board. Image 3/3: Do not try to remove the interconnect board from the Mac Pro yet, as it is still connected to the IO board.
  • Gently walk the interconnect board straight up off the logic board's slot connection.

  • It is recommended to lift one side and then the other.

  • Do not try to remove the interconnect board from the Mac Pro yet, as it is still connected to the IO board.

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Image 1/2: Use the same sort of twisting and spreading motion with the flat end of a spudger to separate one side of the IO board data cable. Image 2/2: Use the same sort of twisting and spreading motion with the flat end of a spudger to separate one side of the IO board data cable.
  • Flip the interconnect board up and over, exposing the IO board data cable.

  • Use the same sort of twisting and spreading motion with the flat end of a spudger to separate one side of the IO board data cable.

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Image 1/2: Bend the cable out of the way and remove the interconnect board from the Mac Pro. Image 2/2: Bend the cable out of the way and remove the interconnect board from the Mac Pro.
  • Use the flat end of a spudger to separate the other side of the IO board data cable.

  • Bend the cable out of the way and remove the interconnect board from the Mac Pro.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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Andrew Optimus Goldberg

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