The Mac Pro First Generation is an Intel Xeon-based workstation computer manufactured by Apple Inc. The first generation model includes the machines from 2006 through 2008.

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Mac Pro ATX Conversion

Hi everyone

I am about to embark on an ATX conversion on an old Mac Pro G5/Xeon case. A pair of ultra cheap Xeon E5 2670 processors on eBay sparked me to do this, and I've lined up the motherboard, case and what not.

However, many of the good Mac Pro ATX conversion guides are quite dated, and as such the images to many of the guides have been taken down by the hosting website. Furthermore, most of the guides are really only for ATX conversion and not for say E-ATX builds.

I suppose my question would be: does anybody here have experience in converting the old Mac Pro cases into ATX compatible designs? What would be a good list of tools required in order to get this build done (I'm guessing a Dremel would be a good start...)? Finally, would an E-ATX conversion be significantly more difficult than an ATX conversion?

Thanks everyone -- looking forward to your replies.

(It would be awesome if someone could upload an iFixit guide for this. :P )

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mmm ...

I don't think many people have attempted putting in an E-ATX board into the older Mac Pro's. Most have done the standard ATX. Is there a reason you want to use a server class board here Vs a workstation class board?

Here's a good size comparison of the different boards:

Block Image

As you can see the E-ATX is slightly larger than the ATX board. It's board mountings are located differently as well.

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I would prefer to do a standard ATX conversion if I found a decently priced dual-socket board.

Alternatively, I could just use one of the CPUs and even go for a mATX conversion if I found a cheap X79 motherboard.

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Haven't found any ATX dual CPU boards out there. I would review Intel's ARK system to find the CPU that meets your needs (desires). Here's the latest chips: Intel Extreme series. As you can see they just released a 10 core (20 Virtual) chip! Which I'm sure you'll put to good use in a gaming box ;-}

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David Murakami will be eternally grateful.
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