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xl-atx and e-atx mounting dimensions

post #1 of 8
Thread Starter 
Can anyone share the form factor pdf for xl-atx and eatx motherboards?

I am building a custom case with a custom mobo tray and I can't find either of these specs. I need the mounting hole placement so I can draw my tray up properly. I want my case to be able to house matx, atx, xl-atx, and eatx motherboards. I have the atx and matx drawings but XL-ATX and EATX are difficult to find.

http://www.formfactors.org/formfactor.asp does not seem to keep track of them... is there another organization in charge of them?

Thanks
post #2 of 8
As far as I know these 2 form factors are not internationally recognized as standards yet. They are manufacturer declared standards. They appear to use the same mounting locations as atx.

Maybe you've already seen these,but here's some links.The last one has a server based pdf showing some board dimensions that are the same size as the gigabyte xl board.


http://forum.xbitlabs.com/viewtopic.php?t=17568

http://en.wikipedia.org/wiki/ATX

http://www.xtremesystems.org/forums/showthread.php?p=4236327
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post #3 of 8
Thread Starter 
Thanks for the links
post #4 of 8
Thread Starter 
So I figured I would double check to make sure that the XL-ATX and EATX motherboards used the same mounting locations as ATX because they are so much larger I figured they would be different.

I sent an email to EVGA asking if they could share the mounting dimensions with me and they said they do not provide information like that for their motherboards. Does that seem strange to anyone but me?

Here was the question I asked:
Quote:
Hi,

I am building a custom case and I want to ensure that I can mount xl-atx and eatx motherboards in it (specifically an over-sized EVGA sli board).

I cannot find mounting hole placement standards anywhere for these sizes and it seems that these sizes are not international standards yet. However, since they are much larger than standard ATX form factors I figure that the mounting hole position will be different.

Can you please provide me with a pdf for each of the form factors that I can use to make my motherboard tray?

Thanks

Here was the response:
Quote:
Dear Customer,

Thank you for contacting the EVGA Customer Service Team.
My name is Matthew Hurwitz and I will be answering your question today.

Answer: Regrettably we do not provide such documents for our motherboard's. Regards, EVGA
post #5 of 8
Thread Starter 
Can anyone confirm that EATX and XL-ATX use the same mounting holes as regular ATX and are just on a larger board? I am sure someone has made a custom mother board tray before (as I haven't and am nervous just to assume it will work).

Thanks
post #6 of 8
Thread Starter 
Quote:
Originally Posted by ccc;12169653 
I sent an email to EVGA asking if they could share the mounting dimensions with me and they said they do not provide information like that for their motherboards. Does that seem strange to anyone but me?

Nobody finds EVGA's response unacceptable but me? Wow...
post #7 of 8
I found this.

Another option would be to see if you can find a sr2 motherboard tray layout.
post #8 of 8
Thread Starter 
Quote:
Originally Posted by krajee;12386033 
I found this.

Another option would be to see if you can find a sr2 motherboard tray layout.

Thanks Krajee.

I was really put off by the EVGA response and when I replied to the supervisor I was ignored so I have decided that I am not interested in supporting them or their products. The build I was making the case for was specifically for an all out EVGA build. I have shelved the project indefinitely and am going to give a go at a mATX build instead using a different set of components.

I appreciate the link though.
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