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l008com Jun 24, 2000 12:18 AM
Which Motherboards fit in which Macs?
I have a 7500 with many upgrades, like dual 604e's, 128MBRAM, CDR, etc. I love it but i'm sick of it taking up all my desk. I have a plan, I want to buy a 8X00/9X00 case, power supply, and mother board, and transplant all of my goodies to it, so I will have a nice tower taking up little space. I also have very little cash to spend on this. I know I can pick up a tower and motherboard on ebay, but picking up mathing ones may be difficult, so i need toknow if any (or all) mother boards will fit in different models of the towers. I know 8000's and 9000's are different so probably none of thier motherboards are swappable, but what about an 8100 with an 8500? Stuff like that? Also I wouldn't want a motherboard that is slower than my 7500's, which has a bus speed of 50MHz, comapred to the 8100's motherboard's bus speed of 40MHz. But an 8500's motherbaord in an 8100 tower would be quite affordable and be a nice solution to my problems. Have I over explained it enough yet? Hope so.
Also I'd love to have a 9000 system just for all those extra PCI slots, but that would probably be too much loot unless I get lucky on ebay.

I see dead people.
l008com Jun 24, 2000 12:47 AM
or even better, will my 7500 motherboard fit in any of the 8000 cases?

I see dead people.
TheDoctor Jun 24, 2000 09:46 AM
If you go to, and look up the specs of any Macintosh, you will notice a category called "form factor". This tells you what motherboards fit in what cases with no modification. For example, the SE, SE FDHD, and SE/30 all have a form factor of SE.
l008com Jun 24, 2000 10:43 AM
Yes, but i need to know if any mother board from the 7500's will fit in any of the 8000 towers, which is a totally different form factor, but still might be the same size motherbaord. I know someone has done this before!

I see dead people.
The Wolfe Jun 26, 2000 04:11 PM
No. Your 7500 logic board will not fit inside an 8100 case. It has to do with the powersupply connector placement, and other little issues. I wouldn't suggest an 8100 case anyway.

It is very doubtful that the 7500 board will fit inside a 9500 case either, even though it's a bigger case with more room.

-Eliott Wolfe
Winnetka, Calif
l008com Jun 26, 2000 07:56 PM
Is there any otwer that my 7500 board can fit in? Even a quadra 900? I can deal with a little modification of that's what it takes. What about PC towers, would it work in one of those (I'd just stick apple stickers all over it)?

I see dead people.
funkymonkey Jun 27, 2000 12:27 PM
after looking at a few diagrams that i found at it appears that a 7500/7600 motherboard is the same thing as an 8500..
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