Question about Performa 6400 case

4 replies [Last post]
iindigo's picture
Joined: Mar 13 2008
Posts: 2

What types of motherboards will fit it? I'm guessing ATX but I don't really know.


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eeun's picture
Joined: Dec 19 2003
Posts: 1891
You're up for a real challeng

You're up for a real challenge if you want to put a different mobo inside a 6400 case.

The mobo was slid into the case and held by an edge connector, which will add an extra layer of fun to installing a different board (ie you may find nothing to mount the board to)

You'll find a lot of info Here

And it's a narrow case...not much wider than the CD drive. You might get away with a micro or mini format motherboard. Anything bigger and you'll be bumping against the non-ATX PSU or the drive bays.

In short, the case is a complete bugger to work on, and you'll get a gold star and many geek points for a successful recase. Wink


"Give a man a fire, he's warm for a day. Set a man on fire and he's warm for the rest of his life."
(Terry Pratchett)

iindigo's picture
Joined: Mar 13 2008
Posts: 2
Aww, well that's a bummer...

Aww, well that's a bummer... the reason I was hoping to use the case is because I liked the design and it seems quite rugged, but it looks like it won't be simple...

Thanks for the answer anyway.

DrBunsen's picture
Joined: Dec 20 2003
Posts: 946
Pretty much the only board th

Pretty much the only board that would fit in there without some major surgery would be a MiniITX format. Even then you'll be up for some surgery to get access to the drives.

The 6400 logic has a front edge connector that slots into a ribbon header at the front of the motherboard cavity. This makes the connections between the board and everything else in the machine. If you can get the pinout, you might be able to make up an edge connector* that adapts to plugs for the ITX board. Whether there is enough room for this as well as the motherboard is another question. I'd suggest you look up (and/or measure) the dimensions of both before continuing.

Take the rear plastic port cover off and slide out the motherboard. You'll see what I mean

*(further hints available if you pursue this)


Damn the Torx screws, full speed ahead!
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unknown1's picture
Joined: Dec 20 2003
Posts: 143
Performa 6400-6500 Case was a Monster!

I have a 6500/225 I plan on pulling the LB and putting it into a Color Classic with a G3 upgrade (a future project).

The darn case weighs 44.5 lbs!

I think if I liked the look of the case (it actually is kinda cool) I would investigate removing the outer plastics and installing them around an appropriately sized PC case then you would be less limited in motherboard while still maintaining that late '90s Apple cache´ :^)

If it is possible, it would probably save you a few bucks too.


Also at, and
Russell - Unknown1 - Idaho USA
"I think I need some alone time with your credit card and ebay"