“Paris” Prototype Apple Macintosh II Motherboard

I recently acquired this motherboard, primarily because it had NuBus connectors so I can explain to people outside of Apple fanatics circle don’t know what it is these days.  To my surprise, I discovered it is much more special and rare than your average Apple product.

A photo of the top:

Apple Paris Motherboard – Top

And a photo of the bottom:

Apple Paris Motheboard – Bottom

This has a few unique features:

  • It’s reddish-brown, which I’ve never seen in a released Apple product.
  • It doesn’t have much to denote it is an Apple product, other than a few parts on the board with the Apple name.   The board itself doesn’t say “Apple” anywhere.  Looking up the part number online yields nothing.
  • It looks similar to other Macintosh II boards, except in some areas parts have significantly moved around.
  • The copyright (1986) is a year before the release of the Macintosh II.
  • There are a couple debug wires on it.
  • There’s an Apple Computer add-in card in what would normally be a single IC socket.
PARIS MAIN LOGIC
Apple prototype board

Not being a true Apple fanatic, it took some digging to figure out that this is in fact a “Paris” prototype motherboard for the Macintosh II computer.  In fact, I have yet to find another “Paris” photo online anywhere!

Unfortunately it is missing most of the socketed parts, which were probably taken to build a “released” Macintosh when the final board was available.  Also the ROM chips are missing, but if my theory is correct the ROM was close enough to release that it wasn’t anything that unique.

What will I do with it now?  First I plan on taking some higher-res photos with a camera better than what’s in my phone.  Then I might take the time to try to build it up with parts I can find online.  Another option would be to sell it to a true Apple collector, but for now it makes an interesting conversation piece.

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