yet another possible Apple 1 replica project

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Offline
Joined: Jun 5 2008
Posts: 381

Hi Folks,

Thinking of doing a Apple 1 replica - done along the lines of my Apple II rev 0 replica and the obtronix Apple 1. There are some hard to find components involved in this project, but more importantly I would need good images of front and back of an original Apple 1 PCB. Best case would be that of a bare PCB, second best would be without chips in sockets and of course last choice would be a fully populated board. Best images are done by scanner or photocopier rather than by camera. Does anybody know of or can produce such images?

Regards,
Mike Willegal

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Offline
Joined: Dec 20 2003
Posts: 249
Just so you know, it has alre

Just so you know, it has already been done. Here's one on ebay:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=130227527390&ssPageName=STRK:MEWA:IT&ih=003

There are high res pics of apple 1's on this site IIRC but I have never seen an unpopulated apple 1 (actually I'd really like to see that).

The 25xx IC's are difficult but not impossible to locate (I'm sure you know this because the rev 0 apple II uses the 2513. I think there was one or two other components that were "difficult" to source but I can't remember which ones offhand.

Vince

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Offline
Joined: Jun 5 2008
Posts: 381
Hi Vince, Oh, I know it ha

Hi Vince,

Oh, I know it has been done and if these units were still regularly available, I wouldn't bother even thinking about this. At this point, I haven't built up a BOM and searched for parts. The images I have found of the board, though some are pretty high resolution, aren't real suitable for my purposes. Without a good image of both front and back, any effort in hunting down parts, isn't a good use of my time. Assuming someone comes up with good images, I'll look deeper into the parts problem.

Regards,
Mike Willegal

SchwindS's picture
Offline
Joined: Feb 24 2007
Posts: 44
Or made it hand wired like this!

You can also make it hand wired like this:

&gt
http://www.cpmuseum.com/Exhibit.aspx?address=7603

here is the original board

&gt
http://www.cpmuseum.com/Exhibit.aspx?address=7604
you can find some usefull datasheets at this site and some nice pics of the apple 1 board. I like this website. It is one of my favorites.

SchwindS

Offline
Joined: Jun 5 2008
Posts: 381
Nice site. Looks like two v

Nice site. Looks like two versions - a wire wrapped prototype and a obtronix replica. The wirewrap idea is cool, but if I'm going to do this, I'd want to reproduce an actual Apple production board. I'm still on the lookout for a high resolution scan of both sides of an original Apple PCB. Till I find it, I've got a number of other projects on the front burner, to work on.

Thanks and regards,
Mike Willegal