FS Parts: Williams prototype/development circuit boards

frobozz

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I have a bunch of prototype (no solder mask) and/or development (modified for game development and debugging) circuit boards from the earlier Williams video game era.

I have:

-- 2 Stargate/Robotron/Joust type CPU boards

http://backglass.org/williams/proto_boards_01.jpg

-- 1 Stargate ROM board with production ROMs, 4 Robotron/Joust type ROM boards, and one interface board from one of those games

http://backglass.org/williams/proto_boards_02.jpg

Note that one of them has a really early revision artwork part number:

http://backglass.org/williams/proto_boards_03.jpg

-- 2 of some sort of interface board I can't quite identify. The DB25 connector on the back looks like something that was only loaded for development purposes.

http://backglass.org/williams/proto_boards_04.jpg
http://backglass.org/williams/proto_boards_05.jpg

-- 3 Sinistar type ROM boards set up for debugging/development. One still has the debug EPROM loaded, plus 9 "pigs" - these were the 2 static RAMs soldered on top each other, plus a logic chip, to allow RAM to be plugged directly into the ROM slots. I'm not sure I've ever seen any of these outside the walls of Williams before... anyone? A couple of them have prototype serial number stickers.

http://backglass.org/williams/proto_boards_06.jpg
http://backglass.org/williams/proto_boards_07.jpg
http://backglass.org/williams/proto_boards_08.jpg

-- A power supply and sound/speech board setup on its original mounting plate. Prototype serial numbers, but I can't for the life of me figure out what game it's for ("PB" ?) Was apparently leaning against a wall in a basement that took on a little water, as you can see there's some corrosion along one edge, worse in one corner.

http://backglass.org/williams/proto_boards_09.jpg
http://backglass.org/williams/proto_boards_10.jpg


Needless to say, these are all untested, some of them are even marked "BAD" and while mostly complete I am not guaranteeing that every last part is on them. These would be of interest to someone for historical or display value, and it would simply be a bonus if they could be made to run. Don't buy them if you're just looking to get your Stargate warehouse find running :)

I'd like to get $500 for the lot. I'm near Chicago, but I'll pack them up and ship them anywhere in the world that you'll pay all the shipping costs for! If you need more specific details on anything just ask.

Thanks,
Duncan
 
Have you checked to see if the Sinistar roms are the missing version from right before it shipped that are far easier and balanced than what shipped?
 
Have you checked to see if the Sinistar roms are the missing version from right before it shipped that are far easier and balanced than what shipped?

There aren't any Sinistar ROM sets here, I believe. The Sinistar ROM board with the "pigs" would have lost its contents the moment power was removed... 30 years ago!

(But hey, I resurrected 30-wave Blaster for everyone a few years ago, so I do what I can :) )

Duncan
 
I knew I would remember eventually!

That 30 wave Blaster is AWESOME!

Thanks for the effort and for making them available!

Jeff

That was an interesting project, glad I was able to do it.

Oh, and as long as I'm tooting my own horn, let's not forget Tempest Tubes! :)

Duncan
 
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