I figured they might be from something like an Indy 800...he has some of the
"half" boards as well from your picture.
Never seen an actual G80 extender board; thanks for sharing!
----- Original Message -----
From: "Andrew Welburn" <andy@andysarcade.net>
To: <vectorlist@vectorlist.org>
Sent: Wednesday, January 18, 2012 3:56 AM
Subject: Re: VECTOR: Stuck output(s) on G80 X/Y Cards / CPU no LED.
> On 18/01/2012 03:13, Mark Jenison wrote:
>> When I was over at Rick Schieve's one day, I found a few of these in his
>> barn that he had been cutting up to make Jamma harness finger boards:
>>
>> https://plus.google.com/photos/113324346917953965256/albums/5698800677317070049
>>
>>
>> 86 pin extender cards that fit in G80 cages. They are labeled "OCTO CARD
>> EXTENDER". I hope to get some use out of them as I've got a stack of
>> about 40 CPU boards to repair.
>
> The octo card extenders you mention are actually from Atari 'Indy' pcbs,
> sets like indy 800, indy 4 etc... shame to cut them up! but remember there
> are some joined pads on the finger edge that aren't on the g80 set. they
> are one card from a set of three needed to service Indy pcbs :
> http://www.andysarcade.net/pix/AA01709.JPG (2 sets shown)
>
> I actually found a real g80 extender card in Tulsa, OK (with the indy
> extenders above) at an operators place a few years back...
> http://www.andysarcade.net/pix/AA01707.JPG
>
> Notice the switch mounted in the upper right. The pcb has a ground plane
> running through the pcb, and you see they've etched ground traces
> alongside each of the pad->pad traces, presumably to counter noise?
>
> --
> Andrew Welburn
> http://www.andys-arcade.com
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Received on Wed Jan 18 20:14:41 2012
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