Andy,
These are original Mark-8 boards with custom daughter
boards and custom (redefined) expansion bus. This was
a common modification made to Mark-8 boards as people
got frustrated with the original bus design. I don't
know why the crystal is missing, as the crystal wasn't
optional (the original Mark-8 in the Radio Electronics
magazine didn't have one, but those boards never made
it to production).
I have extra Mark-8 boards if you need them (originals
and copies from the artwork, I sold them on ebay a
while back) as well as all the spare parts necessary
to built one (to the original spec anyway), drop me an
email if you need some parts. I also can help with
technical questions as I have built 5 working Mark-8's
in the past 2 years, most likely though I probably
won't be much help with this heavily modified version.
steve
--- Andy Berg <groovelists(a)yahoo.com> wrote:
Hi! :)
Whelp... I actually lack total confidence as to what
it is. :\ The CPU board, at least looks like a
Mark-8
one. Alas, I don't have anything that looks like the
LED output board, but there also doesn't seem to be
a
slot for one. :(
I've popped some pictures up at:
http://66.30.18.171/MARK8/ - please forgive if it is
a
bit slow - 'tis on a cable modem. (I put it up under
MARK8, but I truly don't know. :( )
If something doesn't work, please don't hesitate to
toss a note this way!
--- Loboyko Steve <sloboyko(a)yahoo.com> wrote:
And they say that there are no bargains on
eBay...bargains can be had by the patient and / or
lucky!
Are you SURE what you have isn't a SCELBI? (the 8
portsYour description sounds scelbi-like. Please
let
us know when pictures are up.
--- Jim Kearney <jim(a)jkearney.com> wrote:
> Rats! I had noted that auction, and was
planning
on
> bidding, but ended up
> being away from the computer for the last few
days
> of it.
>
> Anyway, if you need any help getting it running,
> drop me a line. I ended up
> with a pretty good knowledge of the design after
> debugging mine (recent
> construction, but original design).
>
> Jim
Thanks kindly for the offer. I truly, truly do
appreciate your kindness and intellectual generosity
-
it means a lot to me.
Thanks,
Andy
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