HP board id?

Marc Verdiell marc.verdiell at gmail.com
Wed May 13 21:40:11 CDT 2015

Boy, if you don't know, then who is... But this brings up another good
point, where to get the older CTuL logic IC bus drivers (the 9956 in
particular) besides from old boards? I'll probably need a few to make my own
I/O boards, else I'll have  make my own level converters out of SMD

>From: "Jay West" <jwest at classiccmp.org>
>Subject: HP board id?
>It seems over the years I acquired more than a just a few of these (two
>types of) boards for the HP1000. I'm pretty certain they all came from a
>batch of about twenty HP 1000 series systems I got that were decommissioned
>from military use. They do not seem to be HP in origin, and I don't have
>clue what they are for. Mostly they seem to be stuffed with large numbers
>op amps and some line drivers. Perhaps just flight line testing or ATP?
> If no one thinks these are of any use. they will be scavenged for bus 
> driver chips. But I'd hate to do that if they might be historical or
> "interesting".
>A few pictures of each board are at www.ezwind.net/hp-unk
>Educated guesses?

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