Unidentified chip

tony duell ard at p850ug1.demon.co.uk
Wed Aug 5 13:03:48 CDT 2015

> > As a total aside, on some HP boards there is a 16 pin DIL package with the
> > part number 1260-0339.
> > Any ideas what that chip is?

> Is it on any boards related to the HP1000 or 21MX computers? If so... what
> board?

I doubt it, but it might me. I first came across it on the test board for the 
HP59405 (HPIB for the HP9830).

I know what it is, I wondered if others had come across it.


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