David Hanes Inscribed thus:

I was going through an old box of stuff that I bought many years ago,
and ran across a couple little HP boards (approx 3 ¼" x 1 1/8"). These
appear to be NOS, and have HP part number 00970-66501 (Rev 1) screened
on the back of it, but I can't find any information about that part
number.

Anyone have any idea on what this board might be? I do have pictures
of the front and back, if anyone wants to take a look at those.

Thanks!
Dave

Lets have a look at the pictures.

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Best Regards:
Baron.