Rick Murphy wrote:
>
> I think you've got an AD01-A (the fourth character is a "1", not the
> letter "L".)
> Google searching for AD01-A yields a lot of good info. For example,
> <http://www.psych.usyd.edu.au/pdp-11/ad01.html>
In that case, this manual may be some use, though it appears to be
describing a different (later?) model: