HP 9915A (industrial version of HP 85A)

From: vassilip_at_dsl.cis.upenn.edu <(vassilip_at_dsl.cis.upenn.edu)>
Date: Sun Oct 13 19:45:43 2002

Joe <rigdonj_at_cfl.rr.com> wrote:
> I don't know what the difference is between an A and a B model. [...]
There are two models corresponding to the 85 and the 85B.

I am supposed to have an 9915B (that's what it says on the box), but the
main PCB says 9915-66512 Rev A. Go figure. If I could power it up I'd
know whether its an A or a B by the amount of RAM, but I am still debugging
the PSU.

> >As for the control connector, I have no idea what that might be used for.
>
> I don't recall if it's input and output or only input but the 9915 can
> detect switch closures and take pre-programmed action.
Received on Sun Oct 13 2002 - 19:45:43 BST