[cctalk] Re: looking for HP 1640B GPIB info

On 7 Nov 2024, at 22:30, Wayne S <wayne.sudol(a)hotmail.com> wrote: There are some available on ebay. Just search “hp 2640b” Sent from my Dec Alphastation 200. > On Nov 7, 2024, at 11:41, Sytse van Slooten via cctalk <cctalk(a)classiccmp.org> wrote: > > Hi all, > > I have a HP 1640B that I'm trying to get to work. However I can't find any information about it, and while the machine itself it straightforward enough (and I remember enough from when I was using it in my first dayjob) I can not find anything about how to use the GPIB interface that it has. > > The reason I'm interested is, we've finally managed to add GPIB support to the PDP2011-MINC fpga implementation, and I'd like to test against a different target than the relatively modern Philips/Fluke counter I'm now using. And the 1640B is the only other GPIB instrument I have... > > The HP doesn't seem to know the ID? command (that causes an error message on the screen). It does respond to a newline (the standard is-this-listener-present test that the MINC code implements), so at least something is working. > > Does anyone here have any docs on the HP 1640B? It'd be very helpful at least to know which GPIB commands are implemented. > > thanks in advance! > > Sytse