Yeah I saw that, but I'm a bit reluctant to blindly pay USD 50 for something that might not even have any detail on what I'm looking for. After all, I don't need a full manual, and certainly not a collector-worthy copy. I just need this specific information.
> On 7 Nov 2024, at 22:30, Wayne S <wayne.su...@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@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