Hi If somebody wants to come up with modern 1740 software, I have a couple of them to try it out on.
Bob On Mar 8, 2011, at 7:52 AM, Robert Atkinson wrote: > While I agree in general, with this (and often custom I/F cards get lost when > the PC goes back to IT for data protection), the E1740A info is on the > Agilent website. The manual > http://cp.literature.agilent.com/litweb/pdf/E1740-90005.pdf has the > instruction set and code examples. You need a VXI mainframe and either a VXI > processor (68000, Intel or whatever) or a VXI to external controller bridge > card. Bridge cards come in various flavours including HP-IB and Firewire. > Ther are also custom ones that need that elusive PC card. VXI is a standard. > If we (Timenuts) could find a source of e1740As in quantity a roll your own > USB I/F and software might be possible. Mainframes vary from "How MUCH!!!!" > from dealers who sell ATE to a few pounds (dollars) at hamfests and ebay. > > Robert G8RPI. > > > --- On Mon, 7/3/11, Pete Lancashire <p...@petelancashire.com> wrote: > > > From: Pete Lancashire <p...@petelancashire.com> > Subject: Re: [time-nuts] Where does the VXI E1740A fit in ? > To: "Discussion of precise time and frequency measurement" > <time-nuts@febo.com> > Date: Monday, 7 March, 2011, 16:20 > > > I pretty much agree. Toss in so many companies trashed the originals > and you are left with luck that someone took a copy home with them. > > I'll toss in another one, you get a surplus dealer and he immediately > breaks up a 'system' up to in his mind make more money and many times > that corrugated box with papers floppies etc gets tossed out or a couple > times I've witnessed when I use to go to industrial auctions tossed in > the dumpster as his is loading his hoard. I made it a point to be around > after everyone has loaded up. Got many a manual, attenuator, scope probe, > etc that way. > > The same goes for what HP/Agilent calls CLIPS, or what should be called > real service manual. > > After say 1990 all this stuff was on a disk drive somewhere, and should > have been copied to at least a ftp site. Even drawings and manuals could > be eventually recreated. > > It actually surprises me the of all companies HP/Agilent does not have all > documentation say after 1990 available. > > -pete > > On Mon, Mar 7, 2011 at 6:11 AM, paul swed <paulsw...@gmail.com> wrote: >> Indeed as I am slowly learning there is a gap in equipment vintage thats a >> black hole. >> Late 80s to 2005 approx. This is the point that the various test instruments >> went more to a hybrid mix of hardware and software with external software >> loads. When you pick up an instrument there are rarely any software disks. >> Though on 2 occasions I have been lucky. A pair logic analyzers Tek and HP >> obtained less then a week apart, go figure. >> Then about 2001 to now and in the future very good/reasonable home brew gear >> showed up with essentially open software and using the power of the PC and >> modern chips sets. >> Its unfortunate that the gap exists because I have seen some great gear at >> the MIT flea market and obvious as heck 0 chance to make it operational. >> Regards >> >> On Mon, Mar 7, 2011 at 8:11 AM, Poul-Henning Kamp <p...@phk.freebsd.dk>wrote: >> >>> In message <298e3f36-5846-4814-ba22-3e9c520e3...@rtty.us>, Bob Camp >>> writes: >>>> Hi >>>> >>>> They are very cool devices - when you get them working. Without >>> the custom Windows software, they make a nice piece of wall art. A >>> lot of them are mated up with non-HP VXI PC's so getting them running >>> can take you off in multiple directions. Timing wise, they will do >>> all of the standard stuff (AVAR, MTIE, TDEV etc) at 5370(?) type >>> resolution. >>> >>> Is there any register-level programming information for them ? >>> >>> If so, putting an open source UNIX on the VXI PC should be possible... >>> >>> -- >>> Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 >>> p...@freebsd.org | TCP/IP since RFC 956 >>> FreeBSD committer | BSD since 4.3-tahoe >>> Never attribute to malice what can adequately be explained by incompetence. >>> >>> _______________________________________________ >>> time-nuts mailing list -- time-nuts@febo.com >>> To unsubscribe, go to >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >>> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.