In message <[EMAIL PROTECTED]>, John Ackermann N8UR writes: >In theory, the bus is supposed >to handshake to avoid that problem, but that's not always reliable on >the older instruments -- they will report that they're ready for another >command when in fact they aren't. In fact, while doing this experiment >the 5370B would show "Err 1" (invalid command) on its display if I tried >to talk to the 3456A too soon after talking to the 5370.
Are you 100% sure this is a problem on the 5370B ? I've spent a lot of time with my logic analyzer while implementing GPIB in FreeBSD (partly because I couldn't find a datasheet for the uPD7210 anywhere) and I have never seen my 5370B misbehave in any way. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | 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 https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts