-------- In message <000401d378cd$31568960$94039c20$@perdrix.co.uk>, "David C. Partridge" writes: >I'm looking at the A5 board in my 3458A. > >The DS1220Y and the two DS1230Y NVRAMs have 1997 dates, so should likely be >replaced. I *think* the Ramtron FM1608-120-P is a direct "drop-in" >replacement in this application for the DS1230Y. Is that right? If so I'll >get some in from eBay.
Make sure to read out a backup copy of the NVRAM via GPIP before you start desoldering the CALRAM, there seems to be about 25% chance that it looses contents during desoldering. See the function "nvram" here for details: https://github.com/bsdphk/pylt/blob/master/hp3458a.py -- 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. _______________________________________________ volt-nuts mailing list -- volt-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.