[volt-nuts] HP3458A calibration memory backup

J. L. Trantham jltran at att.net
Thu Aug 7 10:14:50 EDT 2014


I would love to know where the CALNUM value is stored.

Any idea?



-----Original Message-----
From: volt-nuts-bounces at febo.com [mailto:volt-nuts-bounces at febo.com] On
Behalf Of Poul-Henning Kamp
Sent: Thursday, August 07, 2014 12:36 AM
To: Discussion of precise voltage measurement; Mark Sims
Subject: Re: [volt-nuts] HP3458A calibration memory backup

In message <BLU170-W4732A073BE87463FF74529CEE10 at phx.gbl>, Mark Sims writes:
>I have three HP3458A's and decided it was time to back up the battery 
>backed static RAM chips.  [...]

>I dumped the third
>machine from a cold start and one byte was different between each dump.

If you mail those files to me, I can try to see if that bit matters.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
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