[time-nuts] HP8568B firware eproms anyone ?

Magnus Danielson cfmd at bredband.net
Wed Oct 18 18:26:24 EDT 2006

From: "Rick Karlquist" <richard at karlquist.com>
Subject: Re: [time-nuts] HP8568B firware eproms anyone ?
Date: Wed, 18 Oct 2006 15:21:27 -0700 (PDT)
Message-ID: <6798. at webmail.sonic.net>

> I work for Agilent.  In my lab I have both an 8568B and an
> 8566B.  How would I read out the contents of the eproms?
> I don't know much about eproms.
> I looked up that part number; it is an AMD27C256-200DC.
> There are a bunch of reliability reports on it, so that
> sort of confirms that yours may likely have failed.

Any EPROM programmer should be able to read it out. I usually store it in
HEX (aka Intel HEX format) and BIN (aka Binary) formats. While you are at it,
I would backup all the EPROMs. Maybe we could have Agilent put them up on
their web for support services.


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