I have found on several occasions that you can read an "failing" EPROM in a prommer, that will not operate in its application. Sometimes it is possible to read. erase and reburn the same Eprom and get a working system again, but it is always worth keeping an image.
Alan G3NYK ----- Original Message ----- From: "Poul-Henning Kamp" <p...@phk.freebsd.dk> To: "Discussion of precise time and frequency measurement" <time-nuts@febo.com> Sent: Friday, April 15, 2011 1:49 PM Subject: Re: [time-nuts] Selecting a used HP sweep/frequency generator > In message <BANLkTimq6dnmrOUYYc=xjyhb7ajas3g...@mail.gmail.com>, paul swed writ > es: > > >Please read the eproms. Mine are dead and they will absolutely die. The > >mosteks are a known failure. If you can get me the images I will attempt to > >integrate them into a modern 27128 or something and do that install. I have > >had to do that on a couple of other types of HP gear. > >I also put copies of eproms on Diddiers site for everyone. > > It is sometimes possible to read otherwise "lost" eproms by manipulating > their temperature downwards. > > -- > 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.