[time-nuts] Maintaining boatanchors (was Capacitor Failures)

Chuck Harris cfharris at erols.com
Fri Oct 22 23:02:33 UTC 2010


I don't believe the parts are failing due to structural
problems, but rather are just leaking down their buried charge.

It should be quite possible to refresh them by erasing them and
reprogramming.

-Chuck Harris

Bob Camp wrote:
> Hi
>
> Find pin compatible replacement EPROM's while you still can. They don't make all those small / slow / multiple supply
> / parts any more.  Saves building all sorts of strange adapter boards as well as re-shooting the memories.
>
> Bob
>
>
> On Oct 22, 2010, at 6:44 PM, Poul-Henning Kamp wrote:
>
>> In message<1498648302.205602.1287785250803.JavaMail.root at sz0110a.emeryville.ca .mail.comcast.net>,
>> k6rtm at comcast.net writes:
>>
>>> What to do? Pop out the parts and rewrite them? Dump them to disk as well?
>>
>> Make backup-copies while they have no problems.
>>
>> -- Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20 phk at 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.
>>
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>
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