[HECnet] Recommendation on replacement Dallas DS1287A

[Mark Wickens]

Yes - I'll second that DS12887A works fine in a DEC3000 - I find eBay also
comes up local and Chinese sources, depends on whether you want to wait or
not!

I've tried hacking old one's as well, but for example for £6 I can get
replacements from the UK - it's a no brainer for me, although of course
they don't last forever.

Regards, Mark.

On 29 November 2015 at 20:52, Brian Schenkenberger, VAXman- <
system at tmesis.com> wrote:

> Michael Holmes <mholmes10 at hotmail.com> writes:
>
> >Gurus,
> >
> >
> >I'm looking for your advice.
> >
> >
> >My DEC 3000 gave me a POST NVR error and after trying all the steps to
> fix =
> >it (reseating boards, memory, etc...) it looks like the RTC (DALLAS
> DS12871=
> >A) has died.
> >
> >
> >Searching on line I found some places marketing a replacement for DS1287
> fo=
> >r old PC's but not sure if any would work for DEC given it had an A at
> the =
> >end in the model number (different pins etc...)
> >
> >
> >Given that this sounds like a common problem on early VAXen, I was
> wonderin=
> >g if of you have some recommendations on a good source to purchase a
> replac=
> >ement RTC that will work with DEC equipment.
> >
> >
> >Thanks much!
>
> You can replace it with the newer DS12887 available from various
> electronics
> parts resellers.  Several listed below:
>
>
> http://www.mouser.com/ProductDetail/Maxim-Integrated/DS12887A+/?qs=0Y9aZN%252bMVCW5MO2pWUs%252bYA==
> http://www.digikey.com/product-detail/en/DS12887A%2B/DS12887A%2B-ND/956873
> http://store.batteryspecialists.com/ds12887a.html
> http://www.interstatebatteries.com/1/1/5018-ds12887a-lit2695.html
>
> --
> VAXman- A Bored Certified VMS Kernel Mode Hacker
> VAXman(at)TMESIS(dot)ORG
>
> I speak to machines with the voice of humanity.
>
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