[rescue] Fixing dead Sun NVRAM - was Re: Sources of IRIX

Toby Thain toby at telegraphics.com.au
Sun Feb 12 12:19:00 CST 2017

On 2017-02-12 12:34 PM, Carl R. Friend wrote:
> ...
>    I "re-powered" a Sun clock-chip for a guy who wanted his old
> SPARC machine restored last year and "did it the hard way" by taking
> the top off the chip where the battery was, extracting the old battery,
> and wiring in a battery-holder to put a CR2032 in to keep contents
> sane when the machine was powered off.  The old one *in* the chip
> looked very much dimensionally like a CR1220.  Expect to make a mess
> if you do things this way.
>    I have a couple of Sun machines myself that need this treatment.
> I am not looking forward to it...  There's an entire Sun-based FAQ
> on the tactic right down to all the gory details.  Find a copy, print
> it out, and put the copy someplace where it can be found when you need
> to perform the operation.

I have an E450 that needs the same job.

Here's one howto: https://gigawa.lt/gigawa.lt/Sun_NVRAM.html


>    Cheers!

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