Re: password issue on sparcstation 10
How to replace the built in battery with 2 AAA or so:
http://www.belgers.com/computers/nvram/
To be honest you don't HAVE to have have th battery working, but, in
that case you do have to reprogram it on every power on.
cheers
bruce
On Sun, Aug 13, 2006 at 02:41:29PM +0000, Mark Morgan Lloyd wrote:
> Karl Goetz wrote:
>
> > Thats interesting - so the chip contains a battery itself?
>
> My understanding is that it's an ablutions-standard chip with a non-rechargeable
> battery mounted as a 'top hat'. The practical result of this is that the global
> population of SPARCstations and SPARCservers will stop working at some point in
> the not-too-distant future, and unless Mostek (or whoever) is still making these
> devices it will be necessary to graft on something like an AAA or coin cell
> instead.
>
> I've used these devices in embedded systems, and working from memory they come
> in 2K and 8K variants with the top few bytes being used for clock and control
> registers. There's a bit that controls whether the clock is running or the whole
> device is switched to ultimate-low-power mode, but I've never seen anything
> (except my own code, of course :-) that exploits this to extend device life.
>
> --
> Mark Morgan Lloyd
> markMLl .AT. telemetry.co .DOT. uk
>
> [Opinions above are the author's, not those of his employers or colleagues]
>
>
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