[SunRescue] Dead Sparc NVRAMS

Gregory Leblanc rescue at sunhelp.org
Sun Jun 3 23:03:58 CDT 2001

On 02 Jun 2001 12:38:20 -0700, Bran Tregare wrote:
> I'm actually going to be pulling the whole battery/crystal assembly and 
> soldering on a new 32.768Khz crystal and a battery holder.

Why let that perfectly good crystal go to waste?  I was doing this to
save myself a few bucks, and because I knew these chips were the right
breed, just short on battery life.

> At 10:19 PM 6/1/01 -0700, you wrote:
> >On 01 Jun 2001 14:20:12 -0700, Bran Tregare wrote:
> > > anyone have any of the dead nvrams floating around?  I'm looking at trying
> > > my hand at a little project (removing the battery/oscillator package, and
> > > adding a new oscillator and a button battery holder to it (CR2032 type)
> > > )  but :(  my wife found my stash in the carage that i'd already dremeled,
> > > and threw them away thinking that they were junk :(
> >
> >I've done this with three of them so far, it's pretty easy.  On the end
> >of the chip towards the battery, just carve away the glue/filler
> >substance, until you expose the leads.  I disconnected the leads from
> >the battery, and soldered some new pieces of wire on there, and then
> >soldered them to a (larger) battery.  Once connected, I just hot-glue'd
> >the battery to the top of the chip.  That blocks an SBUS slot, but I'm
> >just doing this on SS2s, and I run them all with 0 or 1 card anyway.
> >Make sure you don't leave the old battery hooked in-line, because it
> >will drain your new battery quickly.  Cutting one of the leads to the
> >old battery is pretty easy, if you're careful.  All three of the ones
> >that I've build so far seem to work just fine.

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