[SunRescue] Dead Sparc NVRAMS

Bran Tregare rescue at sunhelp.org
Sat Jun 2 14:38:20 CDT 2001

I'm actually going to be pulling the whole battery/crystal assembly and 
soldering on a new 32.768Khz crystal and a battery holder.

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.
>         Greg
>rescue maillist  -  rescue at sunhelp.org

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