[rescue] Sun Blade 1500 firmware password

Patrick Finnegan pat at computer-refuge.org
Thu May 20 09:16:25 CDT 2010

On Thursday 20 May 2010, Mike Loewen wrote:
> On Thu, 20 May 2010, Patrick Finnegan wrote:
> >> Pull the NVRAM out while the machine is on? That's crazy. You're
> >>  supposed to pull it out with the power off. You plug it *in* with
> >>  the power on.
> >
> > Uh, this doesn't work on an Ultrasparc machine that I've tried it
> > on. Have you tried it on anything newer than Sun4m?
> > ...
> > Trying the "hot plug" chip method on Ultrasparcs has only got me
> > busted NVRAM chips in the end.
>     I've successfully "hot plugged" the NVRAM on an Ultra 10.

I've nuked the NVRAM by trying this in an Ultra 5 (also, without the 
NVRAM a U5 won't POST from what I remember).  YMMV.

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