[rescue] Sun Blade 1500 firmware password

Brian Ross brian_665 at internode.on.net
Thu May 20 09:51:23 CDT 2010

Patrick Finnegan wrote:
> On Thursday 20 May 2010, Mr Ian Primus wrote:
>> --- On Thu, 5/20/10, Brian Ross <brian_665 at internode.on.net> wrote:
>>> Does anybody have any idea on how to reset the firmware
>>> password?
>>> Preferrably something simple and doesn't require pulling
>>> the nvram chips
>>> while the beast is running or other seemingly silly ideas
>>> I've found on
>>> the web.
>> 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?
> A better way to do it for machines with a socketed NVRAM chip is to pull 
> the chip, and boot a different model of machine with the chip in - it'll 
> recognize that something is wrong and erase the chip for you.
> Trying the "hot plug" chip method on Ultrasparcs has only got me busted 
> NVRAM chips in the end.
> Pat

I also have a Sun Blade 100, would it be possible to put the chip from
the Blade 1500 in that one and erase the chip?

Also where do I find the information that others have suggested I record
before wiping it and how do I re-enter it?



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