[rescue] NVRAM (was Multia Question)
Curtis H. Wilbar Jr.
rescue at hawkmountain.net
Tue Feb 18 18:54:40 CST 2003
At the ok> prompt
2000000 obio 0 map-page
80 7f8 c!
80 7f9 c!
0 758 c!
The first line maps NVRAM to page 0
the second line sets the write bit
the third line sets the stop bit
the fourth line resets the write bit
This is taken from the NVRAM FAQ on squirrel.com
<A HREF="http://www.squirrel.com/sun-nvram-hostid.faq.html">
http://www.squirrel.com/sun-nvram-hostid.faq.html
</A>
-- Curt
>X-Sender: wrmartin at incoming.verizon.net
>Date: Tue, 18 Feb 2003 18:51:25 -0500
>To: The Rescue List <rescue at sunhelp.org>
>From: Bill Martin <wrmartin at verizon.net>
>Subject: Re: [rescue] NVRAM (was Multia Question)
>X-Authentication-Info: Submitted using SMTP AUTH at pop016.verizon.net from
[207.68.59.167] at Tue, 18 Feb 2003 17:48:44 -0600
>
>>If you use a few commands at the open boot prompt you can stop the clock
>>and dramatically increase the shelf life of pulled chips, and installed
>>chips for systems that spend lots of time powered off....
>
>
>So what's the secret? How does one stop the clock?
>
>Bill Martin
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