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DrFishstik
Tux's lil' helper
Tux's lil' helper


Joined: 05 Dec 2002
Posts: 85
Location: University Park, PA

PostPosted: Thu Jun 17, 2004 4:03 pm    Post subject: Clear NVRAM password? Reply with quote

I inherited another Sun Ultra 5 for parts and on start-up when i go to boot from CDROM, i get "firmware password" and of course i dont know it :(
I tried the quick n dirty trick of removing the nvram while the system is on to blank it several (like 20!) times and it still isnt blanked? Is there any other way to clear this thing off?
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NeddySeagoon
Administrator
Administrator


Joined: 05 Jul 2003
Posts: 54097
Location: 56N 3W

PostPosted: Thu Jun 17, 2004 6:52 pm    Post subject: Reply with quote

DrFishstik,

If the NVRAM is a FLASH memory chip, removing it won't help. If it is a CMOS memory, kept alive by a seperate battery, you may need to keep it powered down overnight.

Some older combined CMOS and RTCs had the battery included in the package, so you can't beat them either. Do not be tempted to open one of these. The batteries contain Lithium, which will catch fire if it comes into contact with the moisture on your skin.
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NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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Weeve
Retired Dev
Retired Dev


Joined: 30 Oct 2002
Posts: 641

PostPosted: Fri Jun 18, 2004 2:54 am    Post subject: Reply with quote

If you go to http://sunsolve.sun.com and look up the manuals for the Ultra 5, you can enable the NVRAM chip to be written to by setting a jumper. Then you might be able to blank the password by holding down the Stop and N keys while the Ultra 5 powers up.
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