[rescue] Ultra 5/10 with OpenPROM Password

[Dave McGuire]

On Apr 23, 2004, at 7:16 PM, Patrick Finnegan wrote:
>> I have an opportunity to get rather cheaply either an Ultra 5 or
>> Ultra 10 with a set, unknown PROM password.
>>
>> Anybody here know an easy way to break one of these?  The only
>> options I am aware of involve ordering a new one from Sun, or
>> hot-swapping a module from a system with a good PROM.  The second
>> option would be difficult, because I don't have any other U5/10's.
>
> Hint 1: DONT hotswap it.  Swapping with power off is OK, but I've nuked
> ever single one I've tried doing the pull/login/put back in trick that
> works for sparc 5's.

   I've done about thirty of them (ss1/1+/2/5/10/20), and haven't fried 
a single one.  The trick is to make & break the connection cleanly 
(i.e., no jiggling it around) and insert it as close to evenly as you 
can.

         -Dave

--
Dave McGuire          "PC users only know two 'solutions'...
Cape Coral, FL          reboot and upgrade."    -Jonathan Patschke