Removing OBP/EEPROM passwords (was RE: [rescue] ID this card???)

[G W Adkins]

> Try this,  Pull the PROM, plug it back in only hard enough to make all the
> pins contact (in other words, hold it against the socket semi-firmly with
> one finger, but without seating it...) power up the box, wait for it to
> post, when you get to a prompt, pull the chip. enter command mode (type
"n")
> to go to command mode with no PROM in the box, hot-plug the prom and seat
it
> firmly.
>
> immediately: setenv security-mode none, (set defaults doesn't usually
change
> the security mode, otherwise you would be able to defeat it with a
stop-D).
> then reset

I know this works, I have done it on 2 or 3 sparc 10's, 2 SS20's, at least a
dozen sparc 5's and on a whole pallet (~75 I think...) Sparc 2's.  Also an
LX, and a number of IPX'en.

Never had one fail yet.

George