Lost all access to my server



I have a X2200 server in our data center. Usually I have enabled remote
access on all my other servers. But this one was being newly set up so I
just had to rely on TCP/IP ssh to remote login. Ok so today, after making a
couple of changes, I found that the server boots up but ssh service does not
turn on. It was something to do with SMF of Solaris 10 OS. But hell, I did
not want to go to the cold data center to debug it so I decided to set up
serial console acces. I hooked up the serial cable on the DB9 interface and
connected it to the serial console server and was able get to the SP. But
the console messages were not appearing on the serial port. So just like the
other X4200s that I have I set about changing the grub/menu.lst file and
without realising that X2200s use ttyb for serial unlike X4200 which uses
ttya I foolishly typed:

eeprom console=ttya

To my utter horror I now find that I have no ssh, no serial console and no
system consolee. Totally locked out. I only have access to the SP. Is there
a way I can change/correct it through ELOM commands? Like how we do on PROM
command of good old sparc?

Thanks in advance for any insight

Sonam
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