Having PROM Env remotely !

My workstation's graphic card had problem so unitl it's fixing if i want to have PROM env & run some commands like
OK probe-scsi or .....
what should i do ?

Rgrds
Nikk

If this is a Sun machine, hook up an ASCII terminal to serial port A using a null-modem serial cable. You can use hyperterminal on a PC if you have one available. The settings should be 9600 BAUD, 8 bpc, no parity, 1 stop bit.