Do you mean DOS or an NT command prompt? AFAIK, most BIOS updates are done in either DOS or GUI Windows. A command prompt only NT is a bit tricky, and not very useful anyway. A DOS booting USB stick ...
Ok, I read about it somewhere in these forums before but can't find it with search. Anyone know how to do this? My WinXP CD is not bootable and I usually do a quick, stripped down install of 98, then ...