[CentOS] 800x600 on the console?

Thu Jul 12 12:56:53 UTC 2007
WipeOut <wipe_out at users.sourceforge.net>

Hi,

I am trying to get 800x600 resolution on my server console.. I usually 
just as "vga=771" as a boot option on the grub.conf file but when I do 
all I get is a blank screen..

Anyone got any ideas?