Need terminal command for setting display colors ASAP!!!!!

Hello everyone,
I was being dumb and figured, oh what will this do?
I know, I know one of those button pushers...anyway I set the Display colors to 256 on my Xserve, which has no video card in it, and now all I see in Chicken of the VNC is a black screen. Im sure there is a terminal command out there where
I can ssh into the Xserve, and change the colors back, but I can't find it...could someone post it up here or point me in the right direction please?
Thanx in advance!!!!!!!

didn't even think of that...seems to be the most obvious things, seem to be the first to be overlooked.
Will let you know.

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