I too am using a Voodoo 3 AGP card but I don't get the white out, the game just freezes up, sometimes instantly, sometimes after a couple turns, such a disappointment.
UPDATE: Did what the manual says and ditched my Logitech Trackman, now I can play, but alas the dreaded whiteout!
[This message has been edited by Sybaris Angst (edited 10-20-2000).]