Is my video card compatible with this game?

I am trying to find out if i can run fallout3 i have a nivida 6100 nforce 405 and this is not on the list of compatible cards for the game but it says approox. memory on the card is 512 and the game only needs 256 so will this still work??? this is the site i got the info off of: http://fallout.wikia.com/wiki/Fallout_3_FAQ