http://bugs.winehq.org/show_bug.cgi?id=6369
------- Additional Comments From the3dfxdude@gmail.com 2006-03-10 19:08 ------- Yes this is true. We cannot currently detect video ram size currently. We do have a limited way of detecting the card type, but it will not be exact. We could possibly improve your card detection. Send a log with WINEDEBUG=+d3d_caps set. Although your ATI card is listed in the detection code, so the program may be doing something a bit more unusual. Perhaps the card is too new for the game to recognize. bleh...
Anyway, go here to fix your ram size reported: http://wiki.winehq.org/UsefulRegistryKeys