Ok, the problem I have is this.....
I have a 1.3ghz Athlon with a Geforce 4 Mx420 (64mb) graphics card. I can not run the texture slider anything above 2 as I get stuttering and it's unplayable. However, I could run them but the textures were corrupt UNTIL I chose 'dxd_sysmem' for the terrain textures. If I leave that button at the default 'dxd_default', it seems to PAINT corrupt ground textures over runways etc
Anyone else had this or know how to cure it ?