各种报错，求助。

damnedbus

Shader model 3.0 code path is available.
Using Shader model 3.0 code path because it is the best available path on this hardware.
Attempting 640 x 480 fullscreen with 32 bpp at 60 hz
Game window successfully created.
Using 2x quality 0 anti-aliasing
Creating Direct3D device...
Com_TouchMemory: 0 msec. Using sum: 0
Loading fastfile code_post_gfx
Loading fastfile patch
Loading fastfile ui
Loading fastfile common
Initializing render targets...
Requested frame buffer to be 24-bit color with 8-bit alpha
DirectX returned a frame buffer that is 24-bit color with 8-bit alpha


Error during initialization:
Couldn't create a 1024 x 2048 render target surface: Wrong texture format

我进游戏的时候报这种错，缓存不够吗？更新驱动中……
7600GT 128M vista sp2