Oh expect near-flawless performance if you use petes d3d plugin. I have that exact gfx card for my crappy amilo L7300 laptop and i use that plugin. But you'll have to sacrifice some visual quality.
Here's the config i use on it:
Plugin: Pete's D3D Driver 1.1.75
Author: Pete Bernert
GFX card: VIA/S3G UniChromell Graphics
Resolution/Color:
- 640x480 Fullscreen - [16 Bit]
Textures:
- R4G4B4A4
- Filtering: 0
- Hi-Res textures: 0
- VRam size: 0 MBytes
Framerate:
- FPS limit: on
- Frame skipping: off
- FPS limit: Auto
Compatibility:
- Offscreen drawing: 2
- Framebuffer texture: 0
- Framebuffer access: 0
- Alpha multipass: on
- Mask bit: off
- Advanced blending: none
Misc:
- Scanlines: off [0]
- Unfiltered FB: on
- Dithering: off
- Screen smoothing: off
- Full vram: off
- Game fixes: off [00000000]