need help for my Nvidia 8500 on 10.6

[foosi]

i'm new in hackintosh. i installed 10.6 osx with chameleon 2.0 rc1 on my GA-945GZM-S2 board + inno 3d 8500. i installed the Nvidia installer by punk92 & system profiler detect it as below. i cant change the resolution to 1024x768 & there is abit lag when i tried to minimize the windows.

 

Graphics by NVIDIA:

 

Chipset Model: Graphics by NVIDIA

Type: GPU

Bus: PCIe

PCIe Lane Width: x4

VRAM (Total): 256 MB

Vendor: NVIDIA (0x10de)

Device ID: 0x0421

Revision ID: 0x00a1

ROM Revision: NVinject 0.2.1

Displays:

Display Connector:

Status: No Display Connected

VGA Display:

Resolution: 800 x 600 @ 60 Hz

Pixel Depth: 32-Bit Color (ARGB8888)

Main Display: Yes

Mirror: Off

Online: Yes

 

I hope someone can let me know the simple way to solve it. thanks in advance.