getting good frame rates

[Fergal69]

What's the best settings to achieve good frame rates. I've tried with everything low, medium, high, combination & still not getting good frame rates. my system is as below.

Mainboard : ECS GF8100VM-M5
Chipset : nVidia nForce 720a
Processor : AMD Phenom X4 9500 @ 2200MHz
Physical Memory : 3072MBDDR2-SDRAM
Video Card : NVIDIA GeForce 9500 GT
Hard Disk : Hitachi HDT725025VLA380 (250GB)
CD-Rom Drive : SONY CD-RW CRX160E
DVD-Rom Drive : Optiarc DVD RW AD-7241S
Monitor Type : 17 inches
Network Card : Nvidia MCP77 Ethernet
Operating System : Microsoft Windows XP Home Edition 5.01.2600 Service Pack 3 (32-bit)
DirectX : Version 9.0c (May 2010)