escalade213

i have 2GB of RAM but on the system info it says 1790 MB and this is what it says about my graphics

Graphics---------------------------------------------------------------------

Display adapter type ATI Radeon Xpress 1100
Total available graphics memory 895 MB
Dedicated graphics memory 256 MB
Dedicated system Memory 0 MB
Shared system memory 639 MB
Display adapter driver version 8.332.0.0
Primary monitor resolution 1280x800
DirectX version DirectX 9.0 or Better

so can i push the card more or is at max?
And if i can push it more how?