How to change GPU usage

Ok as the title says Im running the latest boinc and drivers for a 9400GT i know i can tell boinc to use so much of the processing power ie 90% of multiprocessors and i gain 10% to run what i want.

dont play heavy duty games games like half life 2 etc

any ideas?

[QUOTE=bigsheff1;446179]Ok as the title says Im running the latest boinc and drivers for a 9400GT i know i can tell boinc to use so much of the processing power ie 90% of multiprocessors and i gain 10% to run what i want.

dont play heavy duty games games like half life 2 etc

any ideas?[/QUOTE]
For the GPU there is only a radio button under Advanced preferences for ’ use GPU while computer is in use ’