In this screen, you can choose whether to enable UMA or disable (if using ext card).

The onboard VGA can be output via DVI or HDMI together with D-SUB

Surround View can be enabled. This option must be enabled for Hybrid CrossFire to function

Ram timing adjustmets

HT Link is up to 1.0GHz for AM2. For AM2+ this option goes up to 2.6GHz.

GFX Engine Clk is default at 500MHz, it can be upped to 11100MHz. To run at higher GFX CLK, it is better to raise the NB voltage.