Gigabyte AMD GV-R939XG1 GAMING-8GD User Manual page 28

Displays Manager:
Displays Manager to change your display setup and arrange your desktop in a multi-monitor environment.
Display Options:
The Display Options aspect gives you additional control to optimize performance of OpenGL and Direct 3D
applications. Choose one of the Display Detection Option
AMD Series Graphics Accelerator
Note:
The stretch vertically and horizontally options are not
supported on systems running Windows Vista.
Note:
On systems Windows XP, this page will show up the
3D Refresh Rate Override item. Use 3D Refresh
Rate Override to set a refresh rate of your choice
when a full-screen application or game has a default
refresh rate that is lower than optimal.
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