Radeon HD 4800 CrossFire User Manual page 66

ATI Radeon™ HD 4800 Series User Manual
Change the memory clock speed
1. From the menu pane, click ATI Overdrive.
2. Move the Memory Clock slider to the desired setting.
Note: The upper limit is the highest speed that can be safely set for
your specific graphics card. The lower limit is the hardware default
speed.
Any changes made to the clock speed is only valid during the existing
session. If you log out or reboot the computer the clock speeds are
returned to the factory default settings. To save your new setting enable
one of the Options available at the bottom right of the ATI Overdrive
window.
Enable ATI Overdrive for 3D application
ATI Overdrive can be enabled automatically whenever a 3D application is
opened.
1. From the menu pane, click ATI Overdrive.
2. Click Enable ATI Overdrive for 3D applications only.
Enable clock settings at logon
The settings made to ATI Overdrive can be enabled automatically when
you log onto your computer.
1. From the menu pane, click ATI Overdrive.
2. Click Enable new clock settings at logon.
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