Asus M4A89GTD PRO - Internal Graphics Mode; GFX Engine Clock Override

ASUS M4A89GTD PRO 3-21
Chapter 3
3.5.22 Internal Graphics Mode [UMA+SIDEPORT]
Allows you to select the Internal Graphics Mode.
Conguration options: [Disabled] [UMA] [SIDEPORT] [UMA+SIDEPORT]
UMA Frame Buffer Size [Auto]
This item appears only when you set the Internal Graphics Mode item to [UMA] or
[UMA+SIDEPORT]. Conguration options: [Auto] [32MB] [64MB] [128MB] [256MB] [512MB]
SIDEPORT Clock Speed [DDR3-1333MHz]
This item appears only when you set the Internal Graphics Mode item to [SIDEPORT]
or [UMA+SIDEPORT]. Be cautious when setting the SIDEPORT clock speed. Improper
overclock setting may cause the system unstable or hardware damage.
3.5.23 GFX Engine Clock Override [Disabled]
Allows you to enable or disable the GFX Engine Clock Override function.
Conguration options: [Disabled] [Enabled]
GFX Engine Clock [500]
This item appears only when you set the GFX Engine Clock Override item to [Enabled] and
allows you to set the GFX Engine Clock. Use the <+> and <-> keys to adjust the value, or key
in the desired value using the numeric keypad and press the <Enter> key.