Gigabyte 6VM7-4I User Manual page 61

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USB Controller
All USB Port
USB Port 0&1
USB Port 2&3
Disabled
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USB Legacy Support
Keyboard
Keyb+Mouse
Disabled
Set USB Controller Function used all USB Port. (Default Value)
Set USB Controller Function used USB Port 0&1.
Set USB Controller Function used USB Port 2&3.
USB Controller Function Disabled.
Set USB Legacy Support Keyboard.
Set USB Legacy Support Keyboard +Mouse.
Disabled USB Legacy Support Function. (Default Value)
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BIOS Setup