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A57A2 UEFI BIOS Manual
USB Configuration
Legacy USB Support
The item allows you to enable Legacy USB support. AUTO option disables
legacy support if no USB devices are connected. DISABLE option will keep
USB devices available only for EFI applications.
Options: Enabled (Default) / Disabled / Auto
EHCI Hand-Off
This is a workaround for OSes without EHCI hand-off support. The EHCI
ownership change should be claimed by EHCI driver.
Options: Disabled (Default) / Enabled
SMART FAN Control
10
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