User manual

IA31 Motherboard User Manual
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Allows you to configure the USB 2.0 controller in [HiSpeed (480 Mbps)] or [Full
Speed (12 Mbps)]. The options: [FullSpeed], [HiSpeed].
BIOS EHCI Hand-Off
Allows you enable support for operating systems without an EHCI hand-off feature.
The options: [Disabled], [Enabled].