Biostar TA970 Plus Версия 5.x [11/33] Ta970 plus uefi bios manual

TA970 Plus UEFI BIOS Manual

USB Configuration

Legacy USB Support

This item determines if the BIOS should provide legacy support for USB

devices like the keyboard, mouse, and USB drive. This is a useful feature

when using such USB devices with operating systems that do not natively

support USB (e.g. Microsoft DOS or Windows NT).

Options: Enabled (Default) / Disabled / Auto

Legacy USB3.0 Support

This item enables/disables legacy USB3.0 support.

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

Mass Storage Devices

Mass storage device emulation type. ‘Auto’ enumerates devices according

to their media format. Optical drives are emulated as ‘CDROM’, drivers

with no media will be emulated according to a driver type.

Options: Auto (Default) / Floppy / Forced FDD / Hard Disk / CR-ROM