Biostar B350ET2 User Manual page 21

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
Legacy USB3.0 Support
The item enables or disables legacy USB3.0 support.
Options: Enabled (Default) / Disabled
XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change should
be claimed by XHCI driver.
Options: Enabled (Default) / Disabled
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
USB FLASH DRIVE PMAP
This item Mass storage device emulation type. 'AUTO' enumerates devices according to their
media format. Optical drives are emulated as 'CDROM' , drives with no media will be emulated
according to a drive type.
Options: Auto (Default) / Floppy / Forced FDD / Hard Disk / CD-ROM
B350ET2
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