30 | 2. Advanced Menu
USB Configuration
Legacy USB Support
The item allows you to enable Legacy USB support. AUTO opon disables legacy support if no USB
devices are connected. DISABLE opon will keep USB devices available only for EFI applicaons.
Opons: Enabled (Default) / Disabled / Auto
Legacy USB3.0 Support
The item enables or disables legacy USB3.0 support.
Opons: Enabled (Default) / Disabled
XHCI Hand-o
This is a workaround for OSes without XHCI hand-o support. The XHCI ownership change should
be claimed by XHCI driver.
Opons: Enabled (Default) / Disabled
USB FLASH DRIVE PMAP
This item Mass storage device emulaon type. ‘AUTO‘ enumerates devices according to their
media format. Opcal drives are emulated as ‘CDROM’ , drives with no media will be emulated
according to a drive type.
Opons: Auto (Default) / Floppy / Forced FDD / Hard Disk / CD-ROM