Supermicro X11SSN-H/-E/-L User Manual page 65

Chapter 4: BIOS
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USB Devices
Legacy USB Support
Select Enabled to support onboard legacy USB devices. Select Auto to disable legacy support
if there are no legacy USB devices present. Select Disable to have all USB devices available
for EFI applications only. The options are Enabled, Disabled, and Auto.
XHCI Hand-off
This is a work-around solution for operating systems that do not support XHCI (Extensible
Host Controller Interface) hand-off. The XHCI ownership change should be claimed by the
XHCI driver. The settings are Enabled and Disabled.
USB Mass Storage Driver Support
Select Enabled for USB mass storage device support. The options are Disabled and Enabled.
Port 60/64 Emulation
Select Enabled for I/O port 60h/64h emulation support, which in turn, will provide complete
legacy USB keyboard support for the operating systems that do not support legacy USB
devices. The options are Disabled and Enabled.
USB hardware delays and time-outs:
USB transfer time-out
Use this feature to set the timeout value for Control, Bulk, and Interrupt transfers. The options
are 1 sec, 5 sec, 10 sec, and 20 sec.
Device reset time-out
Use this feature to set the timeout value for a USB mass storage device. The options are 10
sec, 20 sec, 30 sec, and 40 sec.
Device power-up delay
Use this feature to set the maximum time a device takes to report itself to the host controller.
The options are Auto and Manual.
Mass Storage Devices:
Sony Storage Media 0100
Enable this feature for mass storage device emulation support. Select Auto to enumerate
devices according to their media format. The options are Auto, Floppy, Forced FDD, Hard
Disk, and CD-ROM.
xDCI Support
Use this feature to enable or disable the Extensible Device Controller Interface. This feature
provides support for USB OTG devices. The options are Disabled and Enabled.
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