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USB Configuration
This section configures the parameters of USB devices.
Legacy USB Support
Enabled
Enable legacy USB support.
Disabled
Keep USB devices available only for EFI applications.
Auto
Disable support for legacy when no USB devices are connected.
XHCI Hand-off
Enable this option for operating systems that do not support Extensible Host Con-
troller Interface (xHCI) Hand-off. The XHCI ownership change will be claimed by the
XHCI driver.
EHCI Hand-off
This item is for Operating Systems that do not support Enhanced Host Controller In-
terface (EHCI) Hand-off. When it is enabled, EHCI ownership change will be claimed
by the EHCl driver.
USB Mass Storage Driver Support
Enable or disable the support for the USB Mass Storage Driver.
Chapter 7 BIOS Setup
Chapter 7
Important:
Only native USB devices (USB port 0 and 2) can operate under the DOS environment
for Windows 7 installation. Please refer to the following tables for more information on
USB port types.
Table 2. The Type of USB Ports
Model Name
USB 0 (USB 3.0)
USB 2 (USB 2.0)
Native (share with USB 3.0 port)
USB 5 (USB 2.0)
USB 6 (USB 2.0)
USB 7 (USB 2.0)
37
KS070-BT
Native
HSIC port 1
HSIC port 2
HSIC port 3
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