User guide

5-21
ASUS RS100-E8-PI2
Legacy USB Support [Enabled]
Allows you to enable or disable support for legacy USB devices. Setting to [Auto] allows the
system to detect the presence of USB devices at startup. If detected, the USB controller
legacy mode is enabled. If no USB device is detected, the legacy USB support is disabled.
Conguration options: [Disabled] [Enabled] [Auto]
USB3.0 Support [Enabled]
Enables or disables the USB3.0 (XHCI) controller support. Conguration options: [Disabled]
[Enabled]
XHCI Hand-off [Enabled]
This setting provides support for operating systems without XHCI hand-off support.
Conguration options: [Disabled] [Enabled]
EHCI Hand-off [Enabled]
This setting provides support for operating systems without EHCI hand-off support.
Conguration options: [Disabled] [Enabled]
USB Mass Storage Driver Support [Enabled]
This allows you to enable or disable USB Mass Storage driver support. Conguration options:
[Disabled] [Enabled]
Port 60/64 Emulation [Enabled]
This allows you to enable I/O port 60h/64h emulation support. This should be enabled for
complete USB keyboard legacy support for non-USB aware operating systems. Conguration
options: [Disabled] [Enabled]
USB transfer time-out [20 sec]
Allows you to select USB transfer time-out value. Conguration options: [1 sec] [5 sec] [10
sec] [20 sec]
Device reset time-out [20 sec]
Allows you to select USB device reset time-out value. Conguration options: [10 sec] [20 sec]
[30 sec] [40 sec]
Device power-up delay [Auto]
This allows you to set the maximum time the device will take before it properly reports itself to
the Host Controller. Conguration options: [Auto] [Manual]