Usb Configuration Submenu - Seco Qseven Q7-974 User Manual

4.3.3 USB configuration submenu

Menu Item Options
USB BIOS Support Disabled / Enabled / UEFI Only
Disabled
Enabled
xHCI Mode
Auto
Smart Auto
Best Auto
Win7 Uninstall xHCI driver
Disabled / Enabled
workaround
xHCI Controller Disabled / Enabled
USB2 Link Power Management Disabled / Enabled
xHCI Streams Disabled / Enabled
EHCI Controller Disabled / Enabled
USB EHCI debug Disabled / Enabled
USB Per-Port Control Disabled / Enabled
USB Port #0 / USB Port #1 /
Disabled / Enabled
USB Port #2 / USB Port #3
USB Ignore Settings See Submenu
Q7-974
Q7-974 User Manual - Rev. First Edition: 0.1 - Last Edition: 2.3 - Author: S.B. - Reviewed by G.G. Copyright © 2017 SECO S.r.l.
Description
Sets the support for USB keyboard / mouse / storage under UEFI and DOS environment. When set to
UEFI only, then it will support exclusively UEFI environment.
Mode of operation of xHCI controller
Disabled: USB 3.0 functionalities are always disabled, USB 3.0 devices will work in High Speed Mode
Enabled: USB 3.0 functionalities are available both in BIOS and in OS (also for booting, provided that the
xHCI driver is installed).
Auto: USB 3.0 devices will work only when OS has started, provided that hcSwitch and xHCI drivers are
installed. In BIOS and during boot USB 3.0 devices will work in High Speed mode
Smart Auto: when starting from a Mechanical Off (G3) state, USB 3.0 functionalities are available both in
BIOS and in OS (also for booting, provided that the hcSwitch and xHCI driver is installed). When the system
boots from a different ACPI state, USB 3.0 devices will be managed by xHCI or EHCI controller depending
on the last used configuration.
Best Auto: always route to xHCI
Enable / Disable Windows 7 Uninstall xHCI driver workaround. When enabled, Windows 7 USB (EHCI
mode) will still work after uninstalling xHCI driver, but the WHCK test will fail
Enable/Disable xHCI Controller for USB 3.0 functionalities support
Can be changed only when "xHCI Controller" Is Enabled
Enable/Disable the USB2 Link Power Management, i.e. the management of different Link Power (Lx) States
of connected USB devices depending on the workload of the device itself.
Can be changed only when "xHCI Controller" Is Enabled
Enable/Disable the xHCI Stream Support.
Controls the USB EHCI (USB 2.0) functionalities. One EHCI controller must always be enabled.
Can be changed only when "EHCI Controller" Is Enabled
Enable / Disable PCH EHCI debug capability
Allows to enable / disable singularly each of USB ports #0 ÷ #3
Available only when "USB Per-Port Control" is Enabled.
Allows to enable / disable individually each USB port
Allows excluding BIOS support for single USB Devices/Ports/Hosts.
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