Usb configuration – Foxconn Quantumian1 User Manual

Page 39

USB Configuration

All USB Devices

[Enabled]

EHCI Controller 1

[Enabled]

EHCI Controller 2

[Enabled]

Legacy USB Configuration

Legacy USB Support

[Enabled]

Legacy USB Support

[Enabled]

Legacy USB 3.0 Support

[Enabled]

XHCI Hand-off

[Enabled]

EHCI Hand-off

[Enabled]

Legacy USB hardware delays and time-outs:

USB Transfer time-out

[20 sec]

Device reset time-out

[20 sec]

Device power-up delay

[Auto]

→ ←: Select Screen
↑ ↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values

F3: Optimized Defaults
F4: Save & Exit
ESC: Exit

Enabled/Disabled All USB
Devices

Advanced

► All USB Devices

This item is used to enable or disable all USB devices.

► EHCI Controller 1/2

This item is used to enable or disable USB 2.0(EHCI) support.

► Legacy USB Support

This item is used to enable the support for USB devices on legacy OS. If you have a USB

keyboard or mouse, set to enabled.

[Enabled]: This option will enable the legacy USB support.

[Disabled]: This option will keep USB devices available only for EFI applications.

[Auto]: This option will disable the legacy support if no USB devices are connected.

► Legacy USB 3.0 Support

This item is used to enable or disable legacy USB 3.0(XHCI) controller support.

► XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change

should be claimed by XHCI driver.
► EHCI Hand-off
This is a workaround for OSes without EHCI hand-off support. The EHCI ownership change

should be claimed by EHCI driver.
► USB Transfer time-out

This item is used to select a time-out value for Control,Bulk and Interrupt Transfers. Default

value is [20 sec].

► Device reset time-out

This item is used to select the USB mass storage device start unit command time-out. Default

value is [20 sec].

► Device power-up delay

This item is used to set the maximum time the device will take before it can report itself to the

host controller.