User manual

2U Rack Series User Manual

 USB Configuration

SETTING

DESCRIPTION

Legacy USB Support

Enables support for legacy USB. Auto option disables

legacy support if no USB devices are connected.

USB3.0 support

This item allows user to enable or disable USB3.0

function.

XHCI Hand-off

This is a workaround for OS without XHCI hand-off

support. The XHCI ownership change should claim by

XHCI driver.

EHCI Hand-off

This is a workaround for OS without EHCI hand-off

support. The EHCI ownership change should claim by

EHCI driver.

USB transfer time-out

Time-out value for control, bulk, and interrupt transfers.

Device reset time-out

USB mass storage device starts unit command time-out.

Device power-up delay

Maximum time the device will take before it properly

report itself to the host controller.