User manual

AIMB-214 User Manual 34
3.2.2.7 USB configuration
 Legacy USB support
Enables support for legacy USB. Auto option disables legacy support if no USB
devices are connected.
 EHCI Hand-off
This is a workaround for OS without EHCI hand-off support. The EHCI owner-
ship 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 con-
troller.