ADLINK Express-IBE2 - Manual (Page 56)

Page 56 Express-IBE2
PET Progress
User can Enable/Disable PET Events progress to receive PET event or not.
WatchDog
Enable/Disable WatchDog Timer.
6.3.10. USB Configuration
Legacy USB Support
Enables Legacy USB support. AUTO option, disables legacy support if no USB devices are connected. DISABLE option will keep USB
devices available only for EFI applications.
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
The time-out value for Control, Bulk, and Interrupt transfers.
Device reset time-out
USB mass storage device Start Unit command time-out.
Device power-up delay
Maximum time the device will take before it properly reports itself to the Host Controller. 'Auto' uses default value: for a Root port it is 100 ms,
for a Hub port the delay is taken from Hub descriptor.