User manual

PCE-5127/7127 User Manual 42
 USB Configure
Enable/Disable USB configure function.
 PET Progress
User can Enable/Disable PET Events progress to receive PET events or note.
 WatchDog
Enable/Disable Watchdog Timer
3.2.2.10 USB Configuration
Figure 3.14 USB Configuration
 Legacy USB Support
This is for supporting USB devices under legacy OS such a s DOS. When
choosing "AUTO", the syste m will automatically detect if any USB device is
plugged into the computer and enable USB legacy mode when a USB device is
plugged in, and disable USB legacy mode when no USB device is plugged in.
 USB3.0 support
Enable/Disable USB3.0 (XHCI) support
 XHCI Hand-off
This is a workaround for OS without XHCI hand-off support. The XHCI owner-
ship change should be claimed by XHCI driver.
 EHCI Hand-off
This is a workaround for OS without EHCI hand-off support. The EHCI owner-
ship change should be claimed by EHCI driver.
 USB transfer time-out
Allows you to select the USB transfer time-out value. [1,5,10,20sec]
 Device reset time-out
Allows you to select the USB device reset time-out value. [1,5,10,20sec]
 Device power-up delay
This item appears only when you set the Device power-up delay item to [man-
ual].