Usb > chipset usb configuration, Network – ADLINK cExpress-BT2 User Manual
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Page 50
cExpress-BT2
Feature
Options
Description
applications and setup.
XHCI Hand-off
Enabled 
Disabled 
This is a workaround for OSes without XHCI hand-off support. The 
XHCI ownership change should be claimed by the XHCI OS driver. 
EHCI Hand-off
Enabled 
Disabled 
This is a workaround for OSes without EHCI hand-off support. The 
EHCI ownership change should be claimed by the EHCI OS driver. 
USB Mass Storage Driver Support
Enabled 
Disabled 
Enable/Disable USB mass storage driver support.
Chipset USB Configuration
Submenu
USB hardware delays and time-outs:
Info only
USB transfer time-out
1 sec 
5 sec 
10 sec 
20 sec 
The time-out value for control, bulk, and interrupt transfers
Device reset time-out
10 sec 
20 sec 
30 sec 
40 sec 
USB mass storage device Start Unit command time-out.
Device power-up delay
Auto 
Manual 
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. 
Mass Storage Devices
Info only
List current USB mass storage devices.
7.3.5.1. USB > Chipset USB Configuration
Feature
Options
Description
USB Configuration
Info only
XHCI Mode
Enabled 
Disabled 
Auto 
Smart Auto 
Mode of operation of xHCI controller.
USB 2.0 (EHCI) Support
Enabled 
Disabled 
Control the USB EHCI (USB 2.0) functions. One EHCI controller 
must always be enabled. 
USB Per Port Control
Enabled 
Disabled 
Control each of the USB ports (0~3). Enable: Enable USB per 
port; Disable: Use USB port x settings. 
USB Port #0~3
Enabled 
Disabled 
Enable/Disable USB port 0-3.
7.3.6. Network
Feature
Options
Description
Network Info
only
Network Stack
Enabled 
Disabled 
Enable/Disable UEFI network stack.
LAN Controller
Enabled 
Disabled 
Enable/Disable LAN controller.
Wake on LAN
Disable 
Enabled 
If Enabled: LAN_PWR is always on; If Disabled: LAN_PWR is off 
after entering Suspend mode.