Kontron KTA70M-mITX - Manual (Page 62)

KTD-N0861-B Page 55 BIOS - Advanced
KTA70M/mITX Users Guide
KTA70M/mITX Users Guide
9.2.6 Advanced - USB Configuration
Aptio Setup Utility – Copyright © 2012 American Megatrends, Inc.
Advanced
USB Configuration
USB Devices:
1 Keyboard, 1 Mouse
Legacy USB Support
USB3.0 Support
XHCI Hand-off
EHCI Hand-off
USB hardware delays and time-outs:
USB transfer time-out
Device reset time-out
Device power-up delay
[Enabled]
[Disabled]
[Enabled]
[Disabled]
[20 sec}
[20 sec]
[Auto]
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.
→← : Select Screen
↑↓ : Select Item
Enter: Select
+/- : Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Version 2.15.1227. Copyright © 2012 American Megatrends, Inc
Function Selection Description
Legacy USB Support
Enabled
Disabled
Auto
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.
USB3.0 Support
Enabled
Disabled
Enable/Disable USB3.0 (XHCI) Controller support.
XHCI Hand-off
Enabled
Disabled
This is a workaround for OSes without XHCI hand-off
support. The XHCI ownership change should be claimed
by XHCI 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 EHCI driver.
USB transfer time-out 1, 5, 10, 20 sec
The time-out value for Control, Bulk, and Interrupt
transfers.
Device reset time-out 10, 20 sec, 30, 40 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.