BIOS SETUP
36
IB908F User’s Manual
USB Configuration
Aptio Setup Utility
Main
Advanced
Chipset
Boot
Security
Save & Exit
USB Configuration
→
←
Select Screen
↑↓
Select Item
Enter: Select
+- Change Field
F1: General Help
F2: Previous Values
F3: Optimized Default
F4: Save
ESC: Exit
USB Module Version
8.10.27
USB Devices:
1 Keyboard, 1 Mouse
Legacy USB Support
Enabled
USB3.0 Support
Enabled
XHCI Hand-off
Enabled
EHCI Hand-off
Enabled
USB hardware delays and time-outs:
USB Transfer time-out 20 sec
Device reset tine-out
20 sec
Device power-up delay
Auto
Legacy USB Support
Enables Legacy USB support.
AUTO option disables legacy support if no USB devices are connected.
DISABLE option keeps USB devices available only for EFI applications.
USB3.0 Support
Enable/Disable USB3.0 (XHCI) Controller support.
XHCI Hand-off
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
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 100ms, for
a Hub port the delay is taken from Hub descriptor.
Summary of Contents for IB908F
Page 2: ...IB908F Intel Haswell ULT 3 5 Disk Size SBC USER S MANUAL Version 1 1 ...
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Page 9: ...INTRODUCTION 4 IB908F User s Manual Board Dimensions ...
Page 17: ...INSTALLATIONS 12 IB908F User s Manual Connector Locations on IB908F ...
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