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BIOS Setup
MI811F Series
User’s Manual
69
4
4.4.10 USB Configuration
BIOS Setting
Description
Legacy USB Support
•
Enabled
enables Legacy USB support.
•
Auto
disables legacy support if there is no
USB device connected.
•
Disabled
keeps USB devices available only
for EFI applications.
XHCI Hand-off
This is a workaround for OSes without XHCI
hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
USB Mass Storage
Driver Support
Enables / Disables the support for USB mass
storage driver.
USB Transfer
time-out
The time-out value (1 / 5 10 / 20 secs) for Control,
Bulk, and Interrupt transfers.
Device reset time-out
Gives seconds (10 / 20 / 30 / 40 secs) to delay
execution of Start Unit command to USB mass
storage device.
Device power-up
delay
The 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. But for a Hub port, the delay is taken from
Hub descriptor.
Summary of Contents for MI811F-420
Page 15: ...General Information MI811F Series User s Manual 7 1 1 6 Block Diagram...
Page 23: ...Hardware Configuration MI811F Series User s Manual 15 2 SIO Board diagram of MI811F...
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Page 62: ...54 MI811F Series User s Manual This page is intentionally left blank...
Page 78: ...70 MI811F Series User s Manual 4 5 Chipset Settings 4 5 1 South Cluster Configuration...
Page 86: ...78 MI811F Series User s Manual This page is intentionally left blank...