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BIOS Setup
MI997AF User’s Manual
67
4
4.4.11 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 MI997AF
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Page 16: ...6 MI997AF User s Manual 1 6 Block Diagram...
Page 17: ...General Information MI997AF User s Manual 7 1 1 7 Product View Top View...
Page 18: ...8 MI997AF User s Manual Bottom View...
Page 20: ...10 MI997AF User s Manual 1 8 Board Dimensions...
Page 24: ...14 MI997AF User s Manual 2 3 Jumper Connector Locations...
Page 25: ...Hardware Configuration MI997AF User s Manual 15 2...
Page 34: ...24 MI997AF User s Manual 2 5 2 DisplayPort HDMI Port CN2 2 5 3 USB 3 2 Connector CN3...
Page 49: ...Hardware Configuration MI997AF User s Manual 39 2 2 5 27 PCIe x1 Slot PCIE1...
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Page 69: ...BIOS Setup MI997AF User s Manual 59 4 4 4 4 PCH FW Configuration...
Page 76: ...66 MI997AF User s Manual 4 4 10 AMI Graphic Output Protocol Policy...
Page 79: ...BIOS Setup MI997AF User s Manual 69 4 4 4 13 NVMe Configuration...
Page 87: ...BIOS Setup MI997AF User s Manual 77 4 4 9 MEBx...
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