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ET980 Series User’s Manual
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
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.
Summary of Contents for ET980 Series
Page 11: ...General Information ET980 Series User s Manual 5 1 1 5 Block Diagram...
Page 12: ...6 ET980 Series User s Manual 1 6 Board View Top View...
Page 14: ...8 ET980 Series User s Manual 1 7 Dimensions Unit mm...
Page 22: ...16 ET980 Series User s Manual This page is intentionally left blank...
Page 40: ...34 ET980 Series User s Manual This page is intentionally left blank...
Page 46: ...40 ET980 Series User s Manual 4 4 2 Power Performance...
Page 51: ...BIOS Setup ET980 Series User s Manual 45 4 4 4 6 F81966 Super IO Configuration...
Page 52: ...46 ET980 Series User s Manual 4 4 7 F81804SEC Super IO Configuration...
Page 55: ...BIOS Setup ET980 Series User s Manual 49 4 4 4 11 Network Stack Configuration...
Page 56: ...50 ET980 Series User s Manual 4 4 12 NVMe Configuration...
Page 58: ...52 ET980 Series User s Manual...
Page 59: ...BIOS Setup ET980 Series User s Manual 53 4 PCH IO Configuration...