TYAN S7025 User Manual page 50

Feature
USB Configuration
Legacy USB
Support
USB 2.0 Controller
Mode
BIOS EHCI Hand-
Off
Hotplug USB FDD
Support
3.7.5 – ACPI Configuration Sub- Menu
You can use this screen to view the ACPI Configuration Menu. Use the up
and down arrow (/) keys to select an item. Use the Plus and Minus (+/-)
keys to change the value of the selected option. The settings are described
on the following pages.
Advanced
ACPI Settings
General ACPI Configuration
Advanced ACPI Configuration
Chipset ACPI Configuration
Option Description
Disabled
Enables support for legacy USB.
Auto AUTO option disables legacy support if
no USB devices are connected.
Enabled
Configure the USB 2.0 controller in Hi
Hi Speed
Speed (480Mbps) or Full Speed
Full Speed
(12Mbps).
This is a work around for OSes without
Enabled
EHCI hand-off support. The EHCI
ownership change should claim by
Disabled
EHCI driver.
Enable or disable hotplug USB floppy
Enabled
support. A dummy FDD device is
created that will be associated with the
Disabled
hotplugged FDD later. AUTO option
creates this dummy device only if there
is no USB FDD present.
Auto
BIOS Setup Utility
50
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General ACPI
Configuration settings
← → Select Screen
↑↓ Select Item
+/- Change Option
F1 General Help
F10 Save and Exit
ESC Exit