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Avalue EMX-PNV User Manual

Page 52

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EMX-PNV

52 EMX-PNV User’s Manual

3.6.2.8 USB

configuration

Item

Options

Description

Legacy USB Support

Enabled,

Disabled,

Auto

Use this option to enable USB mouse and

USB keyboard support. Normally if this option

is not enabled, attached USB mouse or USB

keyboard is not available until a USB

compatible operating system is fully booted

with all USB drivers loaded. When this option

is enabled, any attached USB mouse or USB

keyboard can control the system even when

there is no USB driver loaded onto the

system.

USB 2.0 Controller Mode

HiSpeed (480Mbps),

FullSpeed (12Mpbs)

This item allows you to select HiSpeed

(480Mbps) or FullSpeed (12Mpbs).

BIOS EHCI Hand-Off

Enabled,

Disabled

This is a workaround for OSs without EHCI

hand-off support. The EHCI ownership

change should be claimed by EHCI driver.

Hotplug USB FDD Support

Auto

The USB FDD is a slim type floppy disk drive

(FDD) with a Universal Serial Bus (USB)

interface.