Avalue EMX-CDT Manual do Utilizador descarregar pdf (Página 31)

EMX-CDT User’s Manual

EMX-CDT User’s Manual 31

Item

Options

Description

Legacy USB Support

Enabled[Default]

Disabled

Auto

Enables Legacy USB support.

AUTO disables legacy support if no USB devices are

connected. DISABLE will keep USB devices

available only for EFI applications.

ECHI Hand-Off

Enabled

Disabled[Default]

This is a workaround for OSes without EHCI hand-off

support. The EHCI ownership change should be

claimed by EHCI driver.

USB transfer time-out

1sec / 5sec

10sec / 20sec[Default]

The time-out value for Control, Bulk, and Interrupt

transfers.

Device reset time-out

10sec / 20sec[Default]

30sec / 40sec

USB mass storage device Start Unit command

time-out.

Device power-up delay

Auto[Default]

Manual

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, for a Hub

port the delay is taken from Hub descriptor.

3.6.2.6 Power Management

Item

Options

Description

Power On By PS/2 Keyboard

Disabled[Default]

AnyKey

Passwod

Power On By PS/2 Keyboard

Power on By PS/2 Mouse

Disabled[Default]

Enabled

Power on By PS/2 Mouse

Wake By PME

Disabled

Enabled[Default]

Wake By PME

AC Power Loss

Power Off[Default]

Power On

Last State

AC Power Loss

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