ASUS Z9PH-D16 Manuale Utente

4-26

Chapter 4: BIOS setup

4.4.8

USB Configuration

Legacy USB Support [Enabled]

Enables or disables Legacy USB device support. Auto option disables legacy

support if no USB devices are connected. DISABLE option will keep USB device

available only for EFI applications.

Configuration options: [Enabled] [Disabled] [Auto]

EHCI Hand-off [Disabled]

This is a workaround for 0ses without EHCI ownership change should be clained

by EHCI driver. Configuration options: [Disabled] [Enabled]

USB Hardware Delays and Time-outs
USB transfer time-out [20 sec]

The time-out value for control, bulk, and interrupt transfer.

Configuration options: [1 sec] [5 sec] [10 sec] [20 sec]

Device reset time-out [20 sec]

USB mass storage device start unit command time-out.

Configuration options: [10 sec] [20 sec] [30 sec] [40 sec]

Enabled Legacy USB support.

Auto option disables legacy

support if no USB devices

are connected. DISABLE

option will keep USB devices

available only for EFI

applications.

USB Configuration

USB Devices:

1Keyboard, 1 Mouse, 3 Hubs

Legacy USB Support

[Enabled]

EHCI Hand-off

[Disabled]

USB Hardware Delays and Time-outs

USB transfer time-out

[20 sec]

Device reset time-out

[20 sec]

Mass Storage Devices

USB Ports Configuration

→←:

Select Screen

↑↓:

Select Item

Enter: Select Item

+/-: Change Opt.

F1: General Help

F2: Previous Values

F5: Optimized Defaults

F10: Save & Exit

ESC: Exit

Advanced