User`s guide

Copyright © 2008 congatec AG B915m10 79/92
USB Conguration Submenu9.4.9
Feature Options Description
USB Functions Disabled
2 USB Ports
4 USB Ports
6 USB Ports
8 USB Ports
Disable ICH6M USB host controllers.
Enable UHCI host controller 0.
Enable UHCI host controller 0 + 1.
Enable UHCI host controller 0 + 1 + 2.
Enable UHCI host controller 0 + 1 + 2 + 3.
USB 2.0 Controller Enabled
Disabled
Enable the ICH6M USB 2.0 (EHCI) host controller.
Legacy USB Support Disabled
Enabled
Auto
Legacy USB Support refers to the USB keyboard, USB mouse and USB mass storage device support.
If this option is Disabled, any attached USB device will not become available until a USB compatible operating system is booted.
However, legacy support for USB keyboard will be present during POST.
When this option is Enabled, those USB devices can control the system even when there is no USB driver loaded.
AUTO disables legacy support if no USB devices are connected.
USB Legacy POST-Always Enabled
Disabled
If set to Enabled, USB legacy support is always available at least during BIOS POST regardless of the main legacy USB support
setting. This ensures that the BIOS setup can always be entered and modied using a USB keyboard. Setting this node and the
main node Legacy USB Support both to Disabled , completely disables BIOS legacy USB support. This decreases BIOS boot time,
but also disables BIOS setup access using a USB keyboard.
USB Keyboard Legacy
Support
Disabled
Enabled
Enable/Disable USB keyboard legacy support.
NOTE: This option has to be used with caution. If the system is equipped with USB keyboard only then the user cannot enter setup
to enable the option back
USB Mouse Legacy
Support
Disabled
Enabled
Enable/Disable USB mouse legacy support.
USB Storage Device
Support
Disabled
Enabled
Enable/Disable USB mass storage device support.
Port 64/60 Emulation Disabled
Enabled
Enable/Disable the “Port 6h/64h” trapping option. Port 60h/64h trapping allows the BIOS to provide full PS/2 based legacy support
for USB keyboard and mouse. It provides the PS/2 functionality such as keyboard lock, password setting, scan code selection etc.
to USB keyboards.
USB 2.0 Controller Mode FullSpeed
HiSpeed
Congures the USB 2.0 host controller in HiSpeed (480Mbps) or FullSpeed (12Mbps).
BIOS EHCI Hand-Off Disabled
Enabled
Enable workaround for OSes without EHCI hand-off support.
USB Beep Message Disabled
Enabled
Enable/Disable the beep during USB device enumeration.
USB Stick Default
Emulation
Auto
Hard Disk
Select default USB stick emulation type. Auto selects oppy or hard disk emulation based on the storage size of the USB stick, but
the emulation type can be manually recongured for each device using the Mass Storage Device Conguration sub menu.
USB Mass Storage Reset
Delay
10 Sec
20 Sec
30 Sec
40 Sec
Number of seconds the legacy USB support BIOS routine waits for the USB mass storage device after the start unit command.
►USB Mass Storage
Device Conguration
sub menu Opens sub menu.