Usb Configuration Submenu - Congatec COM Express conga-B915 User Manual

9.4.9

USB Configuration Submenu

Feature
USB Functions
USB 2.0 Controller
Legacy USB Support
USB Legacy POST-Always Enabled
USB Keyboard Legacy
Support
USB Mouse Legacy
Support
USB Storage Device
Support
Port 64/60 Emulation
USB 2.0 Controller Mode
BIOS EHCI Hand-Off
USB Beep Message
USB Stick Default
Emulation
USB Mass Storage Reset
Delay
►USB Mass Storage
Device Configuration
Copyright © 2008 congatec AG
Options Description
Disabled Disable ICH6M USB host controllers.
2 USB Ports Enable UHCI host controller 0.
4 USB Ports Enable UHCI host controller 0 + 1.
6 USB Ports Enable UHCI host controller 0 + 1 + 2.
8 USB Ports
Enable UHCI host controller 0 + 1 + 2 + 3.
Enabled Enable the ICH6M USB 2.0 (EHCI) host controller.
Disabled
Disabled Legacy USB Support refers to the USB keyboard, USB mouse and USB mass storage device support.
Enabled If this option is Disabled, any attached USB device will not become available until a USB compatible operating system is booted.
Auto 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.
If set to Enabled, USB legacy support is always available at least during BIOS POST regardless of the main legacy USB support
Disabled setting. This ensures that the BIOS setup can always be entered and modified 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.
Disabled Enable/Disable USB keyboard legacy support.
Enabled 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
Disabled Enable/Disable USB mouse legacy support.
Enabled
Disabled Enable/Disable USB mass storage device support.
Enabled
Disabled Enable/Disable the "Port 6h/64h" trapping option. Port 60h/64h trapping allows the BIOS to provide full PS/2 based legacy support
Enabled for USB keyboard and mouse. It provides the PS/2 functionality such as keyboard lock, password setting, scan code selection etc.
to USB keyboards.
FullSpeed Configures the USB 2.0 host controller in HiSpeed (480Mbps) or FullSpeed (12Mbps).
HiSpeed
Disabled Enable workaround for OSes without EHCI hand-off support.
Enabled
Disabled Enable/Disable the beep during USB device enumeration.
Enabled
Auto Select default USB stick emulation type. Auto selects floppy or hard disk emulation based on the storage size of the USB stick, but
Hard Disk the emulation type can be manually reconfigured for each device using the Mass Storage Device Configuration sub menu.
10 Sec Number of seconds the legacy USB support BIOS routine waits for the USB mass storage device after the start unit command.
20 Sec
30 Sec
40 Sec
sub menu Opens sub menu.
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