Software Setup
96
AT8050
www.kontron.com
5.1.4.7
USB Configuration sub-menu
5.1.4.8
USB Mass Storage Device Configuration sub-menu
5.1.4.9
Advanced Chipset Control sub-menu
Feature
Option
Description
Help text
USB 2.0 Controller Mode
FullSpeed
HiSpeed
Configures the USB 2.0 Controller in HiSpeed
(480Mbps) or FullSpeed (12Mbps).
FullSpeed: 12 Mbps
HiSpeed: 480 Mbps
BIOS EHCI Hand-Off
Enabled
Disabled
A workaround for OSes without EHCI hand-off
support can be enabled/disabled. The EHCI
ownership change should be claimed by an
EHCI driver.
Enabled: EHCI hand-off
support enabled.
Disabled: EHCI hand-off
support disabled.
USB Mass Storage Device
Configuration (only
present if USB Mass
Storage detected)
N/A
Selects sub-menu.
Configure the USB Mass
Storage Class Devices.
Feature
Option
Description
Help text
Device #1-6
Mass Storage Device identification
Emulation Type (for each
devices)
Auto
Floppy
Forced FDD
Hard Disk
CDROM
If Auto, USB devices less than 530MB will be
emulated as Floppy and remaining as hard
drive. Forced FDD option can be used to force a
HDD formatted drive to boot as FDD (Ex. ZIP
drive).
If Auto, USB devices less
than 530MB will be
emulated as Floppy and
remaining as hard drive.
Forced FDD option can
be used to force a HDD
formatted drive to boot
as FDD.
Feature
Option
Description
Help text
CPU Bridge Configuration
N/A
Select sub-menu
N/A
Northbridge
Configuration
N/A
Select sub-menu
N/A
Spread Spectrum Clocking
Mode
Enabled
Disabled
Allows BIOS to set Clock Spread Spectrum for
EMI (electromagnetic interference) control.
Enabled: Allows setting
of Clock Spread
Spectrum for EMI
control. Disabled:
Denies setting of Clock
Spread Spectrum for EMI
control.
