Due to the limited space of the BIOS ROM, the support for legacy USB keyboard (in DOS
mode) is by default set to disabled. With more BIOS ROM space available, it will be able
to support more advanced features as well as provide compatibility to a wide variety of
peripheral devices.
This is a workaround for OSs that does not support EHCI hand-off. The EHCI ownership
change should be claimed by the EHCI driver.
Selects the USB mass storage device’s start unit command timeout (10, 20, 30 or 40 sec-
onds).
This section is used to configure serial ports 0 to 1.
Displays the Super I/O chip used on the board.
This section is used to configure serial port 0.
Enables or disables the serial port.
Disabled - Serial port is not available
Enabled - (default) Serial port is available
Selects an optimal setting for the super IO device.
This field is used to configure the mode of serial port 0 as RS232 (default), RS422,
RS485 or RS485 AUTO.
This section is used to configure serial port 1.
Legacy USB Support
EHCI Hand-off
Device reset time-out
Submenu "Super IO Con-
figuration"
Super IO Chip
Submenu "Serial Port 0
Configuration"
Serial Port
Change Settings
Onboard Serial Port 0
Mode
Submenu "Serial Port 1
Configuration"
VIPA HMI
BIOS setup
Advanced
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