AAEON EMB-KB1 - Manual (Page 34)

3-4 EMB-KB1
3.3.4 USB Configuration
The USB Devices item lists auto-detected values. If no USB device is detected,
the item shows None.
Legacy USB Support [Enabled]
[Enabled]
Enables the support for USB devices on legacy
operating systems (OS).
[Disabled] USB devices are only available when running BIOS
Setup.
[Auto] Allows the system to detect the presence of USB
devices at startup. If detected, the USB controller
legacy mode is enabled. If no USB device is detected,
the legacy USB support is disabled.
3.3.5 F81866 Super IO Configuration
Serial Port1~6 Configuration
The sub-items in this menu allow you to set the serial port configuration.
Serial Port [Enabled]
Allows you to enable or disable the serial port (COM).
Configuration options: [Enabled] [Disabled]
Change Settings [Auto]
Allows you to select the Serial Port base address.
Configuration options:
[Auto] [IO=3F8h; IRQ=4] [IO=2F8h; IRQ=3]
RS Mode [RS232]
Allows you to select COM RS Mode.
Configuration options: [RS232] [RS422] [RS485]