Owner's manual

3-6
EMB-H81A
Hot Plug [Disabled]
These items become congurable only when you set the SATA Mode Selection
item to [AHCI] and allow you to enable/disable SATA Hot Plug Support.
Conguration options: [Disabled] [Enabled]
3.3.5 USBConguration
The items in this menu allow you to change the USB-related features.
The USB Devices item shows the 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] The USB devices can be used only for the BIOS setup
program.
[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.
3.3.6 NCT6791DSuperIOConguration
Allows you to congure the system super I/O chip parameters.
SerialPort1~2Conguration
The sub-items in this menu allow you to set the serial port conguration.
Serial Port [Enabled]
Allows you to enable or disable the serial port (COM).Conguration options:
[Enabled] [Disabled]
The followins two items appear only when you set the Serial Port to [Enabled].
Change Settings [Auto]
Allows you to select the Serial Port base address.
Conguration options: [Auto] [IO=3F8h; IRQ=4] [IO=2F8h; IRQ=3]
RS 232/422/485 [RS232]
This item is only supported by Serial Port 1 and allows you to select COM RS
Mode.
Conguration options: [RS232] [RS422] [RS485]