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Hot Plug [Disabled]
These items become configurable only when you set the SATA Mode Selection
item to [AHCI] and allow you to enable/disable SATA Hot Plug Support.
Configuration options: [Disabled] [Enabled]
3.3.5
USB Configuration
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]
[Disabled]
[Auto]
3.3.6
NCT6791D Super IO Configuration
Allows you to configure the system super I/O chip parameters.
Serial Port1~2 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]
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.
Configuration 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.
Configuration options: [RS232] [RS422] [RS485]
3-6
Enables the support for USB devices on legacy
operating systems (OS).
The USB devices can be used only for the BIOS setup
program.
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.
EMB-H81A
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