Elitegroup A900 (V2.1) - Manual (Page 61)

Modem Device
Set this field to Enabled to enable the modem device support.
The settings are Enabled (default value) or Disabled.
USB Device
Set this option to Enabled to enable USB (Universal Serial Bus)
support.
The settings are Enabled (default value) or Disabled.
OnBoard Serial Port A
This option specifies the base I/O port address of serial port 1.
The settings are Auto (AMIBIOS automatically
determines the correct base I/O port address), Disabled,
3F8/COM1 (default value), 2F8/COM2, 3E8/COM3 or
2E8/COM4.
IR Port Support
This option specifies the IR port address for the IR Port.
The settings are Auto, Disabled, 6F8h (default value),
7F8h, 7E8h or 6E8h.
IR Mode Select
This option specifies the infrared transmission method.
The settings are SIR (default value) or FIR.
IR IRQ Select
This option specifies the IR IRQ select for the IR port.
The settings are 3 (default value), 4, 5, 9, 10, 11 and 12.
IR DMA Select
This option specifies the IR DMA select for the IR port.
The settings are Disabled, 0, 1 (default value) and 3.
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