Aaeon Gene-5310, Manual

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Chapter 3 Award BIOS Setup 61
Onboard FDC/FDD Controller
Select Enabled if your system has a floppy disk controller (FDC)
installed on the system board and you wish to use it. If you install
an add-in FDC or the system has no floppy drive, select Disabled in
this field.
UART 2 Mode
Select an operating mode for the second serial port:
Normal RS-232C serial port
Standard RS-232C serial port
IrDA 1.0 Infrared port compliant with IrDA 1.0
specification
IrDA SIR IrDA-compliant serial infrared port
IrDA MIR 1 MB/sec infrared port
IrDA FIR Fast infrared standard
FIR Fast Infrared standard
MIR 0.57M 0.57-MB/sec infrared port
MIR 1.15M 1.15-MB/sec infrared port
Sharp IR 4-MB/sec data transmission
HPSIR IrDA-compliant serial infrared port
ASK IR Amplitude shift keyed infrared port
IR Function Duplex
Select the value required by the IR device connected to the IR port.
Full duplex mode permits simultaneous two direction transmission.
Half duplex mode permits transmission in one direction only at a
time.
TX, RX inverting enable
Consult your IR peripheral documentation to select the correct
setting .