Figure 4.9: Super IO Device
4.6.9 Onboard FDC Controller
When enabled, this field allows you to connect your floppy disk drives to the onboard floppy disk drive connector instead of a separate controller card. If you want to use a different controller card to connect the floppy disk drives, set this field to Disabled.
4.6.10 Onboard Serial Port
These fields allow you to select the IRQ of onboard serial port with their addresses, or you can select Disabled. The default values for these ports are:
Serial Port 1 3F8/IRQ4
Serial Port 2 2F8/IRQ3
4.6.11 UART Mode Select
This item allows you to select UART mode. The choices: IrDA, ASKIR, Normal.
4.6.12 RxD, TxD Active
This item allows you to determine the active of RxD, TxD. The Choices: “Hi, Hi,” “Lo, Lo,” “Lo, Hi,” “Hi, Lo.”
4.6.13 IR Transmission Delay
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