31Onboard FDC > to enable the FDC on your board. If you set itAuto, the BIOS will decide if the FDC should be enabled,automatically).Onboard Serial Port A (/B) > to specify the I/O port address ofthe serial port A (/B). If you set it Auto, the BIOS will decide thecorrect I/O port address, automatically.Serial Port B Mode > to specify the mode of serial port B.IR Duplex Mode > to specify the mode of IR device that isconnected to the IR port.IrDA Protocol > to specify the function mode if an IrDA mode isselected.Onboard Parallel Port > to specify the I/O port address of theparallel port.Parallel Port Mode > to specify the mode of parallel port. Theoptions are:Normal (normal parallel port mode),Bi-Dir (supports bi-directional transfer),EPP (supports devices that comply with the Enhanced ParallelPort specification),32ECP (supports devices that comply with the ExtendedCapabilities Port).Parallel Port IRQ > to assign certain IRQ to the parallel port.The optimal and fail-safe settings are 7.Parallel Port DMA Channel > available only if the parallel portmode is ECP. The optimal and fail-safe settings are 3.Onboard IDE > to define which on-board IDE controllerchannel(s) to be used. Available options are primary, Secondary,Both and Disabled.4.7 PCI / PLUG AND PLAY SETUPThe setup helps users handle the ROCKY-3703EVR board‘s“PCI” function. All PCI bus slots on the system use INTA#, thusall installed PCI slots must be set to this value.Plug and Play Aware O/S > Yes or NoWhen PnP OS is installed, the OS may reassign interrupts whenthe setting is “Yes”. When a non-PNP OS is installed or toprevent reassigning of interrupt settings, select setting to “No”.