Chapter 2 37I/O Device ConfigurationThe parameters in this screen are for advanced users only. You do not need to change the values in thisscreen because these values are already optimized.The I/O Device Configuration screen assigns resources to basic computer communication hardware.NOTE: When the device is disabled, all the sub-items will be showed as [--].The following table describes the parameters in this screen. Settings in boldface are the default and suggestedparameter settings.Parameter Description OptionsSerial Port A Enables or disables the serial port.The serial port is a PnP device. Enabled/Disabledsetting won’t affect the setting of the serial port indevice manager of Windows.When enabled, you can set the base I/O address andinterrupt request (IRQ) of the serial port.Help: [Disabled] : No configuration[Enabled] : User configuration[Auto] : BIOS or OS chooses configurationDisabledEnabledAutoMode Sets speration mode of the serial port.Only set the serial post operation mode in BIOSSetup.Help: Set the mode for the serial port usingCOM PortFIRBase I/O Address Sets the I/O address of the com operation.Help: Set the base I/O address for serial port.3F8, 2F8, 3E8 or 2E8PhoenixBIOS Setup UtilityAdvancedI/O Device Configuration Item Specific HelpSerial port: [Enabled]Mode: [FIR]Base I/O Address: [2F8]Interrupt: [IRQ 3]DMA channel: [DMA 3]Parallel port: [Enabled]Mode: [Bi-directional]Base I/O address: [378]Interrupt: [IRQ7]Configure serial portusing options:[Disabled]No configuration[Enabled]User Configuration[Auto]BIOS or OS choosesconfiguration(OS Cintrolled)Displayed when Controlledby OSF1 Help ÏÐ Select Item F5/F6 Change Values F9 Setup DefaultsEsc Exit ÍÎ Select Menu Enter Select > Sub Menu F10 Save and Exit
