2-12 Using NECCSD Utilities IRQ 10 IRQ 11 IRQ 15.Peripheral ConfigurationAdjustments must sometimes be made in the Setup Utilitywhen peripheral devices are added, removed or changed.Use the fields in the following list to configure the systemwhen making any peripheral configuration changes. Serial Ports A and BSelectable parameters for this field are “Disabled,”“Enabled,” and “Auto.” The default setting forSerial Port A is “Enabled.” The default setting for SerialPort B is “Disabled.” The serial ports can be autodetected by choosing “Auto.” The “Auto” parameterenables the serial device, but the BIOS does not place itsresources unless the “PnP OS” field describedpreviously is set to “No.”Use the Enabled setting if you want to choose a specificaddress for the serial port. The following optionsbecome available: Base I/O addressAvailable addresses include “3F8h” (Serial Port Adefault), “2F8h” (Serial Port B default), “3E8h,”and “2E8h.” InterruptAvailable IRQs include “IRQ3” (Serial Port Adefault) and “IRQ4” (Serial Port B default). Serial Port B ModeIf you are using an IrDA device, the Serial Port BMode field should be “IrDA.” The default is“Serial.”
