Acer Aspire M1620 Service Manual

Also see for Aspire M1620: User guide Installation guide

40The following table describes the parameters found in this menu.Parameter Description OptionsOnboard FDCControllerSelect Enabled if your system has a floppydisk controller (FDC) installed on the systemboard and you wish to use it. If you install anadd-in FDC or the system has no floppydrive, select Disabled in this field.[Enabled]. [Disabled]OnboardSerial Port 1Select a logical COM port name andmatching address for the serial port. Selectan address and corresponding interrupt forthe serial port.UR2 DuplexModeIn an infrared port mode, this field appears.Full-duplex mode permits simultaneoustow-direction transmission. Half-duplexmode permits transmission in one directiononly at a time. Select the value required bythe IR device connected to the IR port.OnboardParallel PortSelect a logical LPI port address andcorresponding interrupt for the physicalparallel port.[xxx+IRQx]Parallel PortModeSelect an operating mode for the onboardparallel (printer) port.[Normal], [EPP],[EPP], [EPP+ECP]ECP Modeused DMAThis item allows users to manually set theDMA channel for ECP mode