Acer Aspire M5620 Aspire M5620 Service Guide - Page 46

The following table describes the parameters found in this menu. Parameter Description Options Onboard FDC Select Enabled if your system has a floppy disk [Enabled]. Controller controller (FDC) installed on the system board [Disabled] and you wish to use it. If you install an add-in FDC or the system has no floppy drive, select Disabled in this field. Onboard Serial Select a logical COM port name and matching Port 1 address for the serial port. Select an address and corresponding interrupt for the serial port. UR2 Duplex In an infrared port mode, this field appears. Mode Full-duplex mode permits simultaneous tow-direction transmission. Half-duplex mode permits transmission in one direction only at a time. Select the value required by the IR device connected to the IR port. Onboard Select a logical LPI port address and [xxx+IRQx] Parallel Port corresponding interrupt for the physical parallel port. Parallel Port Select an operating mode for the onboard [Normal], [EPP], Mode parallel (printer) port. [EPP], [EPP+ECP] ECP Mode used This item allows users to manually set the DMA DMA channel for ECP mode 40