Acer Aspire M5640 - Manual (Page 43)

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The following table describes the parameters found in this menu.
Parameter Description Options
Onboard FDC
Controller Select Enabled if your system has a floppy
disk controller (FDC) installed on the system
board 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. [Enabled]. [Disabled]
Onboard
Serial Port 1 Select a logical COM port name and
matching address for the serial port. Select
an address and corresponding interrupt for
the serial port.
UR2 Duplex
Mode In an infrared port mode, this field appears.
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
Parallel Port Select a logical LPI port address and
corresponding interrupt for the physical
parallel port. [xxx+IRQx]
Parallel Port
Mode Select an operating mode for the onboard
parallel (printer) port. [Normal], [EPP],
[EPP], [EPP+ECP]
ECP Mode
used DMA This item allows users to manually set the
DMA channel for ECP mode