Acer Aspire M5620 Service Manual page 46

The following table describes the parameters found in this menu.
Parameter
Onboard FDC Select Enabled if your system has a floppy disk
Controller 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.
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
Parallel Port corresponding interrupt for the physical
parallel port.
Parallel Port Select an operating mode for the onboard
Mode parallel (printer) port.
ECP Mode used This item allows users to manually set the
DMA DMA channel for ECP mode
Description Options
[Enabled].
[Disabled]
[xxx+IRQx]
[Normal], [EPP],
[EPP], [EPP+ECP]
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