DFI EL330-DR - Manual (Page 75)

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3
BIOS Setup
Onboard Serial Port 1 and Onboard Serial Port 2
Auto The system will automatically select an I/O address
for the onboard serial port 1 and serial port 2.
3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4, 2E8/IRQ3 Allows you to
manually select an I/O address for the onboard se-
rial port 1 and serial port 2.
Disabled Disables the onboard serial port 1 and/or serial
port 2.
Onboard Parallel Port
378/IRQ7, 3BC/IRQ7, 278/IRQ5 Selects the I/O address and
IRQ for the onboard parallel port.
Disabled Disables the onboard parallel port.
Parallel Port Mode
The options are SPP, EPP, ECP and ECP+EPP. These apply to a
standard specification and will depend on the type and speed of
your device. Refer to your peripheral’s manual for the best option.
SPP
Allows normal speed operation but in one direction only.
“ECP (Extended Capabilities Port)”
Allows parallel port to operate in bidirectional mode and at a
speed faster than the normal mode’s data transfer rate.
“EPP (Enhanced Parallel Port)”
Allows bidirectional parallel port operation at maximum speed.
EPP Mode Select
This field is used to select the EPP mode.
ECP Mode Use DMA
This field is used to select a DMA channel for the parallel por t. The
options are 1 and 3.