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BIOS Setup
UR2 Duplex Mode
Half
Data is completely transmitted before receiving data.
Full
Transmits and receives data simultaneously.
Use IR Pins
The options are IR-Rx2Tx2 and RxD2TxD2.
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 port. The
options are 1 and 3. Default setting: 3.
