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3.6.20 UR2 Duplex Mode
This item allows you to select the IR half/full duplex function. The
choices are "Half" and "Full".
3.6.21 Use IR Pins
The choices are "RxD2, TxD2" and "IR-Rx2Tx2".
3.6.22 Onboard Parallel Port
This field sets the address of the on-board parallel port connector. You
can select "378/IRQ7", "278/IRQ5", "3BC/IRQ7", or "Disabled". If you
install an I/O card with a parallel port, make sure there is no conflict in
the address assignments. The single board computer can support up to
three parallel ports.
3.6.23 Parallel Port Mode
This field allows you to set the operation mode of the parallel port. The
setting "Normal" allows normal speed operation, but in one direction
only. "EPP" allows bidirectional parallel port operation at maximum
speed. "ECP" allows the parallel port to operate in bidirectional mode and
at a speed faster than the maximum data transfer rate. "ECP + EPP"
allows normal speed operation in a two-way mode.
3.6.24 EPP Mode Select
This field allows you to select EPP port type 1.7 or 1.9. The choices are
"EPP1.9" and "EPP1.7".
3.6.25 ECP Mode Use DMA
This selection is available only if you select "ECP" or "ECP + EPP" in
the Parallel Port Mode field. In ECP Mode, you can select DMA channel
1 or DMA channel 3. Leave this field on the default setting.
3.6.26 Onboard Serial Port 3
The settings are "4F8h/IRQ10", "4E8h/IRQ10" and "Disabled" for the
on-board serial connector 3.
3.6.27 Onboard Serial Port 4
The settings are "4F8h/IRQ11", "4E8h/IRQ11" and "Disabled" for the
on-board serial connector 4.
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Chapter 3
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