Advantech DSA-3400 User Manual page 47

4.6.15 UR2 Duplex Mode
This item allows you to select the IR half/full duplex function. The choices: Half, Full.
4.6.16 Onboard Parallel Port
This field sets the address of the on-board parallel port connector. You can select either
3BCH/IRQ7, 378H/IRQ7, 278H/IRQ5 or Disabled. If you install an I/O card with a parallel port,
make sure there is no conflict in the address assignments. The CPU card can support up to
three parallel ports, as long as there are no conflicts for each port.
4.6.17 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 bi-directional parallel
port operation at maximum speed. "ECP" allows the parallel port to operate in bi-directional
mode and at a speed faster than the maximum data transfer rate. "ECP + EPP" allows normal
speed operation in a two-way mode.
4.6.18 EPP Mode Select
This field allows you to select EPP port type 1.7 or 1.9. The choices: EPP1.7, 1.9.
4.6.19 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 Use DMA, you can select DMA channel 1, DMA channel 3, or Disable.
Leave this field on the default setting.
Figure 4.8: SuperIO Device