How do you emulate standard COM ports with the ISA Classic board?


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How do you emulate standard COM ports with the ISA Classic board? How do you emulate standard COM ports with the ISA Classic board?

Run the Classic CFG utility from a clean DOS boot

Select F3 to Edit New Profile

Select "No" for PnP Mode

Select "Digi" for Control Register Int Mode

Select a unique value for the Control Register I/O

Select IRQ 3 for the Control Register IRQ

Select 3F8 for the port address for Port 1, 2F8 for the port address for Port 2, and unique I/O addresses for all other ports listed

Tab over to the IRQ field located next to the I/O Base setting for Port 1

Use the arrow keys to select IRQ 4

Select F5 to Write New Profile to Board

Select F6 to Write New Profile to Disk

Select and name the profile you created

Select F10 to Exit

These settings will configure Port 1 on the Classic board as standard COM 1 (3F8, IRQ 4) and Port 2 on the Classic board as standard COM 2 (2F8, IRQ 3)