APPENDIX H
CONCURRENT DOS CONFIGURATION
MULTI-USER (DR.) DOS CONFIGURATION


Set I/O port address to 2A0 and interrupt to IRQ3. To install device drivers, please run the SETUP program, then follow the menu instructions to set up I/O port address, communication parameters (such as: baud rate, parity, data bits, ... etc.), and handshaking. The hardware configuration is shown below:



For multi-user DOS (Dr. DOS) configuration, please set I/O port address to 2A0H, any interrupt (IRQ3 to IRQ7) is used.