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How to Use the Board
COM-2(PC)F20
Operating under MS-DOS
This section describes the procedure for using the board under
MS-DOS and lists a number of points to note.
Procedure
First, set the operation mode (I/O address) and interrupt level for
the COM-2(PC)F. Set the COM-2(PC)F switch and jumpers as
described in Hardware Setup.
When using the board in Compatible mode, the system area of the
PC must be set to recognize the I/O address used by the
COM-2(PC)F. If a system configuration program or the
MODE.COM command is available on the PC, use the program to
set the I/O addresses for the standard serial ports. If neither a
system configuration program nor the MODE.COM command is
available, use the SETCOM.EXE program provided on the floppy
disk to set the I/O addresses for the standard serial ports as shown
below. Set the I/O address to "NONE" for unused serial ports.
C>SETCOM [COM1 I/O address] [COM2 I/O address]
[COM3 I/O address] [COM4 I/O address]
Example:
C>SETCOM 3F8 2F8 NONE NONE
COM-2(PC) series compatible mode setting software by CONTEC
I/O address data: COM1:[3F8] COM2:[2F8] COM3:[NONE] COM4:[NONE]
C>
The I/O addresses used by the COM-2(PC)F do not need to be set
for the system area of the PC when using the board in Enhanced
mode.