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Chapter 4 DOS Software
Configration
Introduction.
Determining PCI RS422/485 Resources.
NEWCOM.SYS Parameters.
The NewCOM.SYS device driver included with the PCI RS422/485 driver software is used to set up the
card in DOS and has the following syntax:
NEWCOM.SYS /A port address, /I IRQ,range /B number buffer /S buffer /H hardware handshake
PCI Quad 422/485 Card
This section contains the installation procedures of the PCI Quad Opto
RS422/485 card, with the DOS, Windows 3.x Windows 95, Windows
98/Millennium, Windows NT and Windows 2000 operating systems.
The setup procedures in this chapter assume that your PC has only one serial
port present.
Insert card into PC, as described in .
Run BBCARDS.EXE, from the supplied Serial Solutions CDROM by typing the
following:
D:\diskimg\ssutil\pci\BBCARDS
Where D:\ is the Letter of your CDROM drive
BBCARDS.EXE will return a string that looks similar to the following (values
contained in the string may differ in individual PC's due to resource availability):
card 1 is on bus 0, device 16, function 0
Card ID=5, revision 1: Quad Opto RS422/485
interrupt line 11 has been assigned
4 sets of 16550-compatible registers are at I/O
address 0140
Baud clock control is at I/O address 02d0
Write 0xf6 for /8 (default), 0xf2 for /4, 0xd6 for /2,
0xd2 for /1.
Note down IRQ and I/O which in this case:
The IRQ = 11
The I/O address = 0140
Where:
/A port address specifies COM port number followed by a hexadecimal address
in the form /Ax,y where x is COM port range and y is I/O address.
Chapter 4 DOS Software Configration x 14
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