PCI LPT & RS232
Software Guide
Chapter 3 Page 29
NEWCOM.SYS Parameters.
The NewCOM.SYS device driver included with the PCI LPT &
RS232 driver software is used to set up the card in DOS and has
the following syntax:
PCI LPT & RS232
NEWCOM.SYS /A port address, /I IRQ, range /B number buffer
/S buffer /H hardware handshake
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/0 address.
A IRQ, range specifies card interrupt and COM port range. The
COM port range specifies the COM port(s). Range may be a single
port OR a range of ports.
/B number buffer is used to set the number of pairs of buffers to be
allocated to ports and is a decimal number in the range 1-maxport.
/S buffer Set size of all buffers in bytes, buffer is rounded to the
nearest power of 2 and must be a decimal number in the range 32
to 32768. For any serial port opened two buffers of size buffer are
allocated, one for input and the other for output.
/H hardware handshake selects which hardware handshake type to
use on the specified ports. This is used in the following manner:
/H range, hs where range specifies the COM port or ports and hs
selects handshake type. Handshake types available are:
Type 0
RS232 DTR/CTS - The PC only transmits when
CTS is input true. When the PC is able to receive
its sets DTR output true. The DSR and DCD inputs
