Ray Gwinn's comm drivers for OS/2, V1.60d.
SIO.SYS and VSIO.SYS are replacements of the
OS2 communications drivers COM.SYS and
VCOM.SYS which come with OS/2.  VX00.SYS
provides FOSSIL and virtual 16550 support
for DOS programs SIO can be ordered to
supporting any number of ports.  Vmodem now
has both inbound and outbound Telnet.