SIO2K

SIO2K is a set of "Serial Input Output" drivers and utilities for OS/2.

It is a replacement for the OS2 communications drivers COM.SYS and VCOM.SYS. Providing enhanced performance, extended bit rate support on most motherboards, virtual modems using internet, and FOSSIL drivers.

Freeware
In 2021 Martin Iturbide requested permission to Ray Gwinn to distribute registered version SIO and SIO2K as freeware. Ray gave permission on February of 2021.

Links

 * Archived Website