User`s manual

1.2 Supported Serial Port Adapters
{ All Quatech serial adapters
{ Standard (legacy) single serial port hardware such as built-in motherboard ports.
{ Multiport serial adapters from manufacturers other than Quatech are not supported.
Performance is enhanced by the interrupt status register found on Quatech PCI and
PCMCIA serial adapters and on most Quatech multiport serial adapters for ISA and Micro
Channel (MCA) bus computers. The driver also supports the Quatech ESI-100Q intelligent
eight-port serial adapter.
1.3 Requirements
{ OS/2 version 2.11 or later (earlier versions do not support PCI devices)
{ Approximately 50 kB of hard drive space
{ The Interrupt Status Register on Quatech serial adapters must be enabled
1.4 Driver Components
{ QCOM.SYS physical device driver (replaces IBM's COM.SYS)
{ QVCOM.SYS virtual device driver for DOS support (replaces IBM's VCOM.SYS)
Quatech Asynchronous Serial Device Driver for OS/2 2