CyberCom V1.1.0.0P

CYBERCOM.DRV 9264 11-26-93 1:06p

The High Speed Serial Communications Driver for Windows 3.1
Designed for 386 (and above) systems using the 16550 serial port
chip. (C) CyberSoft Corp 1993

Requires Windows 3.1, Enhanced Mode, a 16550 UART


INTRODUCTION.
-------------
CyberCom is a direct replacement for the standard Windows
Communications Driver (COMM.DRV).

* Transfer at up to 115,200 KB with a 16550 serial port chip
* Great for V.FAST and Voice modems that require 57,600 Kb
* More reliable Transfer with less overhead on your system - Better
background operation.
* Fewer (if any) over/under runs.


HOW DOES IT WORK?
-----------------
Don't worry if the following sounds too complicated - just skip over
it and move on to the Installation...

* CyberCom enables the FIFO buffer on the 16550 to be enabled for both
receive AND transmit - COMM.DRV only enables the FIFO for receive.

* The 'interrupt trigger level' has been set to 8 for both transmit and
receive. This gives your applications a lot more time to process
incoming information. COMM.DRV sets the trigger level to 14 which
means that your application only has 2 characters in which read from
the FIFO buffer.

What this means is that your communications applications will get far
fewer (if any) 'under runs' or 'over runs' when sending or receiving.


INSTALLATION
------------
1. Copy CYBERCOM.DRV into your Windows\System directory.

Edit the Windows\SYSTEM.INI file and change the following line:

From comm.drv=comm.drv
To comm.drv=cybercom.drv

2. If you previously have not taken advantage of the 16550 installed
in your computer then ensure that the Windows\SYSTEM.INI file has the
following information:

[386Enh]
COMnFIFO=1

where n is the number of the COM port.

if your 16550 is installed on, say, COM 1 then

[386Enh]
COM1FIFO=1

3. Start or Restart windows.


LICENCE
-------
CyberCom is provided free for non-commercial use.

You may not distribute CyberCom for profit. If you wish to include
CyberCom with your applications then contact CyberSoft at the address
below for details about royalty-free licences.

----------------------------------------------------------------------
For further information, upgrades, problems etc please contact us at:

Attention: Douglas I. Scadlock
CyberSoft Corporation Pty Ltd,
PO BOX 407 Vaucluse,
New South Wales
2030 Australia
Phone +61 2 805 1077
Fax +61 2 805 0897
CIS 100033,1723


CAVEAT
------
THE INFORMATION AND COMMUNICATIONS DRIVER PROVIDED HEREUNDER
(COLLECTIVELY REFERRED TO AS "SOFTWARE") IS PROVIDED AS IS WITHOUT
WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE.

(C) CyberSoft Corp 1993
(C) Microsoft Corp

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