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README.TX_
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1995-08-06
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Microcom Parallel Modem Driver
Version 4.01
README.TXT
USING NOTEPAD TO VIEW ON-LINE DOCUMENTS
=======================================
* You can enlarge Notepad to its maximum size to make this
document easier to read. To do so, click the Maximize button
in the upper-right corner of the Notepad window, or open the
Control menu in the upper-left corner of the Notepad window
and choose Maximize.
* To move through the document, press PAGE UP and PAGE DOWN or
click the arrows at the top and bottom of the scroll bar
along the right side of the Notepad window.
* To print the document, choose Print from the Notepad File
menu.
* For Help using Notepad, press F1.
PARALLEL MODEM DRIVER NOTES
===========================
This document contains important information about the Microcom
Parallel Modem Driver (referred to as the Parallel Modem Driver)
including the following topics:
* Copying files from the Parallel Modem Driver disks
* Information not found in the User Guide
* Files included on the diskettes
COPYING FILES FROM THE PARALLEL MODEM DRIVER DISKS
==================================================
The files on the Parallel Modem Driver installation disks are
compressed. The files are not usable until they are expanded.
Setup expands the compressed files as they are copied onto your
hard disk.
If you need to copy files directly from the Parallel Modem Driver
disk without using Setup, follow these steps:
1. Copy EXPAND.EXE from the Parallel Modem Driver disk onto
your hard drive. (This utility expands compressed files to
a usable format.)
2. Insert the disk with the file you want to expand into drive
A: (or any floppy-disk drive).
3. Type the following and press ENTER:
EXPAND x:<filename> y:<filename>
where x: is the disk drive you are copying from (source)
y: is the disk drive you are copying to (destination)
The compressed file is expanded as it is copied onto your
hard-disk drive.
INFORMATION NOT FOUND IN THE USER GUIDE
=======================================
Setting an Interrupt Request (IRQ) for the Parallel Port in
Windows 95
-----------------------------------------------------------
In most applications, your modem should operate properly
when installed and configured as indicated in your user
documentation.
In some applications, for example, Remote Network Access, or
when using fax software packages, setting an IRQ for the
parallel port of external (desktop) V.34 modems can enhance
the performance of your modem.
Use the Device Manager to assign an IRQ to the parallel port.
(The Device Manager is accessed by double-clicking on the
System icon in the control panel.)
Using Microphone II with the Parallel Port
------------------------------------------
If you are using Software Ventures' Microphone II or
Microphone Pro, Microcom recommends that you set the baud
rate for a redirected COM port to 19200 or below. The
reason for this is in a ZMODEM file transfer, Microphone
uses the baud rate as a means of determining when specific
portions of a file should be retransmitted. It is possible
to see a number of retries during a transmission which are
due to Microphone expecting data before it is present.
Reducing the baud rate reduces these occurrences without
affecting file transfer throughput.
Some Applications Report a Hardware Not Present Error
-----------------------------------------------------
Some applications report an error that hardware is not
present if a redirected COM port is open, but the Parallel
Modem to be used by the COM port is not powered on. Powering on
the Parallel Modem and re-opening the COM port solves
this problem.
Application Compatibility Section in PPM.INI (Windows 3.10 Only)
---------------------------------------------------------------
Some applications require special processing by the Parallel
Modem Driver. This feature is controlled using the
[Application Compatibility] section in PPM.INI, the Parallel
Modem Driver initialization file. One application which requires
the special processing is Digital Communications Associates'
Crosstalk 2.0 (and 2.0.1). The proper line to enable this
processing for Crosstalk will be added automatically if the
Parallel Modem Driver is installed using the Setup program. If
the Parallel Modem Driver is installed manually, add the following
lines to PPM.INI located in your Windows directory:
[Application Compatibility]
XTALK.EXE=0001
Windows Terminal XMODEM file transfers
--------------------------------------
Using Windows Terminal for XMODEM file transfers results
in the removal of any CTRL-Z end-of-file characters from the
file that is transferred. This data is not lost in
transmission; Terminal's implementation of the XMODEM file
transfer protocol does not write end-of-file characters to
the disk on the receiving system.
Using The DOS Parallel Modem TSR
================================
The DOS Parallel Modem TSR (PPM.EXE) provides an interface
which is compatible with the NCSI/NASI communications
specification. Once loaded, PPM.EXE allows access to a
Parallel Modem connected to LPT1, LPT2, LPT3, or installed
in a PCMCIA slot. The port is given a unique NCSI/NASI name
as follows:
Modem Port Server:General:Specific
-----------------------------------------------
LPT1 MICROCOM:MODEM__:LPT1__________
LPT2 MICROCOM:MODEM__:LPT2__________
LPT3 MICROCOM:MODEM__:LPT3__________
PCMCIA MICROCOM:MODEM__:TCF1__________
For PCMCIA modems, the port I/O address and IRQ are determined
by PCMCIA Card Services if loaded.
PPM.EXE is designed to be loaded before Windows is loaded.
The TSR is loaded by typing
PPM <Enter>
at the DOS prompt.
PPM.EXE can be unloaded by typing
PPM -U <Enter>
at the DOS prompt.
PARALLEL MODEM FILES INCLUDED ON THE DISKETTE
=============================================
_MSSETUP.EX_ Compressed Setup file.
CTL3D.DL_ Compressed Windows driver support file.
EXPAND.EXE Decompression utility.
FIRMUP.EX_ Compressed firmware update utility.
MCHOOK.DL_ Compressed Windows driver support file.
MCMETER.DL_ Compressed firmware update support file.
MMISYS.DL_ Compressed status monitor support file.
MSCOMSTF.DL_ Compressed setup support file.
MSCUISTF.DL_ Compressed setup support file.
MSDETSTF.DL_ Compressed setup support file.
MSINSSTF.DL_ Compressed setup support file.
MSSHLSTF.DL_ Compressed setup support file.
MSUILSTF.DL_ Compressed setup support file.
MWATCH.EX_ Compressed status monitor utility.
PPM.DR_ Compressed Windows 3.10 driver.
PPM.38_ Compressed Windows for Workgroups 3.11 32-bit driver.
PPM.VX_ Compressed Windows 95 32-bit driver.
VPPM.38_ Compressed Windows 32-bit support driver.
PPM.EX_ Compressed DOS NCSI/NASI TSR driver.
PPM.HL_ Compressed Windows driver help file.
PPMCPL.EX_ Compressed modem control applet.
PPMSETUP.EX_ Compressed setup support file.
PPMSETUP.HL_ Compressed setup help file.
README.TXT This file.
SETUP.EXE Setup program.
SETUP.LST Setup support file.
TCENABLE.EXE PCMCIA point enabler.
=================
End of README.TXT
=================