TECHNICAL INFORMATION DOCUMENT

TITLE:  TF2071 - PS/2 and Serial Mouse Update
DATE:  02OCT95
README FOR:  TF2071
PRODUCT and VERSION:

UnixWare 2.01

Installation Instructions:  

DATATYPE: datastream

1.  Download the tf2071.Z and tf2071.txt files to the /tmp directory
    on your machine.

2.  Read the release notes contained in this file and follow the 
    instuctions to add the package to your system.

3.  Now become root, uncompress the file and add the package to your 
    system using the following commands:

        $ su
        # uncompress /tmp/tf2071.Z
        # pkgadd -d /tmp/tf2071

ENGINEERING RELEASE NOTES
-------------------------

Title
-----

PTF2071 - PS/2 and Serial Mouse Update

Product And Version
-------------------

UnixWare 2.01 or UnixWare 2.02

Abstract
--------

Enhanced support for PS/2 and serial mice

Symptom
--------

On some Pentium(R) systems certain PS/2 mice would cause the display 
to hang and keyboard LEDs to not work.

Logitech First Mouse (Model #0229, M/N: M-MD15L) serial mice will hang. 
This happens after a reboot of the system.

On Logitech mouse model CR32 the middle button does not function.

On Logitech mouse models CR32 and ML38 the mice will freeze randomly after a
reboot or after moving the mouse after just exiting the desktop.

SOLUTION SPECIFICS
------------------

Full support has been added for Logitech mice models, M-MD15L (First Mouse),
CR32 and ML38.  Mouse hangs no longer occur.

PS/2 mice no longer hang on Pentium(R) based systems.  


Software Notes and Recommendations.
----------------------------------

This PTF can be installed on UnixWare 2.01 or UnixWare 2.02.


Testing of the modified software contained in this package has
been conducted only to the extent necessary to confirm that it
resolves the problem(s) stated above ("Symptom").  Such testing
consists of recreating the problem conditions and verifying that 
the problem no longer occurs.  No other testing of this software 
has been done.

Hardware Notes and Recommendations.
----------------------------------

This PTF is targeted for the i386, i486 and Pentium CPU's.