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Shareware Supreme Volume 6 #1
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swsii.zip
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swsii
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165
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DMDRIVER.ZIP
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DMDRIVER.W3
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1990-06-24
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#: 7569 (H) S1/General Information
08-Jun-90 15:02:19
Sb: DMDRVR/Win3 solution!
Fm: Ontrack Computer Systems 73157,2505
To: all
To : Windows 3.0 and Disk Manager users
From : Ontrack Computer Systems
Re : Windows 3.0 and Disk Manager
Ontrack Computer Systems is pleased to announce the following solution
to those of our customers who have, or wish to have, MicroSoft Windows 3.0
installed on their 386 PC's and have a hard drive with more than 1024
cylinders using our Disk Manager driver "DMDRVR.BIN". The solution
presented here is the result of a combined effort of Ontrack engineering
and MicroSoft development.
The situation addressed here concerns the computer hanging when
Windows is invoked in the enhanced mode. Since Windows will default to
this mode on 386 systems, the system will hang unless Windows is activated
using "win/s" or "win/r". Computers with the 286 processor are not
affected since the system only hangs upon entering the 'virtual mode' of
the 386 processor. 386 systems with hard drives having 1024 or fewer
cylinders are also unaffected.
A change must be made to "SYSTEM.INI" in the section with the heading:
[386enh]
This section requires the addition of the exact line shown below:
VIRTUALHDIRQ=OFF
(Be aware that there are no embedded spaces in this line.)
This change can be performed by using any word processor. Notepad,
invoked from Windows (win/r or win/s will allow Windows to come up) should
be able to make the changes. See pages 528-9 in the index of the Windows
Users Guide for examples on how to modify SYSTEM.INI.
We are aware of allegations of data corruption on systems running
Windows and Disk Manager's device driver, DMDRVR.BIN. We have performed
extensive tests and are unable to produce data corruption in our labs, nor
has MicroSoft's development staff been able to produce data integrity
problems. Through the combined efforts of Ontrack Computer Systems and
MicroSoft development teams, we are also confident that data corruption
could not occur through the normal interaction of our respective software
products.
We hope this addresses the concerns of users operating in the Windows/
Disk Manager environment.