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1994-11-09
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───────────────────▄─ Quarterdeck Office Systems
────────────────▄▄▄── 150 Pico Boulevard
─────────────▄▄▄▄▄─── Santa Monica CA 90405
──────────▄▄▄▄▄▄▄────
───────▄▄▄▄▄▄▄▄▄─────
────▄▄▄▄▄▄▄▄▄▄▄──────
November 7, 1994
This patchfile implements fixes to QEMM 7.5, dated 9-17-94. The date on
the QEMM386.SYS file in your QEMM directory should be 9-17-94 ONLY. If
the date on this file is earlier or later than 9-17-94, do not attempt
to apply this patch.
This patch should be applied this way:
1) Copy the files which accompany this README: RUNME.BAT, PATCH.EX_
QEMM75.PAT, OPTIMIZE.RTP and QEMM.RTP into your QEMM directory.
2) Type
RUNME
After the patch has been successfully applied, you may delete the
following files (if any still exist) from your QEMM directory:
RUNME.BAT, PATCH.EXE, OPTIMIZE.RTP and QEMM.RTP
The following enhancements and changes have been made in the QEMM
package for this release.
1) A problem with resizing XMS handles has been addressed. This could
cause various forms of strange behaviour. The most common symptom is
that XMS disk caches capable of lending memory did not resize
properly. Other symptoms include a failure to enter Microsoft
Windows a second time, a "Not enough memory to load program" report
from Microsoft Windows, or a conflict between QuickBoot and QDPMI.
2) OPTIMIZE would occasionally fail to detect adapter RAM properly.
3) For a very small number of users, OPTIMIZE when run with the /ST
parameter would add either "k.com" or "goodrich@qdeck.com" to the end
of the QEMM386.SYS line at some point during OPTIMIZE.
Additional notes:
1) Some customers who use the Microsoft CD-ROM extensions (MSCDEX) have
noted that the OPTIMIZE process will not complete successfully if
a large number of buffers has been specified via the /M and /E
parameters. Either the OPTIMIZE process will simply stop after the
first reboot, or it will go through several reboots and post an error
message. This problem occurs because in the absence of expanded
memory, MSCDEX will put its buffers into conventional memory, which
does not leave enough memory for the OPTIMIZE process to continue.
There is no expanded memory available during the hardware detection
phase of OPTIMIZE. (Note that this behaviour by MSCDEX will present
substantial problems, exclusive of OPTIMIZE, in the absence of EMS.)
This problem can be worked around by specifying the /NH parameter to
OPTIMIZE, which skips the hardware detection phase of OPTIMIZE.
Other expanded-memory-using programs which display similar behaviour
may present the same kinds of symptoms, and the same workaround may
be applied.
2) Some customers report less conventional memory available with QEMM
7.5 than with previous versions. In many cases, this is because QEMM
attempts automaticallyy to EXCLUDE a byte in the F000 region, in
order to better support Microsoft Windows' MaxBPS= SYSTEM.INI
setting. If you have set MaxBPS set to a value greater than 200,
QEMM's default behaviour will likely be preferable to you. If you
have MaxBPS set to a value of 200 or less, you might wish to try
adding the SRBP:N parameter to the end of the QEMM386.SYS line in
CONFIG.SYS.
3) In rare cases, some customers with some Gateway 2000 PCI machines
have had the experience of hangs immediately after the QEMM banner
appears on the screen. This can be worked around by changing the L2
cache setting in the machine's BIOS setup to Write-Through, rather
than Write-Back.
4) QEMM 7.5 comes with a feature for Stacker 4.0. This feature reduces
Stacker's overhead in conventional memory or in High RAM to as little
as 13K on MS-DOS 6 systems.
A program to update Stacker to enable this feature is available to
all registered users of Stacker 4, either from Stac Electronics or
from Quarterdeck, under the filename S4UP.EXE. To get your copy of
this file, join the CompuServe forum for either Quarterdeck or Stac,
by typing GO QUARTERDECK or GO STAC at any CompuServe main prompt.
Alternatively, using your modem, call
Stac Electronics BBS (619) 431-5956
Quarterdeck BBS (310) 314-3227
Once you have acquired this file and run the update, you may
activate the Stacker feature. Here are Stac Electronics'
instructions for activating this feature.
1. If you are currently inside Windows, exit it.
2. At the DOS prompt, change to the Stacker directory.
3. Type ED /I
4. Press Enter to insert a new line.
5. On this new line, type /QD
6. Press Esc to exit the editor, and then press Enter to save
your changes.
7. Restart your system to put the changes into effect.