QUARTERDECK ANNOUNCES QEMM 7.5 FOR WINDOWS AND DOS

The Safest, Most Powerful Memory Manager for Windows, DOS and Games
Provides New Features for Windows, Stacker, IBM Thinkpads and more

SANTA MONICA, Calif., September 13, 1994 Quarterdeck Office Systems, Inc.
(NASDAQ:QDEK) today announced version 7.5 of QEMM, its award-winning,
category-leading memory manager.  This new release marks the first time a
memory manager has been released with native Windows installation,
configuration, and reporting utilities. The new version will ship by the
end ofthe fiscal quarter to Quarterdeck distributors and retailers.

"We are constantly updating QEMM to meet the requirements of the  newest
platforms and applications," said Alexander Eckelberry, group product
manager for utilities.  "This new version has many enhancements including
new utilities  for Microsoft Windows, and significant under-the-hood
improvements to QEMMitself.  We have also increased our support for the
IBM Thinkpad and Toshibalines of portables, certain Compaq PCs and Stacker
disk compression software;as well as enhancements to QEMM's ability to
accommodate and configure a widervariety of unusual system architectures
to provide increased available memoryto these systems."

"QEMM has been completely re-engineered internally" added Michael Bolton,
QEMM  technical product manager. "We are now using a 32-bit flat memory
model that puts us in line with the present and future of PC operating
environments,  and that gives us improved performance.  The QuickBoot
feature and Stealth support  enhancements are also impressive
technological innovations from ourdevelopers."

The major enhancements found in QEMM 7.5 are:

Windows Installation

QEMM 7.5 can now be installed from DOS or Windows, detecting the user's
environment and presenting the approprate DOS or nativeWindows user
interface. This is an improvement over having separate programs for DOS or
Windows installation.

Windows Version of Qsetup

QSETUP is the utility that allows the user to  optionally customize QEMM
configurations quickly and easily, and provides a wealth of technical tips
for advanced users.  Formerly a DOS-only program,Qsetup automatically
presents the user with a DOS or native Windows interfacein the same way as
the installation program.

New Manifest 3.0

Manifest, Quarterdeck's award-winning system reporting and  diagnostic
utility, now comes in a version that presents a DOS or nativeWindows
interface in the same way as the setup and installation programs.  In both
environments, new reports on hardware IRQs and on PCMCIA assist users
inlearning about their system configuration.  Under Windows, Manifest will
also provide detailed reports on memory usage by Windows itself and by the
programsrunning under it.

Enhanced Support for Stacker

Through a cooperative effort between Quarterdeck  and Stac Electronics,
QEMM 7.5 now includes technology to save Stacker 4.0users an additional
8K, 16K or 32K of conventional memory, depending on disksize. This allows
the Stacker driver to reduce its memory footprint to lessthan 10K in
conventional memory, an innovation accomplished by providing ameans for a
Stacker driver to load its disk buffer into extended memory.  This
functionality is provided through a new Stacker driver, to be
madeavailable free of charge within the next 30 days by Stac Electronics
to registered Stacker 4.0 users.

"With Stacker 4.0, we significantly reduced our conventional memory
footprint, and our users responded very positively," said Anne Galdos,
senior product  manager for Stac Electronics.

"Now, thanks to this cooperative effort between  Stac and Quarterdeck,
Stacker 4.0 users will get even more conventional memorywhen using QEMM
7.5."

Enhanced Support for IBM Thinkpads

The design of some IBM Thinkpads prevented  previous versions of QEMM from
correctly configuring these systems.  QEMM 7.5can now properly detect and
optimize all current IBM Thinkpad models.

PCMCIA Support

QEMM 7.5 is now the only memory manager to detect and  accommodate
automatically the memory addresses used by PCMCIA cards.  This feature is
essential for users of most current laptops and notebooks.

QuickBoot

QuickBoot provides substantially faster system rebooting by  providing a
highly efficient routine for initializing the system hardware andBIOS. 
This is particularly valuable for programmers, power users and
thoseconfiguring systems.  It also makes the OPTIMIZE process faster.

Stealth Enhancements

Stealth is the patented QEMM feature that gives users  extra High RAM by
mapping system, video, and other ROMs out of the first megabyte of memory.
 Stealth and OPTIMIZE have been improved to accommodateunusual BIOS
designs.  This will provide users of these systems with even more High RAM
than was previously possible.

32-bit Flat Memory Model

QEMM's internals have been modified to use a 32-bit  flat memory model. 
This provides improved performance and establishes a clear path for future
innovations.

Documented 3rd-party API

A previously undocumented feature of QEMM is its  Application Programming
Interface (API), which allows third party software developers to design
their products with built-in support for QEMM.  This givesaccess to ROMs
that have been Stealthed away using Quarterdeck's patented Stealth
technology and allows developers to manage or even emulate hardware viaI/O
port trapping.

Built-in Fail-Safe Recovery

QEMM now records and saves your system  configuration at installation and
each time you run the OPTIMIZE program.  Atany time you can restore one of
these configurations using the new OPTIMIZE/RESTORE option.

The suggested list price of QEMM 7.5 is $99.95.  In the United States
upgrades  for QEMM 7.5 are available both directly from Quarterdeck and
from dealers. The upgrade price directly from Quarterdeck for QEMM 7.5 is
$29.95 plus $5.00shipping and handling.  The suggested list price of the
upgrade through dealers is $34.95.

Quarterdeck registered users who purchased the current version of QEMM
after July 20, 1994 may upgrade for $5.00 shipping and handling, with
proof of purchase.  All upgrades include new manuals.

In the United States, users may upgrade from Quarterdeck by calling
24-hours a  day.  Contact Quarterdeck's automated order processing system,
Quartermaster,at (800) 366-7145 (customer ID number is required), send a
fax to (800)354-3329 or call Quarterdeck's order department at (800)
354-4757.  Canadian users may contact Quarterdeck Canada Upgrades at (800)
268-5181, or via fax at(905) 528-9349.  Large volume MultiPaq and FlexiPaq
upgrades are available upon request.

Quarterdeck is a leader in software technology and specializes in enhancing
the  power and performance of personal computers.Their best known product,
QEMM,manages a PC system's memory resources to make sure that
applications,utilities, DOS and Windows programs can work together.  Other
Quarterdeck products provide multitasking of DOS applications running on
one computer; while still others support seamless distributed computing by
ensuring cooperation among multiple systems in cross-platform
applications.

Quarterdeck Office Systems, Inc. is located at 150 Pico Boulevard, Santa
Monica, CA  90405.  The company can be reached at (310) 392-9851.

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