Let Phar Lap show you...
Written on April 22nd , 2026 by Tech Ads
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The Quality Memory Solution
UD)
When your reputation’ S Phar Lap Software: Chosen 10 to 1 over
at stake... all other DOS extenders. Here’s why:
We know how much work you put ; Maturity au 5 yom i if Less than Brand
= ca wé | 1000 applications a year new
into building your product. Why USE Memory Model Sole Dangerous Dangerous
inferior tools that often create more Compatibility |NT 15, XMS, XMS, DPM XMS, VCPI
VCP, DPMI
problems than they solve? With a Library Support = Extensive list of Limited Limited
| D | | 32-bit libraries library support =—_—library support
Phar Lap DOS Extender, you know Documentation § = Exiensive and detailed Limited Less than 50 pages
youre getting industry-leading,
market-tested tools that have worked
reliably for thousands of developers.
Other DOS extenders simply can’t
measure up. Let Phar Lap show you
what a DOS extender should be.
| Shatter the 640K barrier and build
/multi-megabyte DOS applications.
vay \ No more suffering with overlays
or EMS. : gi
Other DOS extenders can let
common programming errors cause
system crashes.
Build pen oneacay DOS programs
with Phar Lap’s DOS-Extenders!
286 1DOS-Extender™ — it’s never been so easy! With our 286/DOS-Extender and your
Microsoft C, Borland C++ or Microsoft Fortran compiler, you've got all the tools you'll need to quickly and
easily build multi-megabyte protected-mode applications — often by simply relinking without making source
code changes. Now you can build protected mode applications that access up to 16 megabytes of memory on
any DOS-based 80286, 386, 386SX, or i486 PC — without changing development tools! 286|DOS-Extender is
also compatible with both Borland’s Turbo Debugger and Microsoft's linker and CodeView debugger.
3861 D0S-Extender™ — the ultimate in 32-bit power. 386/DOS-Extender turns DOS into a
true 32-bit operating system with a flat, 32-bit address space. Your program can access all the memory
available in the machine — up to 4 gigabytes! 386|DOS-Extender runs on any DOS-based 80386, 386SX, or
1486 PC, and has been used in over 800 applications, including AutoCAD 386 and IBM’s Interleaf Publisher. It
is backed by a full complement of 32-bit languages, including C, C++, Fortran, Pascal, Ada and Assembler.
With true 32-bit performance, you can finally build workstation-class applications for the PC. Phar Lap Software, Inc
60 Aberdeen Avenue
Trademark holders: 286IDOS-Extender™, 386ID0S Extender™ - Phar Lap Software, Inc; Interleaf Publisher™-litela, __ [a bridge, MA 021:
Inc.; Windows™ - Microsoit Corp.; DESQview™ - Quarterdeck Office Systems. Registered trademark holders: Phar Lap! AVTIE HVTE sa re ; —
- Phar Lap Software, Inc; AutoCAD®- Autodesk, Inc.; Borland", Turbo Debugger” - Borland International, Inc.; IBM" - Ci | oo WARD cebaciaseal
IBM Corporation; CodeView*, Microsoft®, MS-DOS® - Microsoft Corp. —=——< FAX 617-876-2972
Circle 81 on Inquiry Card.
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‘Let Phar Lap show you…’
Phar Lap’s DOS-Extender was a framework that allowed the development of MSDOS applications that breached the traditional 640KB DOS memory barrier. Phar Lap’s DOS-Extender saw deployment as part of a number of major applications.
Phar Lap’s 386 Dox Extender 4.1 SDK can be found at the Internet Archive. Details of some modern-day experiments with Phar Lap’s 286/DOS-Extender can be found at Virtually Fun.
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