Quarterdeck Expanded Memory Manager
(ver 9.0)
Abandonware


Quarterdeck Office Systems QEMM is a memory management suite for DOS.  
It is an improved replacement for BOTH Microsoft "Himem" and "EMM386".  
QEMM gives DOS Expanded Memory services, eXtended Memory Services, High 
Memory Area services, and Dos Protected Mode Interface services.  It 
also provides tools for relocating TSRs and portions of the DOS Kernel 
into Upper Memory Blocks.  

Most games require a memory manager to provide a "page frame" 
(Expanded Memory Management) and to maximize free Base memory.  It is 
highly recommended that DOS -always- be run in conjunction with QEMM!  

file = qemm.zip


I have also scanned a QEMM version 7 user manual, which describes the 
"switches" you can apply to QEMM (all switches are backwards compatible 
with QEMM version 9).  

file = Manual.pdf


CAUTION: Some antique computers with proprietary "tweaks" can fool the 
automatic optimization feature in QEMM. This is why it is recommended 
that the memory (in conjunction with a memory viewer such as MANIFEST) 
always be configured manually, -regardless- of the memory manager used.

Also, to maximize computer stability (older software would sometimes use 
improper memory access techniques for slight "performance" gains), limit 
using some of the advanced features in QEMM, as they require software to 
be properly following the rules.


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As a bonus are examples of an Autoexec.bat, Config.sys, and Dos-up.dat 
file that uses QEMM (note that the examples may actually work as-is for 
many computers, if your place your files in the exact same paths).  

file = EXAMPLES.zip