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1991-12-16
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2KB
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70 lines
In recent articles and letters in various computer magazines, I have found
various suggestions about how to increase RAM. None of the suggestions,
however, would give the user as much memory as I currently have and use under
DESQview. The Memory Status utility provided with DESQview indicates that I
have the following:
Total Total Largest
Memory Available Available
Common Memory 14336 10266 7592
Conventional Memory 677K 669K 668K
Expanded Memory 4080K 2800K 656K
Note that the figure in the lower right-hand corner indicates that there is a
total of 656K of memory to use in !any! window under DESQview, more than
enough to run any DOS program.
There is no magic trick to getting this memory. In fact, if I spent a lot of
time tinkering with the programs I use, I might well be able to increase RAM
even more. I use the following programs QEMM and 4DOS from J.P. Software as a
replacement for COMMAND.COM and the following lines in my AUTOEXEC.BAT and
CONFIG.SYS files.
CONFIG.SYS
DEVICE=C:\QEMM\QEMM386.SYS RAM /ST:M /maps=9 /i=0C00-0FFF /extmem=1024
rem Extended Memory will be used for PC-Cache DOS=HIGH,UMB
BUFFERS=1
FILES=13
FCBS=1,0
STACKS=26,128
rem STACKS command according to PCTOOLS
LASTDRIVE=E
DEVICE=C:\QEMM\LOADHI.SYS /R:2 C:\DOS\DRIVER.SYS /D:0/F:0/T:40
rem Allows D: to be used to access Drive A: as a 360K drive
DEVICE=C:\QEMM\LOADHI.SYS /R:2 C:\DOS\DRIVER.SYS /D:1/F:2/T:80
rem Allows E: to be used to access Drive B: as a 720K drive
DEVICE=c:\qemm\loadhi.sys /sqf c:\tools\pctools\vdefend.sys
rem VDEFEND.SYS is an anti-viral program included with PC-TOOLS 7.1
SHELL=C:\4dos\4dos.com c:\4dos /P
AUTOEXEC.BAT
set temp=c:\dos
c:\qemm\loadhi c:\4dos\kstack.com
rem KYSTACK.COM is a utility provided with 4DOS
c:\qemm\loadhi /r:2 \tools\pctools\pc-cache /sizext=1024
c:\qemm\loadhi /r:2 c:\qemm\BUFFERS=4
c:\qemm\loadhi /r:1 lastdrive=z
c:\qemm\loadhi /r:1 fcbs=16,8
c:\qemm\loadhi /r:2 files +17
Additional Info:
My system is a 20Mhz 386 from Northgate, running MS-DOS 5.0.
You can get QEMM from a variety of software suppliers.
4DOS is a wonderful shareware program; it can be found on various BBS's,
including Channel 1, where the latest version can be found among the free
files that that BBS offers (617) 354-8873.