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DOS5EMM.TXT
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1992-05-17
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6KB
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Here are copies of my CONFIG.SYS, AUTOEXEC.BAT, MI printout, and MEM /C
printout. Using this configuration, I got 624.8K (That's 639,808 bytes folks)
of usable memory under 640K. This is using the MS DOS 5.0/HIMEM.SYS/EMM386.EXE
combination. I have received a new HIMEM.SYS and EMM386.EXE from a person that
sent me feedback on the orginal memhints file, therefore you may receive
different memory results than I. I am using a Gateway 2000 386/33C with 4megs
of RAM, a 120MB IDE hard drive, and a Diamond SpeedSTAR Plus video card. One
thing to do to get more memory is to keep the environment small. Anything that
is shown when you type SET at the prompt is in the environemt. Place the
envrionment after you load TSRs, because a copy of it is often loaded with each
TSR. Make directory names that are put in the path short(the longer the path,
the more memory that is used). Keep your SET= statements to a minimum. Also
keep them simple. Set LASTDRIVE to the lowest drive letter needed. I you have
one HD partition, and don't plan on using a ramdrive place LASTDRIVE=C into you
CONFIG.SYS. Other things to do in the CONFIG.SYS is to place FCBS=1 and
STACKS=0,0 on separate lines. Keep the number of files in the CONFIG.SYS down
to the smallest that you need. There is also a PC Magazine utility called
UMBFILES.COM that will place your files into the UMB. If you use this utility,
the minimum files in the CONFIG.SYS must be 8, as this is the minimum allowable
by MS-DOS, and the rest will be loaded high. Norton Utilities 6.0's NDOS.COM
will leave only 256 bytes in low memory if you set it up the way I have done.
4DOS will also do the same thing, although with different switches, etc.
********************************************************************************
CONFIG.SYS
DEVICE=C:\DOS\HIMEM.SYS
DEVICE=C:\DOS\EMM386.EXE NOEMS H=2
SHELL=C:\NDOS.COM /U /E:256U
DOS=HIGH,UMB
STACKS=0,0
FCBS=1
FILES=8
BUFFERS=15
LASTDRIVE=C
********************************************************************************
AUTOEXEC.BAT
@ECHO OFF
C:\STAR\UTIL\VMODE MONITOR
C:\UTILS\MHZ
LH C:\PCTOOLS\PC-CACHE/SIZEXT=768/WRITE=ON/V1/QUIET
LH C:\MOUSE\MOUSE.COM/U
C:\UTILS\UMBFILES=42
C:\NDW\EP /ON
C:\NDW\IMAGE
SETDOS /U1
SET COMSPEC=C:\NDOS.COM
PROMPT $P)
PATH=C:\;C:\UTILS;C:\WINDOWS;C:\DOS;C:\PCTOOLS;C:\PKZIP;C:\VPIC;C:\ARJ;C:\NU;C:\
NDW;C:\QEMM SET TEMP=C:\TMP
WIN
CD\
********************************************************************************
MI.COM (or MI/A)
Memory Info V7.1 (c)1991 Central Point Software, Inc.
Total bytes owned
Addr. Low area High area Program or device driver
----- -------- --------- --------------------------
0255h 1,072 .. Device=HIMEM Attr=A000h Name=XMSXXXX0
0299h 3,216 .. Device=EMM386 Attr=C000h Name=$MMXXXX0
03AEh 256 3,376 NDOS
03CBh 639,808 .. <largest free area>
---- Begin High (Upper) Memory ----
C9C1h .. 18,160 PC-CACHE C:\PCTOOLS\PC-CACHE.COM/SIZEXT=768/WRITE=
CE30h .. 3,840 MOUSE
CF21h .. 2,496 UMBFILES
CFBEh .. 8,288 EP
655,360 bytes (640k) total DOS 5.00 conventional memory.
639,808 bytes (625k) largest executable program. 58,288 bytes if loaded high.
0 bytes Extended (AT/286/386) memory, reported by BIOS.
1,958k bytes free, reported by XMS driver version 3.0 (3.3). HMA in use.
********************************************************************************
MEM/C |MORE
Conventional Memory :
Name Size in Decimal Size in Hex
------------- --------------------- -------------
MSDOS 10656 ( 10.4K) 29A0
HIMEM 1072 ( 1.0K) 430
EMM386 3216 ( 3.1K) C90
NDOS 256 ( 0.3K) 100
FREE 640000 (625.0K) 9C400
Total FREE : 640000 (625.0K)
Upper Memory :
Name Size in Decimal Size in Hex
------------- --------------------- -------------
SYSTEM 167456 (163.5K) 28E20
NDOS 3376 ( 3.3K) D30
PC-CACHE 18160 ( 17.7K) 46F0
MOUSE 3840 ( 3.8K) F00
UMBFILES 2496 ( 2.4K) 9C0
EP 8288 ( 8.1K) 2060
FREE 80 ( 0.1K) 50
FREE 58288 ( 56.9K) E3B0
Total FREE : 58368 ( 57.0K)
Total bytes available to programs (Conventional+Upper) : 698368 (682.0K)
Largest executable program size : 639808 (624.8K)
Largest available upper memory block : 58288 ( 56.9K)
3145728 bytes total contiguous extended memory
0 bytes available contiguous extended memory
2004992 bytes available XMS memory
MS-DOS resident in High Memory Area
*******************************************************************************
If you have any questions, comments, or helpful memory hints, please write me.
Sean Martin
6044 Camino Alegre
El Paso, TX 79912
If you would like a reply, please send a self addressed stamped envelope. This
would greatly help as I am just a poor college student. Thanks to the few
people that have written with tips, files, and questions.
Texas A&M University
Fightin' Texas Aggie Class of 1995! WHOOP!