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W98 DOS Only Memory

Posted on 2001-06-07
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Last Modified: 2013-12-28
Can anyone tell me how to increase/modify the memory
available to programs when W98 is rebooted into the
DOS Only mode?

I have a DOS program which requires extended/expanded memory.
It will run in the W95 DOS Only mode, but so far not W98.
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Question by:3rsrichard
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9 Comments
 
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slink9 earned 600 total points
ID: 6163921
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by:3rsrichard
ID: 6165100
I am still looking at those sites.
I'll let you know if I'm satisfied tomorrow.
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LVL 23

Expert Comment

by:slink9
ID: 6165128
If you need more go to www.google.com and search for

dos memory management
0
 
LVL 6

Expert Comment

by:kahlean
ID: 6165965
i am not sure by placing the followingline in your config will do any good or not. But infact it will run everything in high memeory area. PLace the follwing code in config.sys


devicehigh=c:\windows\himem.sys/testmem:off
devicehigh=c:\windows\emm386.exe auto
devicehigh=c:\windows\setver.exe
dos=high,umb
fileshigh=30
buffershigh=30,0


you can create a batch file that will execute your dos program. In the batch file pace the following code

lh c:\program.exe

This will load your program in high memory area.

Note that this will only work in win98 as well as win95 but not win me

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LVL 3

Author Comment

by:3rsrichard
ID: 6168251
That isn't really the answer.
There was already more free memory space in the 98 version
than in the 95 version, so just moving some of it to high memory
isn't the key.

I can't recall now, but in 95 there's some way to tell it how to allocate
extended/expanded memory in the DOS Only mode.  The same
facility may not exist in 98, but MS doesn't do a decent job on either.
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LVL 23

Expert Comment

by:slink9
ID: 6168304
As kahlean stated, you can use the LOADHIGH command.  This is the only memory I have of moving things out of the lower 640k to make more space.  There were plenty of thord party memory managers that would tinker with things, but I don't believe there is anything else from MS.
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Author Comment

by:3rsrichard
ID: 6169061
Just in case anyone decides to invest the 20 points to read this I might
as well tell them how I solved the problem.

I made a W95 bootable floppy disk, on which I wrote a config.sys file which
used himem, doshigh, and emm386.  I had to include emm386.exe on the
floppy, as it is apparently not included with W98, and enable ems.

Then, I can boot the W98 machine from the W95 floppy, switch to c: drive
and use my old program.

It's not pretty but it works.
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LVL 5

Expert Comment

by:Wyn
ID: 6396076
3rsrichard, would you plz give me an email? I have something to tell you.

yinansuibi@163.net

Thank you!

Regards
Yinan
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