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DBLDISK.TEC
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1993-06-18
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QEMM and DoubleDisk Gold 6.0
This QEMM 7 technote is available through our standard support
channels under the following filenames:
Quarterdeck Technical Support BBS: DBLDISK.TEC
CompuServe: DBLDSK.TEC
Q/FAX: #218
Subject: Running Optimize with DoubleDisk Gold version 6.0.
1. This troubleshooting guide is designed to help the individual
who has QEMM and DoubleDisk Gold version 6.0 installed on his or
her machine and has run (or wants to run) Optimize.
2. To avoid confusion, we will refer to COMPRESSED and
UNCOMPRESSED drives whenever possible. The COMPRESSED drive will
always be the one that DoubleDisk creates to hold most of your
programs and data. The UNCOMPRESSED drive will be the smaller
BOOT drive.
3. The information below is relevant if the following
assumptions are true:
A. You have DoubleDisk Gold v6.0 and are SWITCHING drive names.
B. You had a ONE partition drive before DoubleDisk was installed.
C. Your DoubleDisk (COMPRESSED) drive is C: (AFTER bootup)
D. Your BOOT (UNCOMPRESSED) drive is D: (AFTER bootup)
The best way to determine which drive is which is to type VOL and
<ENTER> at the DOS prompt. If DoubleDisk is switching drive
names and you had only one partition before installing the
program, most likely the C: drive is the actual COMPRESSED drive.
If you type VOL C: you should see the following:
Volume in drive C is DUBLDISK-C0
4. Before you can run Optimize with DoubleDisk you will have to
stop DoubleDisk from switching drive names. This means that you
need to make the UNCOMPRESSED drive the C: drive. Directions are
given later in the technote.
THE FOLLOWING INSTRUCTIONS WILL TAKE YOU STEP BY STEP THROUGH
OPTIMIZING WITH DOUBLEDISK GOLD ON YOUR SYSTEM. TO BE SUCCESSFUL,
YOU MUST FOLLOW THE INSTRUCTIONS ONE STEP AT A TIME.
BEFORE FOLLOWING THE TROUBLESHOOTING INSTRUCTIONS BELOW,
PLEASE FOLLOW THESE SIMPLE STEPS TO CREATE
A BOOTABLE FLOPPY DISKETTE
To create a bootable floppy, format a floppy disk with the DOS
system on it. (If you are not familiar with the process of
creating a boot disk, please refer to your DOS manual.) Next,
copy the following files to it: COMMAND.COM, QEMM386.SYS,
DUBLDISK.SYS, ACTIVATE.EXE, DRVOFF.EXE, CONFIG.SYS, AND
AUTOEXEC.BAT.
DUBLDISK.SYS, ACTIVATE.EXE, and DRVOFF.EXE can be found in the
\DUBLDISK directory.
This will allow you to boot up your DoubleDisk system if you ever
lose your CONFIG.SYS and AUTOEXEC.BAT files on the hard disk.
OPTIMIZE WITH QEMM AND DOUBLEDISK GOLD
If DoubleDisk is performing a switch of drive names, a bit of
preparation must first be completed before running QEMM's
Optimize program. Unless this preparation is done correctly,
Optimize will not complete successfully.
If you have NOT already attempted to run Optimize, you may skip
to Step # 5.
1. If you have already attempted to run Optimize, most likely
you no longer have access to your COMPRESSED DoubleDisk drive.
Even though your machine boots up to a C: prompt, if you look at
the contents of the drive it will appear that you only have a
small number of your files resident. Also, it will appear that
the total capacity of your hard drive is only about 2 megabytes.
THIS IS NOTHING TO BE CONCERNED ABOUT.
2. On the C: drive, simply type the following:
COPY C:\CONFIG.DBL CONFIG.SYS <ENTER>
COPY C:\AUTOEXEC.DBL AUTOEXEC.BAT <ENTER>
3. After completing the above, reboot your computer. At some
point during the boot process, you will see the following:
C:\> C:\DUBLDISK\ACTIVATE.EXE A C0=D , S C:=D
File: C:\DUBLDISK.000 Activated as disk D:
Drive letters C: and D: have been interchanged.
DoubleDisk has detected changes in the following files:
* CONFIG.SYS
* AUTOEXEC.BAT
Would you like to update the file(s)? (Y)es/(N)o
MAKE SURE THAT YOU SELECT "N" FOR NO.
4. Once you get back to the C: prompt, the first thing you will
want to do is make sure that the CONFIG.SYS and AUTOEXEC.BAT
files are the same on both the COMPRESSED and UNCOMPRESSED
drives. The C: drive at this point should be your COMPRESSED
drive. To determine this, just type: VOL <ENTER> at the C:
prompt. You should see the following: "Volume in drive C: is
DUBLDISK-C0" or something close to it.
Look at the CONFIG.SYS and AUTOEXEC.BAT files on the D: drive.
These should be the GOOD ones. The two files should look like
they did before you ran Optimize. In contrast, if you looked at
the AUTOEXEC.BAT file on the C: drive, it should have only a
single line in it that reads: "@C:\QEMM\OPT2.BAT." If this is
the case, just copy the CONFIG.SYS and AUTOEXEC.BAT files from D:
to C: by typing:
COPY D:\CONFIG.SYS C:\CONFIG.SYS <ENTER>
COPY D:\AUTOEXEC.BAT C:\AUTOEXEC.BAT <ENTER>
Reboot your computer. You should now be back to a normal system.
IF YOU HAVE NOT YET RUN OPTIMIZE, PLEASE FOLLOW THE DIRECTIONS
BELOW.
5. The next thing you need to do is make sure that QEMM is
installed on both the UNCOMPRESSED and COMPRESSED drives. If you
had installed DoubleDisk AFTER installing QEMM, DoubleDisk will
create a QEMM directory on both drives and copy some files over.
If you installed DoubleDisk BEFORE installing QEMM you will need
to create a QEMM directory on the D: drive after installing on
C:. After creating the directory on D:, simply copy the QEMM
files from C:\QEMM to D:\QEMM. If you do not have room to copy
over every QEMM file from C:, below is a list of the most
important files.
QEMM386.SYS
TESTBIOS.COM
OPTIMIZE.COM
RSTRCFG.SYS
LOADHI.COM
LOADHI.SYS
MCA.ADL [if a Micro Channel machine]
WINHIRAM.VXD
WINSTLTH.VXD
MFT.EXE
QDPMI.SYS [if loaded in CONFIG.SYS]
DOSDATA.SYS [if using DOS-UP]
DOS-UP.SYS [if using DOS-UP]
QSETUP.EXE [if you have room for it]
6. In order to run Optimize with DoubleDisk, you must disable
DoubleDisk's drive SWITCHING which is done from the AUTOEXEC.BAT
file. When DoubleDisk is installed on your system it puts the
following line as the FIRST line in your AUTOEXEC.BAT file:
C:\DUBLDISK\ACTIVATE.EXE A C0=D ,S C:=D
The parameter that performs the drive SWITCHING function is at
the end of the line: ",S C:=D."
7. To set up your system so that you may run Optimize, you will
only need to edit your AUTOEXEC.BAT file, not your CONFIG.SYS
file. Below is a sample AUTOEXEC.BAT file with DoubleDisk
installed.
C:\DUBLDISK\ACTIVATE.EXE A C0=D , S C:=D
D:\DUBLDISK\DRVOFF.EXE
PROMPT=$P$G
PATH=D:\DUBLDISK;C:\DOS;C:\QEMM
** IMPORTANT **
It is important that you follow the instructions below,
to the letter, in order to insure success.
8. Remove the ", S C:=D" parameter from the first line so that
it now reads:
C:\DUBLDISK\ACTIVATE.EXE A C0=D
9. Reverse ALL drive designations from the first line down. Do
NOT reverse drive designations in the FIRST line. The
AUTOEXEC.BAT file should now look like this:
C:\DUBLDISK\ACTIVATE.EXE A C0=D
C:\DUBLDISK\DRVOFF.EXE
PROMPT=$P$G
PATH=C:\DUBLDISK;D:\DOS;D:\QEMM
Notice the difference between the two samples above. We have
changed ALL C: entries to D: and vice versa.
10. Now, copy the AUTOEXEC.BAT file to D: and then reboot the
machine. Once the reboot is complete, you should no longer be
switching drives. This means that your C: drive is your
UNCOMPRESSED drive and this is the drive from which QEMM boots.
Just to make sure, type VOL D: <ENTER>. This should reveal the
D: drive as DUBLDISK-C0. If this is not the case, check your
AUTOEXEC.BAT file and make sure you have removed the SWITCHING
parameter above.
11. Run Optimize. Once Optimize is complete, edit the
AUTOEXEC.BAT file and reverse your earlier procedures. That is,
put back the SWITCHING parameter ", S C:=D" and reverse the drive
designations below the FIRST line. If you decide that you no
longer want to SWITCH drive names upon bootup, you do not have to
do anything. Just keep in mind that most of your programs will
be on the D: drive.
12. You are done! You have successfully run OPTIMIZE with
DoubleDisk.
******************************************************************
All product names are trademarks of their respective owners.
This technical note may be copied and distributed freely as long
as it is distributed in its entirety and it is not distributed
for profit. Copyright (C) 1993 by Quarterdeck Office Systems
******************* E N D O F F I L E *************************