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      STACKER NOTE                                         STACKER NOTE
                   WINDOWS 95 SETUP ON A STACKER 4.0 DRIVE
      (Applies to Stacker 4.0 for Windows & DOS with Windows 95 Preview
                                  Program)
      STAC FAX  5001 (04-12-1995)
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      WINDOWS 95 & STACKER 4.0
      
      Stacker 4.0 for Windows & DOS runs on Microsoft Windows versions 
      3.0 and 3.1 and most versions of DOS (see system requirements in
      documentation).  Microsoft is developing a new operating system
      called Windows 95 and is offering a beta version of that operating
      system called Windows Preview Program to the general public.  
      Because Windows Preview Program is a beta operating system and 
      subject to change, Stac Electronics makes no warranties or claims 
      as to the compatibility of Stacker 4.0 for Windows & DOS, or 
      earlier versions of Stacker, with Windows Preview Program. The 
      procedures in this document are provided for your information only.
      And, as always, when making any system changes, remember to make a 
      backup of your data.
      
      BACKGROUND
      
      Some users have reported the successful setup of Windows 95 on a
      Stacker 4.0 for Windows & DOS drive. Compression results vary,
      and system speed may be affected. Before attempting this
      installation ensure that you have backed up the data on your
      drive.
      
      SOLUTION
      
          - Ensure there is sufficient space on the uncompressed drive.
          - Run the Windows 95 Setup.
          - Copy CHKDSK.EXE to the uncompressed drive.
           
      Ensure there is sufficient space on the uncompressed drive
      
       1.  Go to a DOS prompt and type STACKER <enter>. Locate the line
           that reports drive C. It will look something like this:
           Drive C was drive C at boot time [ D:\STACVOL.DSK = 123.4MB]
           Note the drive letter in brackets, in this case D. This is
           the uncompressed, physical drive.
       2.  Change to the drive you noted above. Run the DIR command to
           see how many bytes are free on the drive.
       3.  Windows 95 requires at least 900K free on the uncompressed
           drive. If there is sufficient space, go to the next section.
           If not, make more uncompressed space. See step 4.
       4.  From the DOS prompt, type STAC <enter>. This opens the
           Stacker Toolbox.
       5.  Choose "Change Stacker Drive Size". Follow the on-screen
           messages. When asked, choose "More Uncompressed Space
           Available".
       6.  When asked how much space to make uncompressed, add 1
           megabyte (1000K) to the smallest size presented. Enter this
           number in the field. Accept the changes when asked.
           
      Run the Windows 95 Setup
      
      Follow the Setup instructions for Windows 95. After the setup is
      complete you may receive an error message from Stacker's
      AutoSave. Ignore the message. Remove AutoSave from the Startup
      menu to prevent the message from being displayed again.
      
      Note: During the setup process, Windows 95 will ask you if you
      wish to make a startup disk. It is recommended that you make the
      disk. But the disk is not Stacker-aware, i.e. it will not mount
      your Stacker drives if you start your system with it.
      
      Copy CHKDSK.EXE to the uncompressed drive
      
      Windows 95 deletes this repair file from the uncompressed drive.
      Restore it to the drive in case you have to make repairs to the
      uncompressed drive. Simply copy it to the DOS directory on the
      drive you determined in the first section. If the directory does
      not exist, create it. Use Windows' Explorer, File Manager, or
      open a DOS prompt. CHKDSK is in the WINDOWS\COMMAND subdirectory.
      Note that directories are called "folders" in Windows 95.
       
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      Copyright 1995 Stac Electronics