



                               STB Systems, Inc.

                             OS/2 2.0 Video Drivers
                                      for
       PowerGraph, ERGO, PowerView, and other Tseng ET4000-Based Cards

     Installation Procedures:

     0. Before you install, if you have not already done so, you will
        need to unZIP the contents of the ZIP file if you downloaded the
        driver from our BBS.  If you ordered the disk version you can
        skip this step.  We suggest using C:\TEMP for the temporary
        unZIP directory which can be deleted after installation.  Unless
        you have an OS/2 version of PKUNZIP, you will need to open a
        DOS-Compatible session to do this step.  If you have not already
        installed OS/2 2.0 as set up for standard VGA, then you must do
        that before doing anything in this READ.ME file, and boot your
        machine under OS/2 2.0.

     1. Make a directory on your OS/2 drive called STBOS2 and change to
        that directory.

        Example:
          C:
          MD \STBOS2
          CD \STBOS2

     2. Copy the drivers from the ZIP file or disk to that directory.

        Example 1: (for unZIPed version, if unzipped to C:\TEMP)
          COPY C:\TEMP\*.* \STBOS2

        Example 2: (for disk version)
          COPY A:\*.* C:\STBOS2

     3. Choose one of the following files to install:
          PGRAPH4.DLL =  640x480x16 colors
          PGRAPH6.DLL =  800x600x16 colors
          PGRAPH7.DLL = 1024x768x16 colors

     4. Copy the driver of your choice to a new file (so that there will
        then be two copies of different names) called DISPLAY.DLL.

        Example:
          COPY PGRAPH7.DLL DISPLAY.DLL










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     5. Using the OS/2 text editor of your choice (E.EXE is supplied
        with OS/2 2.0) modify the CONFIG.SYS file to add our new STBOS2
        directory to the LIBPATH statement.

        Example:
          E CONFIG.SYS

          Then in editor, full-screen, move arrows to the LIBPATH line,
          which should look similar to (may not be exact):
          LIBPATH=C:\OS2\DLL;C:\OS2\MDOS;C:\;C:\OS2\APPS\DLL;

          This should be modified to read something like:
          LIBPATH=C:\STBOS2;C:\OS2\DLL;C:\OS2\MDOS;C:\;C:\OS2\APPS\DLL;

          In other words, insert "C:\STBOS2;" at the first part of the
          LIBPATH statement.

          Once you've made the changes, don't forget to save the file.

     6. Shut down your OS/2 and reboot.  The new driver will now take
        effect.  To change resolutions, copy the driver of your choice
        over the DISPLAY.DLL in the STBOS2 directory.

     COMPATIBILITY NOTES:

     OS/2 2.0 does not currently work in HIGH-REFRESH modes.  This
     means that if your PowerGraph or ERGO card has a jumper for
     "72-Hz" or "ERGO" then you need to set that jumper for the
     "60-Hz" or "Standard" mode so that it will conform to standard
     VGA refresh rates.  Consult your manual and/or addendums for more
     information concerning this jumper.  At this time there is no way
     to take full advantage of your ERGO card and monitor under OS/2.
















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