==============================
miro driver for OS/2    V 1.01                             19.12.1994
==============================

THIS VIDEO ACCELERATOR DRIVER IS COMPATIBLE WITH OS/2 2.1, 2.11 AND WARP V3.
DO NOT INSTALL IT ON OTHER VERSIONS OF OS/2.



Table of contents:
------------------
1. Supported cards and resolutions
2. Installation notes
3. Installing the miro drivers for OS/2
4. Windows under OS/2
5. Re-installing VGA



1. Supported cards and resolutions
----------------------------------

This driver supports the following miro graphics boards:

- miroCRYSTAL 20SV
- miroCRYSTAL 40SV
- miroMAGIC 20SV ergo
- miroMAGIC 40SV ergo
- miroMAGIC 20SV twin (in single screen mode)
- miroMAGIC 40SV twin (in single screen mode)


The following resolutions and color depths are supported with the 
listed miro graphics boards:

                                               20SV twin   40SV twin
      Resolution         20SV        40SV      20SV ergo   40SV ergo
  -----------------    ---------   ---------   ---------   ---------
   640 x  480 x 256        x           x           x           x
   800 x  600 x 256        x           x           x           x
  1024 x  768 x 256        x           x           x           x
  1152 x  864 x 256        x           x           x           x
  1280 x 1024 x 256        x           x           x           x
  1600 x 1200 x 256        -           -           x           x
  1600 x 1280 x 256        -           -           x           x
   640 x  480 x 64K        x           x           x           x
   800 x  600 x 64K        x           x           x           x
  1024 x  768 x 64K        x           x           x           x
  1152 x  864 x 64K        x           x           x           x
  1280 x 1024 x 64K        -           x           -           x
  1600 x 1200 x 64K        -           -           -           x
  1600 x 1280 x 64K        -           -           -           x
  
  The following resolutions do not support a color cursor:

  1600 x 1200 x 256
  1600 x 1280 x 256
  1152 x  864 x 64K
  1600 x 1200 x 64K
  1600 x 1280 x 64K

  The following resolutions do not support Seamless Windows.

  1152 x  864 x 256
  1600 x 1200 x 256
  1600 x 1280 x 256
  1152 x  864 x 64K
  1600 x 1200 x 64K
  1600 x 1280 x 64K


  
2. Installation notes
---------------------
  
- IMPORTANT: To install the miro drivers for OS/2 correctly, 
             OS/2 has to be installed for VGA.

  If you have modified your OS/2 video since installation, you must return 
  it to VGA before you install this driver.
  For details read chapter 5 (Re-installing VGA) in this file.

- You must have OS/2 DOS and REXX Support installed in order to install 
  this driver. 
  
- The OS/2 commands ATTRIB and UNPACK are used during installation. If you
  selected not to install the OS/2 System Utilities or you have deleted one 
  of the commands, you must use "Selective Install" to restore these two
  commands before continuing.
  
- The "mirośplus; High speed drivers for OS/2" Install disk
  must be labeled "S3 DRVS".
  
- Before starting the installation, make a backup copy of the installation 
  disk included in the delivery scope. 
  Keep the original disk in a safe place and only use the copy.



3. Installing the miro drivers for OS/2
---------------------------------------

The installation of the miro drivers for OS/2 is done from the floppy disk. 
During the installation the drivers are copied to the hard disk.

To install the miro drivers, proceed as follows:

- Start your computer and boot OS/2.

- On the OS/2 desktop open the "System" folder.

- In the "System" window open the "Command Prompts" folder.

- Start the "OS/2 Fullscreen" object or the "OS/2 Window" object.

- Insert the "mirośplus; High speed drivers for OS/2; Install disk # 1/1"
  in the disk drive and enter:

  A:MIROINST A: C: <ENTER>

  where A: corresponds to the disk drive, 
        C: corresponds to the hard disk on which OS/2 is installed.

- The programm "miro Video Controls" is started automatically. 
  Select the installed miro graphics board and monitor and click "OK".

- Close the "OS/2 Fullscreen" or "OS/2 Window" object.

- The system has to be restarted. Therefore, choose "Shut down"
  from the popup-menu on the OS/2 desktop.

- Remove the disk from the disk drive.

- Press <Ctrl>+<Alt>+<Del> to restart the system.

- Insert the "mirośplus; High speed drivers for OS/2; Install disk # 1/1"
  again into the disk drive after OS/2 has booted.

- If you have closed the "System" folder, open it on the OS/2 desktop.

- In the "System" window open the "System Setup" folder.

- Select the "Display Driver Install" object.

- In the "Display Driver Install" window, mark the box for "Primary Display"
  and click "OK".

- In the "Primary Display Adapter Type" window, mark the 
  "32-bit miro Display Drivers" entry in the list and click "OK".

- In the "Monitor Configuration/Selection Utility" window accept the 
  "Install Using Defaults for Monitor Type" option with "OK".

  ATTENTION: The monitor will blank for some seconds,
             the computer is still processing.

- If necessary, change the disk drive in the "Source Directory" window and 
  click "Install". The miro drivers are copied to the disk drive.

- Quit the following window with "OK".

- In the "System Setup" window select the object "System".

- In the "System-Settings" window choose the desired resolution and number 
  of colors.

- Close the window and perform a Shut down.
  The settings take effect after your computer has been restarted.



4. Windows under OS/2
---------------------

There is the possibility to install the miro Windows drivers under OS/2. 
The supplied "miroświn; High-speed drivers for Windows" Install disks are 
required. 

To install the Windows drivers for OS/2 correctly, the VGA driver has to be 
installed for Windows.

- In the DOS Fullscreen box start the batch file WININST.BAT, which has been 
  copied to your hard disk during the installation of the OS/2 drivers: 

  C:\OS2\MDOS\WININST A: C: <ENTER> 

  where A: corresponds to the disk drive and 
        C: to the hard disk on which OS/2 is installed.

- Insert the "miroświn; High-speed drivers for Windows" Install disk # 1/2 
  and if requested # 2/2. After the files have been copied to the hard disk,  
  Windows and the miro installation program are started automatically.
  For a detailed information on the installation program refer to the 
  miroświn Software Manual.

- If you have only a single "miroświn; High-speed drivers for Windows"-
  Install disk #1/1 (e.g. for miroCRYSTAL 12/22SD), press <ENTER> if the 
  second disk is requested.

- After the installation of the miro Windows drivers has been completed,
  quit Windows and close the DOS Fullscreen box. 

- Start Windows with the appropriate Icon in the "Command Prompts" folder.

- ATTENTION: When using  windows drivers with the internal version
             1.4.118, it is not possible to open a DOS fullscreen,
             when a Win-OS/2 fullscreen is active!

5. Re-installing VGA
--------------------

If you are running OS/2 2.1 or 2.11:

- Start your computer and boot OS/2.

- On the OS/2 desktop open the "System" folder.

- In the "System" window open the "System Setup" folder.

- Select the "Display Driver Install" object.

- In the "Display Driver Install" window, mark the box for "Primary Display"
  and click "OK".

- In the "Primary Display Adapter Type" window, mark the 
  "VGA (Video Graphics Array)" entry in the list and click "OK".

- If necessary, change the disk drive in the "Source Directory" window and 
  click "Install". The VGA drivers are copied to the disk drive.

- Quit the following window with "OK".

- Perform a Shut down.

- OS/2 will now boot using VGA graphics.


If you are running OS/2 Warp V3:

- If necessary, perform a system shutdown.

- Boot your computer.

- While booting, a white rectangle appears in the upper left corner of the 
  screen with the text OS/2 to the right.

- Press Alt-F1 while this rectangle is displayed.

- In the following menu, select the option V to re-configure the system to 
  VGA graphics.

- OS/2 will now boot using VGA graphics.

