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Viper 330 		                                     README.ENG
Windows NT      				Version 4.00.1381.0301g
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This README file contains the following important information:

      1.  General Notes
      2.  Installation
      3.  Choosing a Monitor
      4.  Known Issues
      5.  Features Added
      6.  Problems Addressed


1. General Notes
----------------
  It is IMPORTANT that you read this README file and all the
  supplied documentation BEFORE you continue the installation!
  Otherwise the company cannot accept any responsibility for claims
  that result as a consequence.


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2. Installation Instructions
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1.  Download these drivers and note the path to which they reside in your system.
2.  Open the Windows NT Control Panel or right-click on your desktop and choose
    Properties.
3.  Click on the Settings tab.
4.  Click the Display Type... button. 
5.  Click the Change... button
6.  Click the Have Disk... button.
7.  In the space labeled Copy manufacturers files from, type "X:\..." (where X:\...
    is the path to which you downloaded these drivers).  
8.  Next click OK when you see the driver entry: 
    "Diamond Multimedia Systems, Inc. Stealth II Series"
9.  A "Third-party Drivers" dialog box will appear, select Yes to proceed, then
    click OK. 
10.  Now click Close, then click Close again. 
11.  "System Settings Change" dialog box will appear, select Yes to restart the
     computer.
12.  Once Windows NT 4.0 restarts, you will have successfully installed the
     software for your Diamond Stealth II S220 board.


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3.  Choosing a Monitor
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  Please be aware that you can only take full advantage of the features
  provided by the Viper 330 Multi-Monitor driver if the other components
  of your system, especially the graphic monitor that is being used, also
  comply with the specifications of the Viper 330. 
  (Example : The resolution 1280x1024 that is supported by the Viper 330
  can obviously not be used with a monitor that is
  specified to only support resolutions up to 1024x768).
  
  To set the display resolution and refresh rate for Windows NT 4, use
  Display Properties Settings.
	      
			*** IMPORTANT ***

  Only use settings that your monitor supports. If you use the monitor
  outside the specified ratings then it may suffer permanent damage!
  If you change the monitor then you must compare the ratings first
  and should reconfigure accordingly!


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4. Known Issues
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   a. Using Desktop Manager may corrupt system during reconfiguration.

   b. Playing video may hang the system.

   c. MCD does not clear screen properly. 
  
   d. In order to uninstall, goto "My Computer" and delete the subdirectiries
      from the drive where you have it installed.

   e. Diamond supports up to 4 PCI boards/monitors.

   f.  OpenGL Conformance Test: this test may show "Buffer Variance Tests" fail 
      (e.g., CONFORM16.LOG in WHQL full regression). This kind of errror can 
      show up where there are fairly steep changes in color or texture coordinates.
      Visually it can't be detected, but can be tested for.

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5. Features Added
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OpenGL ICD


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6. Problems Addressed
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Random lockups with following message:  "KMODE_EXCEPTION_NOT_HANDLED*** 
address fb6787c92 has base at f6682000-dimd_nv3.dll"   







All product names listed are trademarks or copyrights of their
respective owners.

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Diamond Multimedia Systems, Inc.       (c) 1993-98, All Rights Reserved
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