Ok then, if we summarize things like this : <br><br>Don't work : <br><ul><li>Quadro FX 3450<font style="color: rgb(0, 0, 0); font-family: arial,helvetica,sans-serif;" size="2"><br></font><table style="font-family: arial,helvetica,sans-serif;" border="0" cellpadding="1px" cellspacing="0px" width="100%">
<tbody><tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/directx-compliance-article-386.html" title="What does this mean?">DirectX Compliance</a>:</font></td><td class="card-info-column2">
<font size="2">9.0c</font></td></tr>
<tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/opengl-compliance-article-389.html" title="What does this mean?">OpenGL Compliance</a>:</font></td><td class="card-info-column2"><font size="2">2.0</font></td>
</tr>
<tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/pixel-shader-version-article-390.html" title="What does this mean?">PS/VS Version</a>:</font></td><td class="card-info-column2"><font size="2">3.0/3.0</font></td>
</tr></tbody></table><br></li><li>ATI X1900 XT<font size="2"><br style="font-family: arial,helvetica,sans-serif;"></font><table style="font-family: arial,helvetica,sans-serif;" border="0" cellpadding="1px" cellspacing="0px" width="100%">
<tbody><tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/directx-compliance-article-386.html" title="What does this mean?">DirectX Compliance</a>:</font></td><td class="card-info-column2">
<font size="2">9.0c</font></td></tr>
<tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/opengl-compliance-article-389.html" title="What does this mean?">OpenGL Compliance</a>:</font></td><td class="card-info-column2"><font size="2">2.0</font></td>
</tr>
<tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/pixel-shader-version-article-390.html" title="What does this mean?">PS/VS Version</a>:</font></td><td class="card-info-column2"><font size="2">3.0/3.0</font></td>
</tr></tbody></table></li></ul>Work<br><ul><li>ATI Radeon HD 4850<font size="2"><br style="font-family: arial,helvetica,sans-serif;"></font><table style="font-family: arial,helvetica,sans-serif;" border="0" cellpadding="1px" cellspacing="0px" width="100%">
<tbody><tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/directx-compliance-article-386.html" title="What does this mean?">DirectX Compliance</a>:</font></td><td class="card-info-column2">
<font size="2">10.1</font></td></tr>
<tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/opengl-compliance-article-389.html" title="What does this mean?">OpenGL Compliance</a>:</font></td><td class="card-info-column2"><font size="2">2.1</font></td>
</tr>
<tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/pixel-shader-version-article-390.html" title="What does this mean?">PS/VS Version</a>:</font></td><td class="card-info-column2"><font size="2">4.1/4.1</font></td>
</tr></tbody></table><br></li><li>Quadro FX 1700<font size="2"><br style="font-family: arial,helvetica,sans-serif;"></font><table style="font-family: arial,helvetica,sans-serif;" border="0" cellpadding="1px" cellspacing="0px" width="100%">
<tbody><tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/directx-compliance-article-386.html" title="What does this mean?">DirectX Compliance</a>:</font></td><td class="card-info-column2">
<font size="2">10.0</font></td></tr>
<tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/opengl-compliance-article-389.html" title="What does this mean?">OpenGL Compliance</a>:</font></td><td class="card-info-column2"><font size="2">2.1</font></td>
</tr>
<tr><td class="card-info-column1"><font size="2"><a href="http://www.gpureview.com/pixel-shader-version-article-390.html" title="What does this mean?">PS/VS Version</a>:</font></td><td class="card-info-column2"><font size="2">4.0/4.0</font></td>
</tr></tbody></table></li></ul>Maybe we could say that (for nvidia, ATI & other manufacturers), that DirectX Compliance must be >= 10.0 and (maybe OR, but in doubt... we should say AND) OpenGL >= 2.0.<br>PS/VS Version seem to be used for calculate the DirectX Compliance. <br>