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<h2 class="title"><a name="configtvout" id=
"configtvout"></a>Chapter 15. Configuring TV-Out</h2>
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<p>NVIDIA GPU-based graphics cards with a TV-Out connector can use
a television as another display device (the same way that it would
use a CRT or digital flat panel). The TV can be used by itself, or
in conjunction with another display device in a TwinView or
multiple X screen configuration. If a TV is the only display device
connected to your graphics card, it will be used as the primary
display when you boot your system (i.e. the console will come up on
the TV just as if it were a CRT).</p>
<p>The NVIDIA X driver populates the mode pool for the TV with all
the mode sizes that the driver supports with the given TV standard
and the TV encoder on the graphics card. These modes are given
names that correspond to their resolution; e.g., "800x600".</p>
<p>Because these TV modes only depend on the TV encoder and the TV
standard, TV modes do not go through normal mode validation. The X
configuration options HorizSync and VertRefresh are not used for TV
mode validation.</p>
<p>Additionally, the NVIDIA driver contains a hardcoded list of
mode sizes that it can drive for each combination of TV encoder and
TV standard. Therefore, custom modelines in your X configuration
file are ignored for TVs.</p>
<p>To use your TV with X, there are several relevant X
configuration options:</p>
<div class="itemizedlist">
<ul type="disc">
<li>
<p>The Modes in the screen section of your X configuration file;
you can use these to request any of the modes in the mode pool
which the X driver created for this combination of TV standard and
TV encoder. Examples include "640x480" and "800x600". If in doubt,
use "nvidia-auto-select".</p>
</li>
<li>
<p>The "TVStandard" option should be added to your screen section;
valid values are:</p>
<div class="informaltable">
<table summary="(no summary available)" border="0">
<colgroup>
<col>
<col></colgroup>
<thead>
<tr>
<th>TVStandard</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>"PAL-B"</td>
<td>used in Belgium, Denmark, Finland, Germany, Guinea, Hong Kong,
India, Indonesia, Italy, Malaysia, The Netherlands, Norway,
Portugal, Singapore, Spain, Sweden, and Switzerland</td>
</tr>
<tr>
<td>"PAL-D"</td>
<td>used in China and North Korea</td>
</tr>
<tr>
<td>"PAL-G"</td>
<td>used in Denmark, Finland, Germany, Italy, Malaysia, The
Netherlands, Norway, Portugal, Spain, Sweden, and Switzerland</td>
</tr>
<tr>
<td>"PAL-H"</td>
<td>used in Belgium</td>
</tr>
<tr>
<td>"PAL-I"</td>
<td>used in Hong Kong and The United Kingdom</td>
</tr>
<tr>
<td>"PAL-K1"</td>
<td>used in Guinea</td>
</tr>
<tr>
<td>"PAL-M"</td>
<td>used in Brazil</td>
</tr>
<tr>
<td>"PAL-N"</td>
<td>used in France, Paraguay, and Uruguay</td>
</tr>
<tr>
<td>"PAL-NC"</td>
<td>used in Argentina</td>
</tr>
<tr>
<td>"NTSC-J"</td>
<td>used in Japan</td>
</tr>
<tr>
<td>"NTSC-M"</td>
<td>used in Canada, Chile, Colombia, Costa Rica, Ecuador, Haiti,
Honduras, Mexico, Panama, Puerto Rico, South Korea, Taiwan, United
States of America, and Venezuela</td>
</tr>
<tr>
<td>"HD480i"</td>
<td>480 line interlaced</td>
</tr>
<tr>
<td>"HD480p"</td>
<td>480 line progressive</td>
</tr>
<tr>
<td>"HD720p"</td>
<td>720 line progressive</td>
</tr>
<tr>
<td>"HD1080i"</td>
<td>1080 line interlaced</td>
</tr>
<tr>
<td>"HD1080p"</td>
<td>1080 line progressive</td>
</tr>
<tr>
<td>"HD576i"</td>
<td>576 line interlace</td>
</tr>
<tr>
<td>"HD576p"</td>
<td>576 line progressive</td>
</tr>
</tbody>
</table>
</div>
<p>The line in your X config file should be something like:</p>
<pre class="screen">
Option "TVStandard" "NTSC-M"
</pre>
<p>If you do not specify a TVStandard, or you specify an invalid
value, the default "NTSC-M" will be used. Note: if your country is
not in the above list, select the country closest to your
location.</p>
</li>
<li>
<p>The "UseDisplayDevice" option can be used if there are multiple
display devices connected, and you want the connected TV to be used
instead of the connected CRTs and/or DFPs. E.g.,</p>
<pre class="screen">
Option "UseDisplayDevice" "TV"
</pre>
<p>Using the "UseDisplayDevice" option, rather than the
"ConnectedMonitor" option, is recommended.</p>
</li>
<li>
<p>The "TVOutFormat" option can be used to force the output format.
Without this option, the driver autodetects the output format.
Unfortunately, it does not always do this correctly. The output
format can be forced with the "TVOutFormat" option; valid values
are:</p>
<div class="informaltable">
<table summary="(no summary available)" border="0">
<colgroup>
<col>
<col></colgroup>
<thead>
<tr>
<th>TVOutFormat</th>
<th>Description</th>
<th>Supported TV standards</th>
</tr>
</thead>
<tbody>
<tr>
<td>"AUTOSELECT"</td>
<td>The driver autodetects the output format (default value).</td>
<td>PAL, NTSC, HD</td>
</tr>
<tr>
<td>"COMPOSITE"</td>
<td>Force Composite output format</td>
<td>PAL, NTSC</td>
</tr>
<tr>
<td>"SVIDEO"</td>
<td>Force S-Video output format</td>
<td>PAL, NTSC</td>
</tr>
<tr>
<td>"COMPONENT"</td>
<td>Force Component output format, also called YPbPr</td>
<td>HD</td>
</tr>
<tr>
<td>"SCART"</td>
<td>Force Scart output format, also called Peritel</td>
<td>PAL, NTSC</td>
</tr>
</tbody>
</table>
</div>
<p>The line in your X config file should be something like:</p>
<pre class="screen">
Option "TVOutFormat" "SVIDEO"
</pre>
<p></p>
</li>
</ul>
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