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Last change
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FE/Qt: bugref:10705. Merging r6149 from doc team's repo.
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| 1 | <?xml version='1.0' encoding='UTF-8'?>
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| 2 | <!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
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| 3 | <topic xml:lang="en-us" id="customvesa">
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| 4 | <title>Custom VESA Resolutions</title>
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| 5 |
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| 6 | <body>
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| 7 | <p>Apart from the standard VESA resolutions, the <ph conkeyref="vbox-conkeyref-phrases/product-name"/> VESA BIOS
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| 8 | enables you to add up to 16 custom video modes which will be reported to the guest operating system. When using
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| 9 | Windows guests with the <ph conkeyref="vbox-conkeyref-phrases/product-name"/> Guest Additions, a custom graphics
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| 10 | driver will be used instead of the fallback VESA solution so this information does not apply. </p>
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| 11 | <p>Additional video modes can be configured for each VM using the extra data facility. The extra data key is called
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| 12 | <codeph>CustomVideoMode<varname>x</varname>
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| 13 | </codeph> with <varname>x</varname> being a number from 1 to 16. Please note that modes will be read from 1 until
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| 14 | either the following number is not defined or 16 is reached. The following example adds a video mode that
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| 15 | corresponds to the native display resolution of many notebook computers: </p>
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| 16 | <pre xml:space="preserve">$ VBoxManage setextradata <varname>VM-name</varname> "CustomVideoMode1" "1400x1050x16"</pre>
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| 17 | <p>The VESA mode IDs for custom video modes start at <codeph>0x160</codeph>. In order to use the above defined
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| 18 | custom video mode, the following command line has to be supplied to Linux: </p>
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| 19 | <pre xml:space="preserve">vga = 0x200 | 0x160
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| 20 | vga = 864</pre>
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| 21 | <p>For guest operating systems with <ph conkeyref="vbox-conkeyref-phrases/product-name"/> Guest Additions, a custom
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| 22 | video mode can be set using the video mode hint feature. </p>
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| 23 | </body>
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| 24 |
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| 25 | </topic>
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