On Thu, Jun 16, 2011 at 09:43:12AM +0200, Lorenzo Lobba wrote:
> Data una linea del genere
> modeline "640x480@60" 25.2 640 656 752 800 480 490 492 525 -vsync -hsync
>
> cosa significa campo per campo?
>
Da man 5 xorg.conf:
ModeLine "name" mode-description
This entry is a more compact version of the Mode entry, and it also can be used to specify video modes
for the monitor. is a single line format for specifying video modes. In most cases this isn't neces‐
sary because the built-in set of VESA standard modes will be sufficient.
The mode-description is in four sections, the first three of which are mandatory. The first is the dot
(pixel) clock. This is a single number specifying the pixel clock rate for the mode in MHz. The second
section is a list of four numbers specifying the horizontal timings. These numbers are the hdisp,
hsyncstart, hsyncend, and htotal values. The third section is a list of four numbers specifying the
vertical timings. These numbers are the vdisp, vsyncstart, vsyncend, and vtotal values. The final sec‐
tion is a list of flags specifying other characteristics of the mode. Interlace indicates that the mode
is interlaced. DoubleScan indicates a mode where each scanline is doubled. +HSync and -HSync can be
used to select the polarity of the HSync signal. +VSync and -VSync can be used to select the polarity
of the VSync signal. Composite can be used to specify composite sync on hardware where this is sup‐
ported. Additionally, on some hardware, +CSync and -CSync may be used to select the composite sync
polarity. The HSkew and VScan options mentioned above in the Modes entry description can also be used
here.
--
Franco (nextime) Lanza
Busto Arsizio - Italy
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