Generalized Timing Formula

Generalized Timing Formula is a standard by VESA which defines exact parameters of the component video signal for analogue VGA display interface.

The video parameters defined by the standard include horizontal blanking (retrace) and vertical blanking intervals, horizontal frequency and vertical frequency (collectively, pixel clock rate or video signal bandwidth), and horizontal/vertical sync polarity.

These parameters are used by the XFree86 Modeline, for example.

This video timing standard is available from VESA for 350 USD.[1]

History

The standard was adopted in 1999, and was superseded by the Coordinated Video Timings specification in 2002.

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See also

Similar standards
Coordinated Video Timings
Extended display identification data, as it can interact with the video card with respect to providing information on permissible timings.
Standards organizations
VESA

References

  1. "formsite.com - VESA ORDER FORM". Archived from the original on 2011-07-11. Retrieved 2009-09-19.
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