To change the timing formula for your display
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From the NVIDIA Control Panel navigation tree pane, under Display, click Change resolution.
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Click the image that represents the display you want to affect.
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Click Customise, then from the Customise dialogue box, click Create Custom Resolutions.
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Click the Timing Standard list arrow and then select one of the options, as described below.
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Auto automatically determines the best standard.
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GTF (General Timing Formula) is an older but widely used timing standard. However, newer displays are switching to the CVT standard.
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DMT (Discrete Monitor Timings) is a set of pre-defined VESA timings. VESA updates this standard every year. If DMT timing is available for a specific mode, the NVIDIA display driver normally selects it instead of General Timing Formula (GTF).
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CVT (Coordinated Video Timings) became the VESA standard on March 2003. CVT supports higher resolutions better than other timing standards.
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CVT reduced blank ( Coordinated Video Timings-Reduced Blanking) improves on the CVT standard. CVT-RB offers reduced horizontal and vertical blanking periods and allows a lower pixel clock rate and higher frame rates.
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EDID Timing is the preferred timing standard defined by the display’s EDID value. EDID is a standard data structure that defines the display’s model number, timing, and other settings. Note: Manufacturer-defined EDIDs are available only on Plug-and-Play (PnP)-compatible displays.
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Manual allows you to individually set the timing parameters.
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Click Test, then if the test passes and you want to save the new mode, click Save.
Related Topics
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Create Custom Resolutions Dialogue Box