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Lenovo 1723-8BX Installation And Maintenance Manual
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Appendix A. Supported resolution timing chartsThe following tables are the supported resolution timing charts. Although additional resolutions might work,these are the supported signals.Table 7. 640 x 480 timing chartType StandardTiming name 640 x 480 @ 60 Hz 640 x 480 @ 75 HzHorizontalfrequency andpolarity31.469 kHz Negative 37.5 kHz NegativeVerticalfrequency andpolarity59.94 Hz Negative 75 Hz NegativePixel clock 25.175 MHz 31.5 MHzScan type Noninterlaced NoninterlacedHorizontalPeriod 31.778 μs 800 pixels 26.667 μs 840 pixelsDisplay 25.422 μs 640 pixels 20.317 μs 640 pixelsBlanking 6.356 μs 160 pixels 6.349 μs 200 pixelsSync 3.813 μs 96 pixels 2.032 μs 64 pixelsBack porch 1.907 μs 48 pixels 3.810 μs 120 pixelsFront porch 0.636 μs 16 pixels 0.508 μs 16 pixelsVerticalTotal 16.683 ms 525 lines 13.333 ms 500 linesDisplay 15.253 ms 480 lines 12.800 ms 480 linesBlanking 1.430 ms 45 lines 0.533 ms 20 linesSync 0.064 ms 2 lines 0.080 ms 3 linesBack porch 1.049 ms 33 lines 0.427 ms 16 linesFront porch 0.318 ms 10 lines 0.027 ms 1 lineTable 8. 800 x 600 timing chartType StandardTiming name 800 x 600 @ 60 Hz 800 x 600 @ 75 HzHorizontalfrequency andpolarity37.879 kHz Positive 46.875 kHz PositiveVerticalfrequency andpolarity60.317 Hz Positive 75 Hz Positive© Copyright Lenovo 2015, 2019 51 |
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