Timing Chart
Y / N | Signal | Resolution | Refresh Rate | Frequency H. | Dot Clock | |||
( Dots ) | ( Hz ) | ( kHz ) | ( MHz ) | |||||
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Y | NTSC | 640 | 480 | 60 |
| 15.734 | - | |
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Y | PAL | 768 | 576 | 50 |
| 15.625 | - | |
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Y | SECAM | 768 | 576 | 50 |
| 15.625 | - | |
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Y | VESA | 640 | 480 | 59.94 | 31.47 | 25.175 | ||
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Y | IBM | 640 | 480 | 60 |
| 31.47 | 25.175 | |
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Y | MAC | 640 | 480 | 60 |
| 31.47 | 25.175 | |
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Y | MAC | 640 | 480 | 66.67 | 34.97 | 31.334 | ||
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Y | MAC | 640 | 480 | 66.67 | 35 | 30.24 | ||
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Y | VESA | 640 | 480 | 72.81 | 37.86 | 31.5 | ||
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Y | VESA | 640 | 480 | 75 |
| 37.5 | 31.5 | |
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Y | IBM | 640 | 480 | 75 |
| 39.375 | 31.49 | |
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Y | VESA | 640 | 480 | 85.01 | 43.269 | 36 | ||
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Y | IBM | 720 | 350 | 70.09 | 31.469 | 28.322 | ||
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Y | VESA | 720 | 400 | 85.04 | 37.927 | 35.5 | ||
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Y | IBM | 720 | 350 | 87.85 | 39.44 | 35.5 | ||
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Y | IBM | 720 | 400 | 87.7 | 39.375 | 35.5 | ||
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Y | VESA | 800 | 600 | 56.25 | 35.16 | 36 | ||
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Y | VESA | 800 | 600 | 60.32 | 37.879 | 40 | ||
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Y | VESA | 800 | 600 | 72.19 | 48.077 | 50 | ||
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Y | VESA | 800 | 600 | 75 |
| 46.88 | 49.5 | |
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Y | VESA | 800 | 600 | 85.06 | 53.674 | 56.25 | ||
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#Y | MAC | 832 | 624 | 74.55 | 49.725 | 57.283 | ||
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#Y | VESA | 1024 | 768 | 43 | Interlaced | 35.5 | 44.9 | |
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#Y | VESA | 1024 | 768 | 60 |
| 48.363 | 65 | |
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#Y | VESA | 1024 | 768 | 70.07 | 57.476 | 75 | ||
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#Y | IBM | 1024 | 768 | 72.03 | 58.131 | 79 | ||
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#Y | MAC | 1024 | 768 | 74.93 | 60.241 | 80 | ||
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#Y | VESA | 1024 | 768 | 75.03 | 60.023 | 78.75 | ||
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#Y | VESA | 1024 | 768 | 85 |
| 68.677 | 94.5 | |
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##Y | VESA | 1152 | 864 | 75 |
| 67.5 | 108 | |
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##Y | MAC | 1152 | 870 | 75.06 | 68.681 | 100 | ||
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##Y | SUN | 1152 | 900 | 65.95 | 61.796 | 92.94 | ||
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##Y | SGI | 1152 | 900 | 76.05 | 71.736 | 105.6 | ||
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##Y | VESA | 1280 | 960 | 60 |
| 60 | 108 | |
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##Y | SGI | 1280 | 1024 | 60 |
| 63.9 | 107.35 | |
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##Y | VESA | 1280 | 1024 | 60.02 | 63.981 | 108 | ||
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##Y | MAC | 1280 | 1024 | 60.38 | 64.31 | 107 | ||
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##Y | MAC | 1280 | 1024 | 65.2 | 69.9 | 118.5 | ||
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##Y | HP | 1280 | 1024 | 72.01 | 78.125 | 135 | ||
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##Y | SUN | 1280 | 1024 | 76.11 | 81.13 | 135 | ||
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##Y | VESA | 1280 | 1024 | 75.03 | 79.976 | 135 | ||
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##Y | VESA | 1280 | 1024 | 85.02 | 91.146 | 157.5 | ||
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##Y | HDTV (1080i) | 1920 | 1080 | 60 | Interlace | 33.75 | 74.25 | |
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##Y | HDTV (720p) | 1280 | 720 | 60 | Progressive | 45 | 74.25 | |
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##Y | SDTV (480p) | 720 | 483 | 59.94 Progressive | 31.47 | 27 | ||
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#Y: | Images in above flagged with # and Y are compressed with Advanced AccuBlend on VT440. | |||||||
##Y: | Images in above flagged with ## and Y are compressed with Advanced AccuBlend on VT540. | |||||||
NOTE1: Some composite sync signals may not be displayed correctly.
NOTE2: Signals other than those specified in the table above may not be displayed correctly. If this should happen, change the refresh rate or resolution on your PC. Refer to Display Properties help section of your PC for procedures.
