AP P E N D I X
Display Modes
If the signal from the system equals the standard signal mode, the screen is adjusted automatically. If the signal from the system doesn’t equal the standard signal mode, adjust the mode by referring to your Videocard user guide; otherwise there may be no video. For the display modes listed below, the screen image has been optimized during manufacture.
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| Horizontal | Vertical | Pixel Clock | Sync |
Mode | Resolution | Frequency | Frequency | Frequency | Polarity |
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| (kHz) | (Hz) | (MHz) | (H/V) |
Macintosh | 640 X 480 | 35.000 | 66.667 | 30.240 | |
| 832 X 624 | 49.726 | 74.551 | 49.500 | + / + |
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IBM | 640 X 480 | 31.496 | 59.940 | 25.175 | |
| 720 X 400 | 31.469 | 70.087 | 28.322 | |
VESA | 640 X 480 | 37.861 | 72.809 | 31.500 | |
| 640 X 480 | 37.500 | 75.000 | 31.500 | |
| 800 X 600 | 37.879 | 60.317 | 40.000 | + / + |
| 800 X 600 | 48.077 | 72.188 | 50.000 | + / + |
| 800 X 600 | 46.875 | 75.000 | 49.500 | + / + |
| 1024 X 768 | 48.363 | 60.004 | 65.000 | |
| 1024 X 768 | 56.476 | 70.069 | 75.000 | |
| 1024 X 768 | 60.023 | 75.029 | 78.750 | + / + |
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GTF | 1280 X 768 | 47.700 | 60.000 | 80.136 | |
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