当前计时模
如果从计算机传递过来的信号和下面的当前计时模一样,那麽屏幕就会自动地调整。然而,如果信号是不同的, 那麽屏幕就可能会变成空白,而电源发光二极管是亮着的。参照视频卡的手册并按如下步骤调整屏幕。
表 1. 当前计时模 |
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显示模式 |
| 水平频率 | 垂直频率 | 图像时钟 | 同步极性 |
| (kHz) | (Hz) | (MHz) | (H/V) | |
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MAC, 640 x 480 | 35.000 | 66.667 | 30.240 | ||
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MAC, 832 x 624 | 49.726 | 74.551 | 57.284 | ||
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MAC,1152 x870 | 68.681 | 75.062 | 100.000 | ||
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IBM, 640 x 350 | 31.469 | 70.086 | 25.175 | +/- | |
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IBM, 640 x 480 | 31.469 | 59.940 | 25.175 | ||
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IBM, 720 x 400 | 31.469 | 70.087 | 28.322 | ||
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VESA, 640 x | 480 | 37.500 | 75.000 | 31.500 | |
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VESA, 640 x | 480 | 37.861 | 72.809 | 31.500 | |
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VESA, 640 x | 480 | 43.269 | 85.008 | 36.000 | |
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VESA, 800 x | 600 | 35.156 | 56.250 | 36.000 | |
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VESA, 800 x | 600 | 37.879 | 60.317 | 40.000 | +/+ |
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VESA, 800 x | 600 | 48.077 | 72.188 | 50.000 | +/+ |
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VESA, 800 x | 600 | 46.875 | 75.000 | 49.500 | +/+ |
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VESA, 800 x | 600 | 53.674 | 85.061 | 56.250 | +/+ |
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VESA, 1024 x 768 | 48.363 | 60.004 | 65.000 | ||
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VESA, 1024 x 768 | 56.476 | 70.069 | 75.000 | ||
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VESA, 1024 x 768 | 60.023 | 75.029 | 78.750 | +/+ | |
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VESA, 1024 x 768 | 68.677 | 84.977 | 94.500 | +/+ | |
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VESA, 1152 x 864 | 67.500 | 75.000 | 108.000 | +/+ | |
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VESA, 1280 x | 1024 | 63.981 | 60.020 | 108.00 | +/+ |
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VESA, 1280 x | 1024 | 79.976 | 75.025 | 135.00 | +/+ |
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Table 2. 广播系统
NTSC
广播系统
NTSC
USA
South Korea
Japan
CountriesEcuador
Mexico
Guatemala
Canada
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| PAL |
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广播系统 |
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Italy |
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Sweden |
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Germany |
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Norway |
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Spain |
| 爱尔兰 | 爱尔兰 |
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