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Specifications
User’s Manual
Preset Display Modes
Display Mode
Horizontal Frequency
(kHz)
Vertical Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
IBM, 640 x 480 31.469 59.940 25.175 -/-
IBM, 720 x 400 31.469 70.087 28.322 -/+
VESA, 640 X 480 37.500 75.000 31.500 -/-
VESA, 640 X 480 43.269 85.008 36.000 -/-
VESA, 800 X 600 46.875 75.000 49.500 +/+
VESA, 800 X 600 53.674 85.061 56.250 +/+
VESA, 1024 X 768 48.363 60.004 65.000 -/-
If the signal transferred from the computer is the same as the following Preset Display Modes, the
screen will be adjusted automatically. However, if the signal differs, the screen may go blank while
the power LED is on. Refer to the video card manual and adjust the screen as follows.
Horizontal Frequency
The time to scan one line connecting the right edge to the left edge of the screen
horizontally is called Horizontal Cycle and the inverse number of the Horizontal
Cycle is called Horizontal Frequency. Unit: kHz
Vertical Frequency
Like a fluorescent lamp, the screen has to repeat the same image many times per
second to display an image to the user. The frequency of this repetition is called
Vertical Frequency or Refresh Rate. Unit: Hz