General
PowerSaver
Preset Timing
Modes
If the signal transferred from the computer is the same as the following Preset Timing Modes, the
screen will be adjusted automatically. However, if the signal differs, the screen ma y go blank while the
power LED is on. Refer to the video card manual and adjust the screen as follows.
Preset Timing Modes
Display Mode Horizontal Frequency
(kHz)
Vertical Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
IBM, 640 x 350 31.469 70.086 25.175 +/-
IBM, 640 x 480 31.469 59.940 25.175 -/-
IBM, 720 x 400 31.469 70.086 28.322 -/+
MAC, 640 x 480 35.000 66.667 30.240 -/-
MAC, 832 x 624 49.726 74.551 57.284 -/-
VESA, 640 x 480 37.50 0 75.000 31.500 -/-
VESA, 640 x 480 37.86 1 72.809 31.500 -/-
VESA, 800 x 600 35.15 6 56.250 36.000 +,-/+,-
VESA, 800 x 600 37.87 9 60.317 40.000 +/+
VESA, 800 x 600 46.87 5 75.000 49.500 +/+
VESA, 800 x 600 48.07 7 72.188 50.000 +/+
VESA, 1024 x 768 48.363 60.004 65.000 -/-
VESA, 1024 x 768 56.476 70.069 75.000 -/-
VESA, 1024 x 768 60.023 75.029 78.750 +/+
VESA, 1280 x 1024 63.981 60.020 108.00 +/+
VESA, 1280 x 1024 79.976 75.025 135.00 +/+
SUN, 1280 x 1024 81.129 76.106 135.00 -/-
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