Samsung SyncMaster 763DFX Manual page 61

Specifications
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 may go blank while
the power LED is on. Refer to the video card manual and adjust the screen as follows.
Table 1. Preset Timing Modes
Display Mode
IBM, 640 x 480
IBM, 720 x 400
VESA, 640 x 480
VESA, 640 x 480
VESA, 800 x 600
VESA, 800 x 600
VESA, 1024 x 768
VESA, 1024 x 768
Horizontal Vertical
Frequency Frequency
(kHz) (Hz)
31.469 59.940
31.469 70.087
37.500 75.000
43.269 85.008
46.875 75.000
53.674 85.061
60.023 75.029
68.677 84.997
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
Pixel Clock Sync Polarity
(MHz) (H/V)
25.175 -/-
28.322 -/+
31.500 -/-
36.000 -/-
49.500 +/+
56.250 +/+
78.750 +/+
94.500 +/+