Horizontal Frequency; Vertical Frequency - Samsung SyncMaster 151B User Manual

Specifications
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 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 350
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, 800 x 600
VESA, 800 x 600
VESA, 1024 x 768
VESA, 1024 x 768
VESA, 1024 x 768
(SyncMaster 151S / 151B)
Horizontal
Frequency
(kHz)
31.469 70.086
31.469 59.940
31.469 70.087
37.500 75.000
37.861 72.809
35.156 56.250
37.879 60.317
46.875 75.000
48.077 72.188
48.363 60.004
56.476 56.476
60.023 75.029

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
Vertical
Frequency
(Hz)
25.175
25.175
28.322
31.500
31.500
36.000
40.000
49.500
50.000
65.000
75.000
78.750
User's Manual
Pixel Clock
(MHz)
-/-
-/-
-/+
-/-
-/-
+,-/+,-
+/+
+/+
+/+
-/-
-/-
+/+
Sync Polarity
(H/V)