Samsung 203B Quick Guide (easy Manual) (ver.1.0) (English) - Page 68

Display Mode, Horizontal, Frequency, Vertical, Pixel Clock, Sync Polarity, Horizontal Frequency, - how many lamps

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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 Horizontal Frequency (kHz) MAC,640X480 35.000 MAC,832X624 49.726 MAC,1152X870 68.681 IBM,640X350 31.469 IBM,720X400 31.469 IBM,720X400 31.469 VESA,640X480 37.861 VESA,640X480 37.500 VESA,800X600 35.156 VESA,800X600 37.879 VESA, 800X600 48.077 VESA,800X600 46.875 VESA,1024X768 48.363 VESA,1024X768 56.476 VESA,1024X768 60.023 VESA,1152X864 67.500 VESA.1280X960 60.000 VESA,1280X1024 79.976 VESA,1600X1200 75.000 Vertical Frequency (Hz) 66.667 74.551 75.062 70.086 70.087 59.940 72.809 75.000 56.250 60.317 72.188 75.000 60.004 70.069 75.029 75.000 60.000 75.025 60.000 Pixel Clock (MHz) 30.240 57.284 100.00 25.175 28.322 25.175 31.500 31.500 36.000 40.000 50.000 49.500 65.000 75.000 78.250 108.00 108.00 135.00 162.000 Sync Polarity (H/V) 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

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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
Horizontal
Frequency
(kHz)
Vertical
Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
MAC,640X480
35.000
66.667
30.240
-/-
MAC,832X624
49.726
74.551
57.284
-/-
MAC,1152X870
68.681
75.062
100.00
-/-
IBM,640X350
31.469
70.086
25.175
+/-
IBM,720X400
31.469
70.087
28.322
-/+
IBM,720X400
31.469
59.940
25.175
-/-
VESA,640X480
37.861
72.809
31.500
-/-
VESA,640X480
37.500
75.000
31.500
-/-
VESA,800X600
35.156
56.250
36.000
+/-,+/-
VESA,800X600
37.879
60.317
40.000
+/+
VESA, 800X600
48.077
72.188
50.000
+/+
VESA,800X600
46.875
75.000
49.500
+/+
VESA,1024X768
48.363
60.004
65.000
-/-
VESA,1024X768
56.476
70.069
75.000
-/-
VESA,1024X768
60.023
75.029
78.250
+/+
VESA,1152X864
67.500
75.000
108.00
+/+
VESA.1280X960
60.000
60.000
108.00
+/+
VESA,1280X1024
79.976
75.025
135.00
+/+
VESA,1600X1200
75.000
60.000
162.000
+/+
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