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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 (Exception : 640 x 480/60Hz, 720 x 400/70Hz, 800 x 600/60Hz)
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
MAC, 640 x 480
MAC, 832 x 624
MAC, 1152 x 870
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
VESA, 1152 x 864
VESA, 1280 x 960
VESA, 1280 x 1024
VESA, 1280 x 1024
Downloaded from ManualMonitor.com Manuals
Horizontal
Vertical
Frequency
Frequency
(kHz)
(Hz)
35.000
66.667
49.726
74.551
68.681
75.062
31.469
70.086
31.469
59.940
31.469
70.087
37.861
72.809
37.500
75.000
35.156
56.250
37.879
60.317
48.077
72.188
46.875
75.000
48.363
60.004
56.476
70.069
60.023
75.029
67.500
75.000
60.000
60.000
63.981
60.020
79.976
75.025
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)
30.240
-/-
57.284
-/-
100.00
-/-
25.175
+/-
25.175
-/-
28.322
-/+
31.500
-/-
31.500
-/-
36.000
+,-/+,-
40.000
+/+
50.000
+/+
49.500
+/+
65.000
-/-
75.000
-/-
78.750
+/+
108.00
+/+
108.00
+/+
108.00
+/+
135.00
+/+
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