91
Specifications
10
10 Specifications
S22C450DW
Horizontal Frequency
The time required to scan a single line from the left to the right side of the screen is called a
horizontal cycle. The reciprocal number of a horizontal cycle is called horizontal frequency.
Horizontal frequency is measured in kHz.
Vertical Frequency
Repeating the same picture dozens of times per second allows you to view natural pictures. The
repeat frequency is called "vertical frequency" or "refresh rate" and is indicated in Hz.
Resolution
Horizontal
Frequency
(kHz)
Vertical
Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
IBM, 720 x 400
31.469
70.087
28.322
-/+
VESA, 640 x 480
31.469
59.940
25.175
-/-
MAC, 640 x 480
35.000
66.667
30.240
-/-
VESA, 640 x 480
37.861
72.809
31.500
-/-
VESA, 640 x 480
37.500
75.000
31.500
-/-
VESA, 800 x 600
35.156
56.250
36.000
+/+
VESA, 800 x 600
37.879
60.317
40.000
+/+
VESA, 800 x 600
48.077
72.188
50.000
+/+
VESA, 800 x 600
46.875
75.000
49.500
+/+
MAC, 832 x 624
49.726
74.551
57.284
-/-
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, 1152 x 864
67.500
75.000
108.000
+/+
MAC, 1152 x 870
68.681
75.062
100.000
-/-
VESA, 1280 x 720
45.000
60.000
74.250
+/+
VESA, 1280 x 800
49.702
59.810
83.500
-/+
VESA, 1280 x 1024
63.981
60.020
108.000
+/+
VESA, 1280 x 1024
79.976
75.025
135.000
+/+
VESA, 1440 x 900
55.935
59.887
106.500
-/+
VESA, 1600 x 900RB
60.000
60.000
108.000
+/+
VESA, 1680 x 1050
65.290
59.954
146.250
-/+
