81
Specifications
10
10 Specifications
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 -/+
MAC, 640 x 480
35.000
66.667 30.240 -/-
MAC, 832 x 624
49.726 74.551
57.284 -/-
MAC, 1152 x 870
68.681
75.062 100.000 -/-
VESA, 640 x 480
31.469
59.940
25.175
-/-
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 +/+
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 +/+
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 900 (RB)
60.000 60.000 108.000 +/+
VESA, 1680 x 1050
65.290 59.954 146.250 -/+
VESA, 1920 x 1080p
67.500 60.000 148.500 +/+