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METHOD OF ADJUSTMENTS
PC mode
Signal name
Definition
Dot clock frequency (MHz)
H frequency (kHz)
V frequency (Hz)
H total (µS)
(dots)
H display period (µS)
(dots)
H front porch (µS)
(dots)
H sync pulse width (µS)
(dots)
H back porch (µS)
(dots)
V total (mS)
(line)
V display period (mS)
(line)
V front porch (mS)
(line)
V sync pulse width (mS)
(line)
V back porch (mS)
(line)
H sync polarity
V sync polarity
Scan type
VGROM NO.
Signal reference origin
5-22
11
12
VESA
VESA
600@56Hz
600@60Hz
800*600
800*600
36
40
35.156
37.879
56.25
60.317
28.444
26.4
1024
1056
22.222
20
800
800
0.667
1
24
40
2
3.2
72
128
3.556
2.2
128
88
17.778
16.579
625
628
17.067
15.84
600
600
0.028
0.026
1
1
0.057
0.106
2
4
0.626
0.607
22
23
Pos.
Pos.
Pos.
Pos.
Non
Non
interlaced
interlaced
11
12
VESA Monitor Timing Standard Ver 1.0 R0.6
13
14
VESA
VESA
600@72Hz
600@75Hz
800*600
800*600
50
49.5
48.077
46.875
72.188
75
20.8
21.333
1040
1056
16
16.162
800
800
1.12
0.323
56
16
2.4
1.616
120
80
1.28
3.232
64
160
13.853
13.333
666
625
12.48
12.8
600
600
0.77
0.021
37
1
0.125
0.064
6
3
0.478
0.448
23
21
Pos.
Pos.
Pos.
Pos.
Non
Non
interlaced
interlaced
13
14
15
VESA
600@85Hz
800*600
56.25
53.674
85.061
18.631
1048
14.222
800
0.569
32
1.138
64
2.702
152
11.756
631
11.179
600
0.019
1
0.056
3
0.503
27
Pos.
Pos.
Non
interlaced
15
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