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Chapter 5 Reference
5-5 Preset Timing
The following table shows factory preset video timing.
Mode Dot clock
Frequency
Polarity
Horizontal: kHz
Vertical: Hz
VGA 640×480@60Hz
25.2 MHz
Horizontal 31.47 Negative
Vertical
59.94 Negative
VGA 720×400@70Hz
28.3 MHz
Horizontal 31.47 Negative
Vertical
70.09 Positive
Macintosh 640×
480@67Hz
30.2 MHz
Horizontal 35 Negative
Vertical
66.67 Negative
Macintosh 832×
624@75Hz
57.3 MHz
Horizontal 49.73 Negative
Vertical
74.55 Negative
Macintosh 1152×
870@75Hz
100.0 MHz
Horizontal 68.68 Negative
Vertical
75.06 Negative
Macintosh 1280×
960@75Hz
126.2 MHz
Horizontal 74.76 Positive
Vertical
74.76 Positive
PC-9801 640×400@56Hz 21.0MHz
Horizontal 24.83 Negative
Vertical
56.42 Negative
PC-9821 640×400@70Hz 25.2 MHz
Horizontal 31.5 Negative
Vertical
70.15 Negative
VESA 640×480@72Hz
31.5 MHz
Horizontal 37.86 Negative
Vertical 72.81 Negative
VESA 640×480@75Hz
31.5 MHz
Horizontal 37.5 Negative
Vertical 75 Negative
VESA 800×600@56Hz
36.0 MHz
Horizontal 35.16 Positive
Vertical
56.25 Positive
VESA 800×600@60Hz
40.0 MHz
Horizontal 37.88 Positive
Vertical
60.32 Positive
VESA 800×600@72Hz
50.0 MHz
Horizontal 48.08 Positive
Vertical 72.19 Positive
VESA 800×600@75Hz
49.5 MHz
Horizontal 46.88 Positive
Vertical 75 Positive
VESA 1024×768@60Hz
65.0 MHz
Horizontal 48.36 Negative
Vertical
60 Negative
VESA 1024×768@70Hz
75.0 MHz
Horizontal 56.48 Negative
Vertical
70.07 Negative
VESA 1024×768@75Hz
78.8 MHz
Horizontal 60.02 Positive
Vertical
75.03 Positive
VESA 1152×864@75Hz
108.0 MHz
Horizontal 67.5 Positive
Vertical
75 Positive
VESA 1280×960@60Hz
108.0 MHz
Horizontal 60 Positive
Vertical
60 Positive
VESA 1280×1024@60Hz
108.0 MHz
Horizontal 63.98 Positive
Vertical
60.02 Positive
VESA 1280×1024@75Hz
135.0 MHz
Horizontal 79.98 Positive
Vertical
75.03 Positive
Attention
• Display position may be deviated
depending on the PC connected,
which may require screen adjustment
using Adjustment menu.
• If a signal other than those listed in
the table is input, adjust the screen
using the Adjustment menu. However,
screen display may still be incorrect
even after the adjustment.
• When interlace signals are used, the
screen cannot be displayed correctly
even after screen adjustment using the
Adjustment menu.