30
Chapter 5 Reference
5-5 Preset Timing
The following table shows factory preset video timing (for analog signal only).
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 TEXT 720×
400@70Hz
28.3 MHz
Horizontal
31.47
Negative
Vertical
70.09
Positive
PC-9801 640×400@56Hz
21.1 MHz
Horizontal
24.83
Negative
Vertical
56.42
Negative
PC-9821 640×400@70Hz
25.2 MHz
Horizontal
31.48
Negative
Vertical
70.10
Negative
Macintosh
640×480@67Hz
30.2 MHz
Horizontal
35.00
Negative
Vertical
66.67
Negative
Macintosh
832×624@75Hz
57.3 MHz
Horizontal
49.72
Negative
Vertical
74.55
Negative
VESA 640×480@72Hz
31.5 MHz
Horizontal
37.86
Negative
Vertical
72.81
Negative
VESA 640×480@75Hz
31.5 MHz
Horizontal
37.50
Negative
Vertical
75.00
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
75.00
Positive
VESA 1024×768@60Hz
65.0 MHz
Horizontal
48.36
Negative
Vertical
60.00
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
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.
