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SIMATIC PC RI25/45, Technical Description
C79000-G7076-C808-01
Mode No.
(hex)
Vertical
scan
frequency
Hz
Horizontal
scan
frequency
kHz
Dot
Clock
MHz
Display
mode
Characters
per
cell
Characters
x
line
Colors
VESA
No.
(hex)
66
110
32K
[
640x480
25
31.5
60
66
110
32K
[
640x480
31.5
37.9
72
66
110
32K
[
640x480
31.5
37.5
75
67
113
32K
[
800x600
40
37.8
60
6C
[
106
16/256K
160x64
8x16
1280x1024
75
48
43
[
6D
[
256/256K
160x64
8x16
1280x1024
75
48
43
[
71
112
16M
80x30
8x16
640x480
25
31.5
60
74
[
64K
1024x768
44.9
35.5
43
[
Note
Some monitors do not support all modes. Your monitor automatically uses
the highest vertical scan frequency.
[
signifies interlaced mode. 43.5 Hz or
87 Hz interlaced
]
signifies 32K direct or packed-pixel mode (Sierra).
The two graphics modes 11’ and 12’ are based on the standard modes 11 and
12 but both have a higher refresh rate.
Mode 54 is a text mode with 1056x344 addressable pixels using 1056x350
timing.
Motherboard