Supported Timing - Acer AL1922R Service Manual

Supported Timing

Mode
640x480@60Hz
VGA 640x480@72Hz
640x480@75Hz
800x600@56Hz
800x600@60Hz
SVGA
800x600@72Hz
800x600@75Hz
1024x768@60Hz
XGA
1024x768@70Hz
1024x768@75Hz
1152x864@75Hz
1280x1024@60Hz
SXGA
1280x1024@75Hz
DOS 720x400@70Hz
DOS 640x350@70Hz
XGA 1024x768@72Hz
VGA 640x480@67Hz
SVGA
832x624@75Hz
1024x768@60Hz
XGA
1024x768@75Hz
.
Support Modes
There will be 20 total support modes to accommodate the above mode and other video modes within the frequency
range of the monitor.
85Hz refresh rate Support
Monitor should display 85Hz refresh rate mode as emergency mode. Monitor should
display " Out of Range" warning menu at this mode.
Nominal
Resolution Frequency
+/- 0.5kHz
67.5KHz
VESA MODES
Horizontal
Sync
Polarity
31.469 N
37.861 N
37.500 N
35.156 N/P
37.879 P
48.077 P
46.875 P
48.363 N
56.476 N
60.023 P
P
63.981 P
79.976 P
IBM MODES
Horizontal
31.469 N
31.469 P
57.515 P
MAC MODES
35.000 N
49.725 N
48.780 N
60.241 N
12
Vertical
Nominal
Sync
Freq.
Polarity
+/- 1 Hz
59.940 N
72.809 N
75.00 N
56.250 N/P
60.317 P
72.188 P
75.000 P
60.004 N
70.069 N
75.029 P
75 P
60.020 P
75.025 P
Vertical
70.087 P
70.087 N
72.1 P
66.667 N
74.551 N
60.001 N
74.927 N
Nominal
Pixel
Clock
(MHz)
25.175
31.500
31.500
36.000
40.000
50.000
49.500
65.000
75.000
78.750
108.000
108.000
135.000
28.322
25.175
75.000
30.240
57.2832
64.000
80.000