Support Timing - Acer AL1922 Service Manual

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Supported Timing
Mode
Resolution
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
XGA
1024x768@60Hz
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.
All manuals and user guides at all-guides.com
VESA MODES
Horizontal
Nominal
Frequency
+/- 0.5kHz
31.469
37.861
37.500
35.156
37.879
48.077
46.875
48.363
56.476
60.023
67.5khz
63.981
79.976
IBM MODES
Horizontal
31.469
31.469
57.515
MAC MODES
35.000
49.725
48.780
60.241
12
Vertical
Nominal
Sync
Freq.
Polarity
+/- 1 Hz
N
59.940
N
72.809
N
75.00
N/P
56.250
P
60.317
P
72.188
P
75.000
N
60.004
N
70.069
P
75.029
P
75
P
60.020
P
75.025
Vertical
N
70.087
P
70.087
P
72.1
N
66.667
N
74.551
N
60.001
N
74.927
Nominal
Sync
Pixel
Polarity
Clock
(MHz)
N
25.175
N
31.500
N
31.500
N/P
36.000
P
40.000
P
50.000
P
49.500
N
65.000
N
75.000
P
78.750
P
108.000
P
108.000
P
135.000
P
28.322
N
25.175
P
75.000
N
30.240
N
57.2832
N
64.000
N
80.000

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