Support Timing - Acer AL2251W Service Manual

Supported Timing
Mode Resolution
640x480@60Hz
VGA
640x480@72Hz
640x480@75Hz
800x600@56Hz
800x600@60Hz
SVGA
800x600@72Hz
800x600@75Hz
1024x768@60Hz
1024x768@70Hz
XGA
1024x768@72Hz
1024x768@75Hz
1280x1024@60Hz
1280x1024@70Hz
SXGA 1280x1024@72Hz
1280x1024@75Hz
1280x960@60Hz
1440x900@60Hz
1680x1050@60Hz
WSXGA
DOS 720x400@70Hz
DOS 640x350@70Hz
XGA 1024x768@72Hz
640x480@67Hz
VGA
SVGA
832x624@75Hz
XGA 1024x768@60Hz
1024x768@75Hz
VESA MODES
Nominal
Total Frequency
+/- 0.5kHz
800 x 525 31.469
832 x 520 37.861
840 x 500 37.500
1024 x 625 35.156
1056 x 628 37.879
1040 x 666 48.077
1056x625 46.875
1344x806 48.363
1328x806 56.476
1304x798 57.7
1312x800 60.023
1688x1066 63.981
1688x1066 74.4
1688x1066 77.9
1688x1066 79.976
1800x1000 60
1904x934 55.93
2240x1089 65.29
IBM MODES
900 x 449 31.469
800 x 449 31.469
1304 x 798 57.515
MAC MODES
864x525 35.000
1152x667 49.725
1312x813 48.780
1328x804 60.241
13
Horizontal
Sync Nominal
Polarit Freq.
y +/- 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
P 75.029
P 60.020
P
P
P 75.025
P
P
N 59.95
Horizontal
N 70.087
P 70.087
P 72.1
N 66.667
N 74.551
N 60.001
N 74.927
Vertical
Sync Nominal
Polari Pixel Clock
ty (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
72 P 78.4
P 78.750
P 108.000
70 P 124.9
72 P 134.6
P 135.000
60 P 108
60 P 106.5
P 146.25
Vertical
P 28.322
N 25.175
P 75.000
N 30.240
N 57.2832
N 64.000
N 80.000