![AOC LM721A Service Manual Download Page 7](http://html1.mh-extra.com/html/aoc/lm721a/lm721a_service-manual_2950296007.webp)
LM721A
Serial Service Manual Rev: A
Page
Page
Page
Page 10
10
10
10 of
of
of
of 59
59
59
59
4.2 Factory Preset Display Modes
VESA MODES
Horizontal
Vertical
Mode Resolution Total
Nominal
Frequency
+/- 0.5kHz
Sync
Polarity
Nominal
Freq.
+/- 1 Hz
Sync
Polarity
Nominal Pixel
Clock
(MHz)
640x480@60Hz
800 x 525
31.469
N
59.940
N
25.175
640x480@72Hz
832 x 520
37.861
N
72.809
N
31.500
VGA
640x480@75Hz
840 x 500
37.500
N
75.00
N
31.500
800x600@56Hz
1024 x 625
35.156
N/P
56.250
N/P
36.000
800x600@60Hz
1056 x 628
37.879
P
60.317
P
40.000
800x600@72Hz
1040 x 666
48.077
P
72.188
P
50.000
SVGA
800x600@75Hz 1056x625 46.875 P 75.000 P
49.500
1024x768@60Hz 1344x806 48.363
N 60.004 N
65.000
1024x768@60Hz 1312x813 48.78
N
60.00
N
64.000
1024x768@70Hz 1328x806 56.476
N 70.069 N
75.000
1024x768@72Hz 1304x798 57.515
P
72.074
P
75.000
1024x768@75Hz 1328x804 60.200
N
74.90
N
80.000
XGA
1024x768@75Hz 1312x800 60.023
P 75.029 P
78.750
XGA 1152x864@75Hz 1600x900 67.50
P
75.000
P
108.000
1280x1024@60Hz 1688x1066 63.981
P
60.020
P
108.000
SXGA
1280x1024@75Hz 1688x1066 79.976
P
75.025
P
135.000
IBM MODES
Horizontal
Vertical
Mode Resolution Total
Nominal
Frequency
+/- 0.5kHz
Sync
Polarity
Nominal
Freq.
+/- 1 Hz
Sync
Polarity
Nominal
Pixel
Clock
(MHz)
DOS*
720x400@70Hz
900 x 449
31.469
N
70.087
P
28.322
DOS**
640x400@70Hz
800 x 449
31.469
N
70.087
P
25.175
MAC MODES
VGA 640x480@67Hz 864x525 35.000
N 66.667 N
30.240
SVGA 832x624@75Hz 1152x667 49.725
N 74.551
N
57.2832
All manuals and user guides at all-guides.com