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3.2. SUPPORTING MODES
Primary Preset:
VESA 1024 x 768 @ 60Hz
Factory Preset Modes:
1. VGA 640x350 @ 70Hz, 25.176MHz
2. VESA 640x480 @ 60Hz, 25.175MHz
3. MAC 640x480 @ 67Hz, 31.500MHz
4. VESA 640x480 @ 72Hz, 31.50MHz
5. VESA 640x480 @ 75Hz, 31.50MHz
6. VESA 720x400 @ 70Hz, 28.320MHz
7. VESA 800x600 @ 56Hz, 36.00MHz
8. VESA 800x600 @ 60Hz, 40.00MHz
9. VESA 800x600 @ 72Hz, 50.00MHz
10. VESA 800x600 @ 75Hz, 49.5MHz
11. MAC 832x624 @ 75Hz, 57.272MHz
12. VESA 1024x768 @ 60Hz, 65MHz
13. VESA 1024x768 @ 70Hz, 75.000MHz
14. VESA 1024x768 @ 72Hz, 78.000MHz
15. MAC 1024x768 @ 75Hz, 80.000MHz
16. VESA 1024x768 @ 75Hz, 78.750MHz
3.3. D-SUB CONNECTOR PINASSIGNMENT
Pin No.
Symbol
Signal
Description
1 R
RED 0.7vp-p
(VIDEO)
2 G
GREEN
0.7vp-p
(VIDEO)
3 B
BLUE 0.7vp-p
(VIDEO)
4 GND
GROUND
5 GND
GROUND
6 GND
GROUND
7 GND
GROUND
8 GND
GROUND
9 VCC_+5V
PC
+5V
10 GND
GROUND
11 N.C.
12 DDC_SDA
DDC1/2B TTL
13 DDC_SCL
DDC1/2B TTL
14
VGA_VSYNC VSYNC
TTL positive or negative
ViewSonic Corporation
4
VG500b-1
Confidential
– Do Not Copy
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