6
ViewSonic Corporation Confidential - Do Not Copy VG2030wm-1 
5 ELECTRICAL REQUIREMENT 
Horizontal / Vertical Frequency 
Horizontal Frequency 24 – 82 kHz 
Vertical Refresh Rate 50 – 85 Hz 
Maximum Pixel Clock 165 MHz 
Sync Polarity Independent of sync polarity 
 
Timing Table 
Analog 
Item 
Timing 
Separated 
Composite 
SOG 
Digital - TMDS 
Remark 
1 640 x 350 @ 70 Hz, 31.5 KHz         For SOG sync, OSD will be 720x400@70Hz. 
 
2 640 x 400 @ 60 Hz, 31.5 KHz 
       
For SOG sync, switch 640x400@60Hz and 
640x480@60Hz by [1]+[2] short cut key 
(primary=640x480@60Hz) 
3 640 x 400 @ 70 Hz, 31.5 KHz 
       
For Analog sync, OSD will be 
640x400@70Hz/720x400@70Hz. 
(Promary=720x400@70Hz) 
4 640 x 480 @ 50 Hz, 24.7 KHz         
5 640 x 480 @ 60 Hz, 31.5 KHz 
       
For SOG sync, switch 640x400@60Hz and 
640x480@60Hz by [1]+[2] short cut key 
(primary=640x480@60Hz) 
6 640 x 480 @ 67 Hz, 35 KHz         
7 640 x 480 @ 72 Hz, 37.9 KHz         
8 640 x 480 @ 75 Hz, 37.5 KHz         
9 640 x 480 @ 85 Hz, 43.3 KHz         
10 720 x 400 @ 70 Hz, 31.5 KHz 
       
For Analog sync, OSD will be 
640x400@70Hz/720x400@70Hz. 
(Promary=720x400@70Hz) 
11 720 x 480 @ 60 Hz, 31.5 KHz  
12 720 x 576 @ 50 Hz, 31.3 KHz  
13 800 x 600 @ 50 Hz, 24.7 KHz         
14 800 x 600 @ 56 Hz, 35.1 KHz         
15 800 x 600 @ 60 Hz, 37.9 KHz         
16 800 x 600 @ 70 Hz, 43 KHz         
17 800 x 600 @ 72 Hz, 48.1 KHz         
18 800 x 600 @ 75 Hz, 46.9 KHz         
19 800 x 600 @ 85 Hz, 53.7 KHz         
20 832 x 624 @ 75 Hz, 49.7 KHz         
21 1024 x 768 @ 50 Hz, 39.6 KHz 
       
For SOG sync, the Information OSD will be 
1024x768@50Hz, the OSD content also can be changed 
to 1280x768@50Hz by [1]+[2] short cut key. 
22 1024 x 768 @ 60 Hz, 48.4 KHz 
       
For SOG sync, the Information OSD will be 
1024x768@60Hz, the OSD content also can be changed 
to 1280x768@60Hz by [1]+[2] short cut key. 
23 1024 x 768 @ 70 Hz, 56.5 KHz         
24 1024 x 768 @ 72 Hz, 58.1 KHz         
25 1024 x 768 @ 75 Hz, 60 KHz 
       
For SOG sync, the Information OSD will be 
1024x768@75Hz, the OSD content also can be changed 
to 1280x768@75Hz by [1]+[2] short cut key. 
26 1024 x 768 @ 85 Hz, 68.7 KHz         
27 1152 x 864 @ 75 Hz, 67.5 KHz         
28 1152 x 870 @ 75 Hz, 68.7 KHz