AVS Special Member
Join Date: Mar 2000
Location: Frederick MD USA
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Quite familiar with it....example...800x600 is a pretty small box in the middle of the screen, 1024x768 is a little better, 1156x864 a little better, etc etc etc. But 856x480 fills the screen just fine.
When using interlaced resolutions, you have (assuming your set is a 1080i HDTV) 1080 active vertical lines to work with....because your set has to interlace resolutions >540p vertical. So if your rez is, say, 800x600, you only are using 600 out of 1080 active lines for the image vertically, but the remaining 480 lines have to be redistributed to the top and bottom black parts of the image to maintain 1080i, HDTV timings.
So to reduce the amount of black areas on the top& bottom, use resolutions close to 1080i, example, 1156x864, 1280x960, 1280x1024, 1600x900....you get the idea. Then use Powerstrip to adjust the sides to your tastes. You cant adjust the vertical.
This is how the adapter, CAT 4.2 drivers and Powerstrip work for me. I have a 55" 1080i 16x9 MITS. I have the adapter set to 480p, 1080i and 16x9. Turn off the 480i switch on the adapter if you have it on. I read about people having issues when its on.
What is your displays screen size, & can you verify what format your HDTV is receiving from the PC...480i, 480p, 720p or 1080i?