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Setting up HDMI on your HDTV - nVidia vs. AMD

By: James Bannan | Editorials in HT & Movies | Posted: Dec 21, 2006 5:00 am

nVidia ForceWare


- Test System Setup


Processor(s): AMD Athlon 64 3500+


Motherboard(s): Biostar 6100-M9


Memory: 2 x 512MB PC3200 RAM


Graphics Card: MSI NX7600GT Diamond Plus


Hard Disk(s): Seagate 80GB SATA


Operating System Used: Microsoft Windows XP SP2


Drivers Used: nVidia ForceWare 93.71 and DX9c


Adjusting the display on an nVidia graphics card is done via the nVidia Control Panel. Access through the desktop right-click context menu, or from the Windows Control Panel. Then, select Video and Television.




There are three options available - Run television setup, Change the signal or HD format, and Resize HDTV desktop.


The wizard just steps you through the other available options in a standard wizard format. It's actually just as easy to go straight to one of the other two options.


Changing the signal or HD format essentially lets you choose which HD setting to use, like 768i, 768p or 1080i. Bear in mind that on a fixed-pixel display it doesn't matter which setting you choose, they will all need overscan correction to make the desktop fit the screen, so the decision is ultimately determined by the capabilities of the TV. Mine supports 1080i, so that's what I went with.


The main option here is Resize HDTV desktop. nVidia's approach is a very simple one - the resize screen has little distraction and the green arrows are cleverly laid across the white border to give you a very accurate measure of how much adjustment to make. It doesn't offer a fine degree of control though - the slider adjusts all four corners and maintains the aspect ratio, so you can't adjust one edge without affecting all of them. However, in my case it didn't matter - the slider adjusted the desktop to fit perfectly.



If you take a look at the image, you'll see the black borders surrounding the desktop. That's the overscan correction. Running at 1920x1080, that's how much of the image you don't see. This is demonstrated by the resulting resolution - 1824x1028.




And from nVidia's perspective - that's all there is to it. Very easy and straightforward.

Sony KDL-46XBR2 46 in. HDTV LCD Television


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