G5 with samsung 52" tv Mode not supported

Does anyone know how I can make my Powermac G5(single 1.8 ATI Radeon 9800pro) work with my Samsung 52 inch TV at HD resolution
I am attempting to convert my old Powermac G5 into a media computer. At some point I may want to add a blu-ray drive.
When I use the DVI on the G5 with a DVI to VGA adapter and connect to the TV via its VGA input. There is no picture and the TV says "mode not supported".
When I connect a second monitor to the ADC (via ADC to DVI) I can get the G5 to show up on the TV in mirror or extended mode (if I set the resolution to 1024 x 768 or less).
I have tried hocking up a monitor via VGA, setting the resolution to 1024x768, then shut done, restart with TV attached and still "mode not supported"
I have also tried making the TV as the main desktop in extended mode then restarting without the second monitor and still "mode not supported"
I tried a DVI to HDMI adapter but I got nothing "searching for signal" I would assume this should work so it might have been bad so I am going to exchange it and get a new one and try that.
?

I had to do the same, that is, accept a lower resolution for my LCD TV.
Using a Geforce 6800 GT, I have an interesting mix of "i" and "p" resolutions, but, as with the 9800 Pro, no 1920x1080p.
Just as well, though, as I couldn't read the text at highest resolution.
I'm pretty sure that this is simply a case of the high resolution 16:9 ratios not being supported in these older cards.
The resolutions that are available in the firmware of the cards are predominately for 16:10 ratio screens.
Remember, HDTV is a lot newer than most all AGP graphics cards.
I guess, when I have time, I'll have to play with DisplayConfigX and see if there is hope.

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The new features available in OS X Yosemite like Continuity, Handoff,etc are not supported in this model.
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ta
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Digger65 wrote:
thanks
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