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1280x1024 vs 1920x1080

post #1 of 10
4/8/09 at 8:50pm
Thread Starter 
if i set my computer display settings to 1280x1024, then the entire screen on my samsung ln46a650 is utilized. if the display on the computer is 1920x1080, then i have a 2-3 inch black border around the picture on the tv. anyone know why that is?

i have the tv set to pc mode and im connected with an hdmi cable into hdmi2. to be honest, i cant tell the difference in the picture quality using both settings when watching a movie. is there something im missing?

whats the major difference between using pc mode when connected to hdmi2 vs whatever the regular setting is (digital media adapter, i think)? i notice that i have less picture options in the menu when i change the name to pc. however, when renamed to pc mode, the text on the screen is MUCH sharper.

lag is not an issue for me since i dont play games, but i want the best picture for watching hd movies from my computer.

my video card is an ati radeon 4350
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post #2 of 10
4/8/09 at 9:18pm
Plug your PC into HDMI1. This is what Samsung recommends and it should be in your TV's manual somewhere.

1920x1080 all the way!
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post #3 of 10
4/8/09 at 9:58pm
1280 x 1024 and 1920 x 1080 aren't even the same aspect ratios....so unless your monitor/TV is a 4:3 unit, then I'd stick with 16:9 resolutions (1920 x 1080, 1366 x 768, 1280 x 720)....
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post #4 of 10
4/8/09 at 10:05pm
Thread Starter 
Quote:
Originally Posted by ViolatorX View Post

Plug your PC into HDMI1. This is what Samsung recommends and it should be in your TV's manual somewhere.

1920x1080 all the way!

actually they say to put it into hdmi2 and rename it to pc. but ill connect to hdmi1 and see what happens
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post #5 of 10
4/8/09 at 10:07pm
Thread Starter 
Quote:
Originally Posted by Favelle View Post

1280 x 1024 and 1920 x 1080 aren't even the same aspect ratios....so unless your monitor/TV is a 4:3 unit, then I'd stick with 16:9 resolutions (1920 x 1080, 1366 x 768, 1280 x 720)....

yea i understand that but 1280x1024 is the only way to use the entire screen on the tv...atleast for me. if i use 1920x1080 then i have to pan around on my computer monitor to see the whole screen.
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post #6 of 10
4/9/09 at 1:41am
I have the exact same setup as you.
I have a Samsung LN46A650 that is connected to and ATI 4850 card via HDMI.

First off it doesn't matter what HDMI port you plug it into. The reason Samsung tells you to put it in HDMI2 is because if you're card can not pass audio through HDMI, the HDMI2 port is hooked to the pc audio input (analog hookups next to VGA D-SUB) connector. That way you could just pass video through HDMI and connect audio from sound card to tv using analog wires.

The reason you have a black border with 1920x1080 is because you need to set up overscan in your video card settings. If you have ATI go into advanced catalyst control center -> DTV(HMDI)``3 -> Scaling Options. Move the bar around til it fills your entire screen.

I would also recommend using 1360x768 if you plan on watching SD TV. Upscaling 480i to 1080p looks pretty terrible no matter what hardware you are using. 1360x768 is the next lowest supported resolution by the LN46A650. I can not tell the difference between this and 1080p even when watching 1080p .mkv files and that's from 5 feet away.

Good luck.
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post #7 of 10
4/9/09 at 4:22am
Use "Just Scan" picture option size setting on the TV with 1920 x 1080p pc setting.
Works for me and looks great!
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post #8 of 10
4/9/09 at 2:06pm
Thread Starter 
Quote:
Originally Posted by BCarl17 View Post

I have the exact same setup as you.
I have a Samsung LN46A650 that is connected to and ATI 4850 card via HDMI.

First off it doesn't matter what HDMI port you plug it into. The reason Samsung tells you to put it in HDMI2 is because if you're card can not pass audio through HDMI, the HDMI2 port is hooked to the pc audio input (analog hookups next to VGA D-SUB) connector. That way you could just pass video through HDMI and connect audio from sound card to tv using analog wires.

The reason you have a black border with 1920x1080 is because you need to set up overscan in your video card settings. If you have ATI go into advanced catalyst control center -> DTV(HMDI)``3 -> Scaling Options. Move the bar around til it fills your entire screen.

I would also recommend using 1360x768 if you plan on watching SD TV. Upscaling 480i to 1080p looks pretty terrible no matter what hardware you are using. 1360x768 is the next lowest supported resolution by the LN46A650. I can not tell the difference between this and 1080p even when watching 1080p .mkv files and that's from 5 feet away.

Good luck.

thanks...1360x768 is not supported by my monitor (LG L194WT)..overscanned worked though
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post #9 of 10
4/11/09 at 11:57am
Quote:
Originally Posted by BCarl17 View Post

I have the exact same setup as you.
I have a Samsung LN46A650 that is connected to and ATI 4850 card via HDMI.

First off it doesn't matter what HDMI port you plug it into. The reason Samsung tells you to put it in HDMI2 is because if you're card can not pass audio through HDMI, the HDMI2 port is hooked to the pc audio input (analog hookups next to VGA D-SUB) connector. That way you could just pass video through HDMI and connect audio from sound card to tv using analog wires.

The reason you have a black border with 1920x1080 is because you need to set up overscan in your video card settings. If you have ATI go into advanced catalyst control center -> DTV(HMDI)``3 -> Scaling Options. Move the bar around til it fills your entire screen.

I would also recommend using 1360x768 if you plan on watching SD TV. Upscaling 480i to 1080p looks pretty terrible no matter what hardware you are using. 1360x768 is the next lowest supported resolution by the LN46A650. I can not tell the difference between this and 1080p even when watching 1080p .mkv files and that's from 5 feet away.

Good luck.

Has anyone ever seen a situation where the correct ATI drivers are installed, yet the overscan tab is disabled in Catalyst Control Panel? I cannot figure out how to enable overscan.

Please helP!
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post #10 of 10
7/31/09 at 8:22am
I just spent two hours trying to get clear sharp text on this TV with an HTPC via HDMI. I've concluded it MUST be on HDMI2 input to get rid of the color fringing issue on text. ON HDMI 4, even with the input renamed to "PC" and TV set to "Just Scan" and all other video processing turned off, it still had terrible color fringes on text. I finally tried HDMI2 and that did it.
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