Max res/refresh stats of S3 Unichrome on a KM400?

cmdrmoocow

Golden Member
Jul 22, 2004
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Im looking to build a low-end machine that does not have much intentions of gaming, but I am quite curious about the onboard chipset for video.

Its going to drive a Viewsonic P95fb, the big expensive 19", so I'd like to know the limits of the card.

Unfortunately, S3's site doesn't have it, and I can't dig it up at google.

Any help?
 

konakona

Diamond Member
May 6, 2004
6,285
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sorry i cant be to certain as my k7vme died on me few weeks ago. IIRC, i think it did 1152*864*32@75 (could be wrong tho, i really loathed it and had it replaced by an ATi card)
as a matter of fact, my box also happens to be like 90% about video (anime) and maybe 10% gaming. 2d looked ok for low res, but at high res i noticed a bad case of flicker and fuziness. video runs and looks ok in overlay mode, but kinda stutters in vmr9 mode. having seen what distinctive difference the video modes make, i am not going back to overlay mode :eek: moral of the story : get el cheapo radeon, i got my 8500LE flashed to 8500 for like $35 shipped. hope this helps.

oh yeah... and i did some research on this before getting me the vid card... ATi cards > matrox cards (probably except for parhellia) for dvd and 2d video playback. g4xx-5xx cards lack hardware iDTC and x-y interpolation IIRC. Unless you go very high in res, which you wouldnt anyway, the only advantage matrox cards hold over ATi is superior TV-out quality.
 

MadEye2

Senior member
Oct 28, 2004
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VIA/S3G KM400/KN400, yeah?

It runs at up to 85hz at 1024*768 resolution, but only 60hz at 1152*864 upwards
 

Peter

Elite Member
Oct 15, 1999
9,640
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Not true. I've personally seen exactly this chipset run much higher resolutions at high refresh rates.

Besides, the Unichrome is excellent in video applications, thanks to its scaling and decoding hardware. DVD replay on a Duron 750 (!) runs with less than 40 percent CPU load.
 

MadEye2

Senior member
Oct 28, 2004
273
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I can't get any higher than 60 at resolutions higher than 10k*7k on the generic plug and play monitor driver. Is this a limitation of the monitor driver?