X800 Pro to XT softmod

junco

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I'm considering buying an ATI card... I currently have a 5900 FX Ultra and it's only DX 8.1... I want dx9. So.. I read about this mod you can do to x800pro VIVO cards to flash them to XT.. Anyone try it? it work? Which VIVO card is the best to buy? Anyone know where I can figures on what has the highest success rates? I was about to get a Sapphire but then someone on IRC told me they have low success rates for bios flashing, but I can't find any info on this anywhere on the web. Links? Advice? Help? Thanks.
 
Here is hat's up with VIVO flashing. ATI is having relatively good yields on the X800XT (which includes X800XT PE) cores, however, they are having a really difficult time getting a hold of the memory chips to get to such a high memory clock rate.

Since they have so many, they started putting some of them in a X800 Pro's VIVO and disabled 4 pipes. With a soft-mod you can unlock those 4 extra pipes.

There is a catch. There is no guarantee that the VIVO you will get will have a X800XT core. Even if it has a X800 XT core, some of the pipelines may have been damaged. So if you did unlock, you would experience texture corruption. That is why there is not a 100% success rate.

I personally don't recommend doing things like that. Than again, I don't like taking risks when it involves $400 (even though any problems encountered are reversiable). ;)
 
I read about this a couple of weeks ago and decided to try it myself last week.

After reading that Powercolor and Connect3D cards had the highest success rates for both unlocking the extra four pipelines and overclocking to XT PE speeds, i decided to go for a Connect3D X800Pro VIVO. (btw i've also heard that Sapphire cards have only around a 50% success rate)

Once i got it home, i had absolutely no problems in first flashing the bios to an X800Pro VIVO with the full 16 pipelines (bios' here ), then tried overclocking with this bios using ATi Tool. Once i'd established that i could easily run the card at XT PE speeds (520/560 core/mem) - after running the card at these clocks in ATi Tool overnight (with no artifacts), i then re-flashed the bios to the X800XT PE bios - i've had no problems since, everything works fine and i've saved myself quite a few ££££'s !! :thumbs:

Try these links,

i'd recommend these instructions

or you could try these

checkout this thread for other peoples experiences

Happy modding. :cheers:
 
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