Thank You!
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There is a step by step guide here written by MT-
http://forums.overclockers.co.uk/sho...eadid=17230558
:)
here is a thread where anybody have a vmod on one of the 2 chips like vddq and vddr. perhaps its the vmem ??
http://www.vrforums.com/showthread.p...threadid=14317
But sometimes i think the Vgpu Vmod is for both, GPU and Ram ? Because alot came with higher Vgpu alot higher with the Rams.
Perhaps the 1.35Volts for GPU is the same Voltage for DDR3 Rams??
I have done Vmem mod, at least I think its Vmem, 2.01v default, benched at 2.09v, just upped it to 2.25v and will be benching with it later after trying out the XT mod.
http://www.vr-zone.com/?i=852&s=1
Nice work, thank you!
Have you a little mistake? You write "set at 20K ohms, it will give around 0.8v above default". Do you mean 0.08V? because i will take an 10Kohm for vmem and is that to low?
Yes my mistake thx for the hilight.
10k would give quite a big increase, I suggest 20k.
Damn, all i have is 10k ohm vr's right now.... guess its back to radio shack!
BTW, where should I attach the ground on the vmem mod?
I spoke with a rep at ATI and they are aware of the XT mod and not surprised.
Please do not RMA the cards that were altered and messed up.
Hey Fugger, any chance you could ask the Ati rep how we can flash our bios properly :P
Well the problem I have with that is HE DIDN'T DO THE MOD. I have had conflicting reports of what exactly you did to activate the pipes. One account has you connecting the two pads, while another has you scraping a line from one pad to the other and also scraping the hole between them to expose the copper and connecting all 3 points. So which is it?Quote:
Originally posted by Chris_UK
There is a step by step guide here written by MT-
http://forums.overclockers.co.uk/sho...eadid=17230558
:)
How is it that we have failed at what is seemingly such a simple mod in comparison to what we have done in the past?
OPP, myself and 9 others I know have tried the mod as your posts described it without a single success. Would you please tell us what you actually did?:confused:
OK Storm, I will tell you it step by step :
1. I read this post and saw what blueremy did, I also visited ocuk and got some good advice about flashing the bios and the general gist of how the mod is supposed to be performed and thought id give it a try.
2. I took my card out of the PC, removing the waterblock and laid it on the table.
3. I painted with 'halfords rear heated window repair' from point 1 to 4 as shown here
http://www.andovernaturalproducts.co.uk/800Pins.jpg
4. I rebooted the PC and the pipes were not enabled, hmmm.
5. I read a post by Phero late last night saying he had gotten it working, he said he scraped points 1 and 4 with a scalpel blade to 'brighten' the copper on them, he posted a photo saying he had 16 pipes etc etc.
6. I took the card back out of the PC, laid it on the side again. Got a stanley blade and a magnifying glass and 'very carefully' with the point of the stanley blade started scraping from point 1 to point 4. *NOTE*, this is not what Phero told me to do, but I thought if I made a sort of channel, the conductive paint, which was already all over my sideboard and seemed rather easy to get in the wrong place, may have somewhere to sit and dry without possibly moving to the other points or on a resistor etc.
7. After scraping back and forward a few times, I noticed the 'laser cut (or whatever it is)' in the middle was being scraped away to the point where I could see some copper underneath, and it looked to me like I would be able to apply the conductive paint along points 1 to 4 in the channel I had scraped and it would actually connect over where the laser cut was, therefore 'hopefully' bridging the gap properly.
8. I reapplied the conductive paint with a tiny paintbrush from points 1 to 4 making sure it totally covered the channel I had made with the stanley blade and all parts of copper that showed underneath. Put the card back in the PC booted up, hey presto it showed 16 pipes.
If I was smart, which im not really :) I would of written my own guide but mt's guide seemed to do the job. I understand you have heard conflicting stories, this is because Phero, the other guy who got his pipes working only :
1. scraped points 1 and 4 (not the laser cut in the middle) exposing 'shinier' copper. Im guessing its like taking the top layer off the copper, maybe this makes it a better connection for the conductive paint, im not sure.
2. connected from points 1 to 4 with conductive paint without ever scraping the middle. booted up and he had 16 pipes.
---
This is why youve heard conflicting stories, becasue we both did it a different way. I cant vouch for how blueremy did it maybe he soldered it maybe he used paint or a pen. Seems quite a few other people have tried this or a variation of it and it doesnt work, including a pencil which im not sure would work. Anyhow, none of these people of managed to get it working. I cant explain why especially after Fuggers post, Ati obviously know it can be done and arent surprised so it definately can work, whether it will for every card is another matter entierely, and I cant say one way or another. Im just speaking from my experience with my card. Sorry if this post may still sound confusing to you, im not a website review writer or anything like that, I am also not amazingly savvy when it comes to gpu cores and vmods etc. Im just phrasing it how I know best :)
Remember most of the credit for this goes to other people, I basically just copied and improvised slightly!
Hope this helps m8.......
Chris.
Chris, ATI has led me to believe that not all cards would work. Its a fluke that it works on some cards now. The reason it may not work is because the card failed certain tests and incapable of running at that setting.
So its safe to say now that not all cards will mod to XT
So basically its all the luck of the draw. It explains a few things I guess, like why all the other people who tried havent managed to get it working.....
Hey Chris_UK, when did you purchase your card and who made it?
I bought it on the 19th, its made by sapphire. The other guy Phero who also modded his card lives in the same town as me strangely enough, although we have never met. I think his cards a sapphire as well....kind of a coincedence.....
I'm seeing a pattern here. All 3 successes are Sapphire and all the failures I know about are ATi retail box.
Crap!:mad:
So Chris, are you saying you DEFINITELY bridged the copper in the lasered hole as well as the two pads? You actually tried to make contact??? If so that's probably where OPP and I went wrong and there is still hope.:confused:
Phemo never said anything about insulating the copper that shows through the hole in the center. Maybe he got conductor down there and that's why his worked also. See, we superglued the hole so we wouldn't short to the copper in the center.
If you superglue the hole how are you going the get a connection between the 2 points? you need to get the conducting material through the middle into the 'cut' so it bridges the 2 points, just connecting the points together with pen isnt enough it didnt work for me either :)
everyone who has tried so far with a non sapphire card has failed, so if you have one of these cards its probably not worth the risk. Not too sure about other makes as not many people have them yet :)
thx a lot Chris_UK! thx for explainig it all step by step :toast:
StormPC - Can you get a continuity test between the points with a DMM?
Chris_UK - Can you get one, too?
A continuity test between the points and ground would be good, too, to see if making contact with whats in the bottom of the laser pit has an effect on whether this works or not.
I find it hard to believe that this would work on just Sapphire cards....
well fellas, im worn out with this mod. i have been working on it since 9:00AM this morning, and ive done it every which way it can be done. i have an BBA card, and its not going to happen. i tried using different types of conductive material, wire, soldering, conductive pens(2 different kinds), just cleaning both contacts and using conductive material accross the laser point, then tried making a direct channel with all different types of conductive material.
i tried flashing with x800xt BIOS, tried with different types of drivers as well. nothing works... im calling it quits on this mod. im happy for those that could get it to work. congrats on that. :)
I just tried it one last time your way to be sure. I scraped both points and the hole. I used a toolmakers mic so I could actually see the connections and do the work. Doublechecked continuity as best I could but it's nearly impossible unless you have the worlds smallest probes.Quote:
Originally posted by Chris_UK
If you superglue the hole how are you going the get a connection between the 2 points? you need to get the conducting material through the middle into the 'cut' so it bridges the 2 points, just connecting the points together with pen isnt enough it didnt work for me either :)
Did exactly as you described. OPP did the same thing. I spoke to him by phone a little while ago and we pretty much believe Fugger's assessment of the situation.
I give up. Could it be a driver or bios thing? Should I reflash the bios and reload the drivers? Which drivers? Think it matters?:confused:
the drivers should not matter as far as Ati tool reporting it. even if you use official 4.5's it should report as 16 pipelines, but performance would be lacking. the beta drivers give the X800XT a specific driver path of some sort to follow so without the beta drivers, it will not take advantage of the extra pipelines. also, the BIOS flash is optional. you could very well have a 16 pipeline x800 pro at 475/450 if you like. the BIOS is not needed for the pipelines. the only thing needed to enable the pipelines is the hardmod, and connecting the two contacts.
yeah i checked continuity between the two contacts and i got continuity. i also got continuity between every resistor on the pcb as well LOL so i dont really know what that means.
has anyone tested continuity between the other two dots and the unconnected two?
if anyone trashes their card half dead send it my way :D
so by cutting the second bridge as well you probably end up with 8 pipes no? this would be very interesting to see how the r420 and r3xx compare with the same number of pipes and the same clocks.