Yes I understand, how You soldered it.
So You turned it to the end in clockwise?
Yes I understand, how You soldered it.
So You turned it to the end in clockwise?
Vmods - what can possibly go wrong? ©
When i touched the wire coming from FB to VR actually have 99k between FB and GND and must nothing happened(only when start turns VR) , but the card is shut down like a protection thing
E7400@4Ghz,Asus Triton70,2x2gbKingmax@1066,Asus P5Q,ASUS5670,Chieftec 450w,wd 2500AAKS,SEAGATE 360GB,2x120mm fan.
yes i turned it to the end in clockwise.
E7400@4Ghz,Asus Triton70,2x2gbKingmax@1066,Asus P5Q,ASUS5670,Chieftec 450w,wd 2500AAKS,SEAGATE 360GB,2x120mm fan.
No one wanna help me out with the HIS Iceq4 4850 1gb?
any idea ceemic?
E7400@4Ghz,Asus Triton70,2x2gbKingmax@1066,Asus P5Q,ASUS5670,Chieftec 450w,wd 2500AAKS,SEAGATE 360GB,2x120mm fan.
dragubogdan, I don't know; it's pretty strange...
Try bigger VR?
Vmods - what can possibly go wrong? ©
its me mario, please post macro-pictures from PMW area and IC.
Vmods - what can possibly go wrong? ©
Thanks for helping me out, really appreciate it!
So I took these pics with a 8 year old camera thats worth about 3 bucks now. It took 46 tries to get a couple decent pics
Anyway here ya go!
http://s680.photobucket.com/albums/vv166/IR0BI/
I think the last pic is the best btw.
I've been through the last 10-15 pages and have been googling my ass off, anybody got a vmod for the Sapphire HD4850 dual slot thingie? I need it badly, and fast, if there is one already, if there isn't I'll cancel my order.
EDIT: Or am I right when I think this is the 4850 mod: http://www.xtremesystems.org/forums/...postcount=1006 ? It could be the 4870 as well, I don't have any Sapphire cards in front of me right now, so I can't tell really. Appreciate some help on this.
Last edited by Mean Machine; 02-15-2009 at 02:33 AM.
I KNOW MASSMAN DISLIKES YOU.
Competition ranking: Better than the danes in everything I've ever entered.Originally Posted by saaya
its me mario, it should be pin13 to GND. First trace where it heads to find a good soldering point. Measure default resistance between pin13 and GND.
Mean Machine, it should have that most common IC (uP62....) so it's easy to do Vmod...
Vmods - what can possibly go wrong? ©
Great, thanks for the answer. I'm worthless at finding vmods myself, I'll have to start looking in to that.
A Sapphire HD4850 Dual-slot version ordered.
I KNOW MASSMAN DISLIKES YOU.
Competition ranking: Better than the danes in everything I've ever entered.Originally Posted by saaya
With the pencil mod for the non reference sapphire 4870 the vcore went from 1.32 to 1.34 lol
Look at this bull sh*t!
http://www.evga.com/articles/00462/default.asp?gvt=1
me r mad
I can't seem to find the UP6201BQ datasheet anywhere, if anyone could tell me where I'd need to solder the resistor I'd be grateful.
I KNOW MASSMAN DISLIKES YOU.
Competition ranking: Better than the danes in everything I've ever entered.Originally Posted by saaya
Mean Machine, yes I know this datasheet can't be found. But it is basically the same as NX2420: http://ceemic.pri.ee/hardware/datasheets/NX2420.pdf
So pin13 is FB.
Vmods - what can possibly go wrong? ©
mattkosem, nice to know
Vmods - what can possibly go wrong? ©
Thanks!
Just my last idiot question then, before I actually can start feeling like I've thought something right for the first time; just pin 13 to ground with a 100k VR and from there it's the regular stuff?
Sorry, I've just never had to think of Vmodding, since I usually don't really care about the graphics cards.
I KNOW MASSMAN DISLIKES YOU.
Competition ranking: Better than the danes in everything I've ever entered.Originally Posted by saaya
Mean Machine, measure default resistance before moding! The resistance may vary through different layouts.
Vmods - what can possibly go wrong? ©
Last edited by Mean Machine; 02-17-2009 at 10:38 AM.
I KNOW MASSMAN DISLIKES YOU.
Competition ranking: Better than the danes in everything I've ever entered.Originally Posted by saaya
Then 100k VR works fine
Vmods - what can possibly go wrong? ©
Where do you guys find your VR's?
Depends on your country. I myself buy mine from ELFA, which seems to be available in northern europe as a whole.
I KNOW MASSMAN DISLIKES YOU.
Competition ranking: Better than the danes in everything I've ever entered.Originally Posted by saaya
Guys, I just wanted to say: THIS THREAD IS AMAZING!!!!
Thanks to you all, I've just successfully modded both my HD4850s, and they are currently running 770Mhz core @ 1.26v! These were cards that would not even do 660Mhz stable @ stock!
I guess there should be more left to push, so I'm hoping for an 800Mhz, 24/7 setup. I can't believe that 10bucks worth of equipment can make these cards run faster than an HD4870! Both in 3dmark 2006 (22423 points) and Vantage (14914 points) I've currently got the highest scoring system for a Q9550 with 2x HD4850. I had no idea about how to do this mod, but as I have quite some soldering experience, I figured I should give it a go. Thanks to the clear instructions from this thread, there were no mistakes made and as I am watercooling them with a full-cover block, the cards' temps never exceed 45C (for the top card) and 49C for the bottom.
Here's a pic of my mod:
And the cooling:
Is it around 1.30v what most people have needed to get their HD4850 to ~800Mhz?
Oh and my Vantage screenshot:
Last edited by les_paulde; 02-20-2009 at 05:04 AM.
Gigabyte EP45-Extreme with F8 bios
C2Q Q9550 E0 L830B496 @ 4250 Mhz 1.344v (500 x 8.5)
2x 2048Mb G.Skill F2-8500CL5D-4GBPK @ 1000 Mhz
2x Sapphire HD4850 with EK-4850CF
2x 320Gb WD Caviar HDD (1x SATA, 1x IDE) + 1x Samsung Spinpoint F1 1Tb (SATA)
Samsung SH-S203N 20x DVD burner - SATA
Seasonic M12-700W modular PSU
Custom Watercooling: EK Supreme Acetal, Laing D4 pump, 2x120mm rad + 1x120mm rad, 250ml reservoir + red Feser One non-conductive HTL, using 1/2" tubing.
Antec P180B Modded to accommodate WC system.
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