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post #561 of 926
Quote:
Originally Posted by Clay333 View Post
Ok, just got done with the pencil mod and my first impression is that it works great! I have my memory set to 2150MHz right now (still raising it) testing with OC scanner with "unlock power draw" check and it seems stable. Just to show what a difference this makes my memory was capped at around 1960MHz. The default voltage on my mem was 1.53v and I raised it to 1.62v. I have my card underwater so anyone planning to do this mod on air may want to keep it around 1.6v or less.

Instructions for the mod:



Also 1 more time watch your voltage as soon as you turn the rig on!! I can not stress that enough!
i think maybe its best way to do this mod(or any pencil mod)
read default volts of ram while booted .then turn off rig and measure resister..say its 615 pencil lightly \\ then measure again not going more then 020 lower.boot rig and measure ram volts.
then you know how much each decrease in resistance will add to your ram volts.
1.58ish for me is good for 2150 ish will try for more today.
no need for much higher volts then 1.59 or so.
post #562 of 926
Quote:
Originally Posted by Couch Potato View Post
OK, so I got EVGA's e-leet program and it allows me to up the volts to 1.375 or 1.395 I don't remember. I tried 1.3v with 950/1900/2200. I was able to play COD W@W for 1 hour but when folding it crashes.
I did not use a modded bios.
I only seem to get stable at 850/1700/2200.

Do I need the unlocked bios?
Any suggestions on settings and volts?

My temps were maxed out at 45c, yes on water. GPU is in sig.
You used 1.3v for 950 core? That's probably what mine would need.
Did you have a high vid?

For folding, try backing it down to 900 core. That is about all the better I could get for 24/7 folding. Volts for that, you could try around 1.225 and see how it does. Keep the memory at 2200; it seems like a pretty stable spot to keep it. You might be able to push it to 2300, but I am not sure that will effect folding much.



I have a 480 SC and it just doesn't seem to OC like some of the regular 480s people are getting
I had hoped the SC and FTW cards would be better...
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post #563 of 926
Quote:
Originally Posted by chatch15117 View Post
yes
awesome. thank you
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post #564 of 926
Quote:
Originally Posted by k4m1k4z3 View Post
You used 1.3v for 950 core? (yes but GPU-Z showed 1.25v) That's probably what mine would need.
Did you have a high vid? (I don't remember, at work now)

For folding, try backing it down to 900 core. That is about all the better I could get for 24/7 folding. Volts for that, you could try around 1.225 and see how it does. Keep the memory at 2200; it seems like a pretty stable spot to keep it. You might be able to push it to 2300, but I am not sure that will effect folding much.( with the e-leet volts set to 1.3 I couldn't fold at 900 nor at 875. only seems stable at 850)



I have a 480 SC and it just doesn't seem to OC like some of the regular 480s people are getting
I had hoped the SC and FTW cards would be better... (Agreed)


EDIT
BTW E-LEET also has a pwm control, it is set at 400MHz and I can increase it by 5 MHz at a time. Any Idea what this affects?
Edited by Couch Potato - 7/26/10 at 3:02pm
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post #565 of 926
"Yes but GPU-Z showed 1.25v"
Yeah, its like v-droop for GPU. At first its higher, but then when you set the GPU under full load, it drops down.
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post #566 of 926
I was Goggling Pencil mod GTX 470 and found one for the Vram
GTX 470 VRAM pencil mod
Gonna give this a try

If already posted feel free to burst my bubble
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post #567 of 926
Quote:
Originally Posted by slickwilly View Post
I was Goggling Pencil mod GTX 470 and found one for the Vram
GTX 470 VRAM pencil mod
Gonna give this a try

If already posted feel free to burst my bubble
heh, this is what the person posting at the top of the page is talking about. It was posted in this thread a few days ago....

Quote:
Originally Posted by Clay333 View Post
Ok, just got done with the pencil mod and my first impression is that it works great! I have my memory set to 2150MHz right now (still raising it) testing with OC scanner with "unlock power draw" check and it seems stable. Just to show what a difference this makes my memory was capped at around 1960MHz. The default voltage on my mem was 1.53v and I raised it to 1.62v. I have my card underwater so anyone planning to do this mod on air may want to keep it around 1.6v or less.

Instructions for the mod:

note: I nor CPU magazine will take any responsibility if your card is damaged or bricked by doing this mod. Also DO NOT attempt this mod with out a trustworthy multimeter or volt meter on hand, the voltage raises pretty quickly when graphite is applied to the resistor.



1. Get default voltage from the single prong in the picture.

2. Clean the resistor with alcohol and lint-free cloth.

3. Draw lines back in forth on the resistor (it took me about 8 back and forth lines to get it right.

4. Turn on PC and check voltage on the prong again right away (Be sure to do this as soon as you turn the computer on because I at one point during the mod had my voltage reach 1.86v...WAY too high!)

Before doing this mod I also STRONGLY suggest you read the whole article from CPU magazine.

Link to CPU mag

Click the link and got to August 2010 issue. The article is on pages 34-36. Good Luck guys and be careful.



Also 1 more time watch your voltage as soon as you turn the rig on!! I can not stress that enough!
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post #568 of 926
Ya I saw clay333 separate thread he started about that and followed the link to this thread but I did not see a pic or an explanation on how it was done.

But this is a repost not like a patent infringement or copy right violation

(edit)
I just measure my vram volts stock for my sc is 1.527
Edited by slickwilly - 7/26/10 at 4:52pm
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post #569 of 926
just using the MSI Afterburner tool my first OC
had about 11% improvement in the GPU score.

Memory Clock (MHz) is maxing out at 1925 at 1087mV for me.. Still pushing the Shader Clock


Edited by Zenophobe - 7/27/10 at 7:56pm
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post #570 of 926
What screwdriver should i get to open it up?
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