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GTX 400 Overclocking/Modding Thread - Page 54

post #531 of 926
Quote:
Originally Posted by Unlucky_7 View Post
I am hoping someone here can help me...

I am using Afterburner to set my clocks and fan profile on startup, however it only sets the clocks, and in order to get the fan profile working I have to manually start Afterburner.

I have set Afterburner to start via task scheduler to stop the UAC warning on startup, but I would love it if the fan profile also loaded.

Any ideas?
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post #532 of 926
Last night I just gave the overvoltage asus bios a try to see where I could get but it looks like my chip was already at its limits.

My previous benching OC was 820/1900 @ 1.087v

I tried as high as 1.21v but at 875/1900. It would freeze midway through 'new calico' every time.

Do you guys think I should attempt higher voltages?

@100% fan and an ultra kaze blowing on it, my kombustor temps are in the mid 60's but 1.25v seems pretty high, even for benching.
    
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post #533 of 926
Is 1.087v stable for GTX 460 in the long run?
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post #534 of 926
I just bought an EVGA GTX-470 sc and have tried to run Smart Doctor (no go)
MSI after burner and EVGA Precision tool latest versions

Precision tool does not show my core clock speeds, neither does MSI after burner

After burner also does not allow for voltage tweaks on my card

This is in windows XP 32 bit, will I need to use a modded BIOS to adjust my voltage
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post #535 of 926
does anybody see the need to flash my GTX 470 SSC to a 480bios, im at stock volts (.987) and my clocks are 800/1600/1800 been stable for weeks now, never any issues, or even turn up the volts and try for more?
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post #536 of 926
Quote:
Originally Posted by BoZo9k View Post
does anybody see the need to flash my GTX 470 SSC to a 480bios, im at stock volts (.987) and my clocks are 800/1600/1800 been stable for weeks now, never any issues, or even turn up the volts and try for more?
Thats one heck of a card you've got there, I wouldn't flash anything. I would "turn up the volts" though and try for 850 or 900. (depending on temps that is)
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post #537 of 926
Just found a pencil mod in CPU (Computer Power User) magazine for the GTX 470. This mod only effects the RAM, but we already have soft-mods for GPU voltage. I am going to try this mod tomorrow and if it seems to work out good I will post a guide with pics. Wish me luck.
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post #538 of 926
Quote:
Originally Posted by Clay333 View Post
Just found a pencil mod in CPU (Computer Power User) magazine for the GTX 470. This mod only effects the RAM, but we already have soft-mods for GPU voltage. I am going to try this mod tomorrow and if it seems to work out good I will post a guide with pics. Wish me luck.
Good luck, this should be fun
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post #539 of 926
I wasn't really clear on the whole bios flashing thing. I have a evga gtx470 so I should be flashing to the EVGA Identifying - 1.21v max. right? and i should be using xtreme tuner hd to flash it? then if it doesn't work use nvflash yes? btw how do i know if its worked?
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post #540 of 926
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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