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Max safe voltage for GTX 470

post #1 of 30
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Within the next few weeks i will be testing to see how high i can clock my 470, and i was wondering whats the max safe voltage for this card?
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post #2 of 30
most are limited to the stock bios max of 1.087v. I was able to hit 860 core on three 470s on water blocks. There are some who have gone a bit higher but you'll need to modify/flash the bios to get more voltage.

edit: waiting for BallaTheFeared with his mighty 470s
post #3 of 30
Thread Starter 
Quote:
Originally Posted by wermad View Post
most are limited to the stock bios max of 1.087v. I was able to hit 860 core on three 470s on water blocks. There are some who have gone a bit higher but you'll need to modify/flash the bios to get more voltage.

edit: waiting for BallaTheFeared with his mighty 470s
In MSI AB i can go up to 1213.

Also what is the average stock VID, mine is .975
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post #4 of 30
It depends on cooling. My 470 has a full cover block and I used to fold at 1.212V (870 core). Mine unfortunately doesn't OC very well and that's all I could get out of it. In order to unlock past 1.087 you have to go with the Grunion bios which is a modified 480 bios I believe. A simple flash worked for me.

Quote:
Originally Posted by Smoblikat View Post
In MSI AB i can go up to 1213.
1.212v for me. I've tried unlocking MSI so that the slider goes all the way to 1.4v but there is a limitation on the actual 470 PCB that prevents you from going past 1.212v on an unmodded 470.
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post #5 of 30
Quote:
Originally Posted by Smoblikat View Post
In MSI AB i can go up to 1213.

Also what is the average stock VID, mine is .975
You bought yours new or preowned? Which make and model btw ?

And yes, that is the average stock voltage for most 470s. I've heard some were a tad bit lower.
post #6 of 30
Thread Starter 
Quote:
Originally Posted by VW_TDI_02 View Post
It depends on cooling. My 470 has a full cover block and I used to fold at 1.212V (870 core). Mine unfortunately doesn't OC very well and that's all I could get out of it. In order to unlock past 1.087 you have to go with the Grunion bios which is a modified 480 bios I believe. A simple flash worked for me.



1.212v for me. I've tried unlocking MSI so that the slider goes all the way to 1.4v but there is a limitation on the actual 470 PCB that prevents you from going past 1.212v on an unmodded 470.
I have an ASUS card, with some sort of voltage thing on it, im not sure but on teh box it gives me some BS about 50% more voltage or somthing like that.

Quote:
Originally Posted by wermad View Post
You bought yours new or preowned? Which make and model btw ?

And yes, that is the average stock voltage for most 470s. I've heard some were a tad bit lower.
Bought it from OCn, it just arrived a few hours ago. ASUS ENGTX470
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post #7 of 30
Quote:
Originally Posted by Smoblikat View Post
I have an ASUS card, with some sort of voltage thing on it, im not sure but on teh box it gives me some BS about 50% more voltage or somthing like that.



Bought it from OCn, it just arrived a few hours ago. ASUS ENGTX470

What does it show on MSI Afterburner? I've never heard of any 470 going past 1.212v without any hard modification. As it is you need a modified bios just to get past 1.087v. My recommendation is to get it on MSI Afterburner and see if you can get the slider to get to 1.212v and work. I know with the unlocked MSI that allows for up to 1.4v it will move the slider past 1.212v but as soon as I click on apply it shifts it back to 1.212v.
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post #8 of 30
Thread Starter 
Quote:
Originally Posted by VW_TDI_02 View Post
What does it show on MSI Afterburner? I've never heard of any 470 going past 1.212v without any hard modification. As it is you need a modified bios just to get past 1.087v. My recommendation is to get it on MSI Afterburner and see if you can get the slider to get to 1.212v.
Here is a pic of MSI AB.

Would it be safe to pump that kind of voltage through my card, if even for a short while to check if its real?

Edited by Smoblikat - 8/15/11 at 10:20pm
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post #9 of 30
Quote:
Originally Posted by Smoblikat View Post
I have an ASUS card, with some sort of voltage thing on it, im not sure but on teh box it gives me some BS about 50% more voltage or somthing like that.



Bought it from OCn, it just arrived a few hours ago. ASUS ENGTX470
Sounds like it might have been flashed. I would first try 1.087v w/ a core of 850. Then keep upping the core 5-10mhz until you need more voltage. There's a few ocn members who are doing 900mhz core with flashed/modded bios.

edit: VW might have a point, could be an error w/ msi ab, reinstall just to be certain that is your bios max voltage.
post #10 of 30
Why would you pump that much voltage without putting any clocks on it? lol. Do as previously stated. Overclock like usual by slowly upping the core mhz until not stable and then up the voltage. If you want to see if it will set to 1.213v then press apply and see if it stays there. At idle it shouldn't do anything wrong to your card at all.
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