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Palit Non-Ref 580 - Struggling to get past 1.2v?

post #1 of 6
3/29/12 at 2:52pm
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Hi,
I'm struggling to get my non-ref Palit past 1.2v.
I've flashed volt modded stock firmware and tried a different vendors, newer firmware.
Still anything past 1.2v causes the card to, well stop. Grey screen and it takes at least a hard reboot, sometimes a reseat to get everything back.
Ideally I'd still be softmodding to get past this, mostly as I'm wondering what's causing this and the tips for my soldering iron are in dire need of replacement.
Is this OCP kicking in?

I've found a diagram that shows how to disable OCP here (PDF warning) but I'm struggling to relate it to the board I have in front of me from.

Any advice or suggestions would be very welcome.
I can get around 970~980 core at 1.2v so I'm curious to see what I could get around 1.25v 1.3v!
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post #2 of 6
3/29/12 at 9:14pm
1.2 volts seems pretty high. I mean, 1.138 is enough to push mine up to 975. It probably doesn't like being bombarded with that kind of thunder. Not all cards are made equal.
Methuselah
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Methuselah
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post #3 of 6
3/30/12 at 11:39am
You get a colored screen when it overheats/too much volts. So OCP isn't the problem. When OCP happens the screen goes black and in a few seconds comes back on. Maybe your card or PWM is overheating.
But that guide is really helpful for hardmods! But only if you're watercooling or extreme cooling.
And I don't think you're gonna get passed 1.2v with a bios flash.

Edit: Scratch that... you have watercooling eh? So you should be fine hardmoding it. =)
Edited by madness777 - 3/30/12 at 11:45am
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post #4 of 6
3/30/12 at 1:03pm
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Quote:
Originally Posted by lowfiwhiteguy View Post

1.2 volts seems pretty high. I mean, 1.138 is enough to push mine up to 975. It probably doesn't like being bombarded with that kind of thunder. Not all cards are made equal.

Thanks for the reply, I'm not expecting to turn it into a golden card, it's folding stable at 950/2100 with 1.088 so I know it's a good card to a point.
It seems too much of a co-incidence that it stops functioning above 1.2v. If this was excessive voltage I would have expected instability near the limit, or just to straight have killed the card.
Something seems to tripping at anything over 1.2v.
I'm not looking for ridiculous suicide runs, but benching at ~1.3v shouldn't be too much to ask it?
Quote:
Originally Posted by madness777 
You get a colored screen when it overheats/too much volts. So OCP isn't the problem. When OCP happens the screen goes black and in a few seconds comes back on. Maybe your card or PWM is overheating.
But that guide is really helpful for hardmods! But only if you're watercooling or extreme cooling.
And I don't think you're gonna get passed 1.2v with a bios flash.

Cheers for the info, it's a grey screen, so I'm not sure what to make of it. That it's giving any output seems strange, I'm hoping that could somehow be an indication of what's causing this.

I've tried with pwm disabled and enabled via fw flashing but with no difference.
It's looking good temp-wise, there's 2 AP30s blowing on the backplate when benching for the VRMs and the core hasn't exceeded 60c

I know I can't get much further than 1.2 with flashing - there's even only one step above it, 1.213v. This .013v is enough to trip the card, like I said, it seems too much of a coincidence at this voltage.
This is why I'm hesitant to hardmod it, if I can't exceed 1.2v now without knowing what's causing these issues hardmodding it may be redundant.
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post #5 of 6
3/30/12 at 1:22pm
Well My 470 for example worked fine till it hit 70°C @ 1.2v, just like with this 570. When I hit ~30°C @ 1.45v it crashes. So temps might be your problem.
If you're up for hardmoding, try the OCP mods and this first:
NVVDD enable
• Remove location SR98
– It can break GPU thermal shutdown.

Maybe these will work.
And make sure it's the same PCB. Palit and Gainward should be but check to be sure.

Still... There are other people here that can give you more info than me. I'm just telling you this from what I know and what I think should work.

Good Luck!thumb.gif
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post #6 of 6
3/30/12 at 1:40pm
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Quote:
Originally Posted by madness777 View Post

Well My 470 for example worked fine till it hit 70°C @ 1.2v, just like with this 570. When I hit ~30°C @ 1.45v it crashes. So temps might be your problem.
If you're up for hardmoding, try the OCP mods and this first:
NVVDD enable
• Remove location SR98
– It can break GPU thermal shutdown.
Maybe these will work.
And make sure it's the same PCB. Palit and Gainward should be but check to be sure.

Still... There are other people here that can give you more info than me. I'm just telling you this from what I know and what I think should work.
Good Luck!thumb.gif

Thank you for the help! +Rep to you

This makes sense, before it was wet I had similar issues. This is happening at idle temps (23°C) with forced voltage.
They are identical =)
I'll consider it, I'm still unsure. Maybe once I get paid I can tempt fate a little more if there aren't any other thoughts for this.
Edited by stonetrap - 3/30/12 at 1:50pm
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