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Faulty nVidia GTX 470, Issues. High Temperatures :( - Page 2

post #11 of 69
Thread Starter 
Quote:
Originally Posted by TheBlademaster01 View Post
Oh, okay. I've located the component on the PCB of my cards and it looks like a capacitor to me an SMD one that is (Surface Mount Device). I don't know exactly what the function of that capacitor is but there are only a few purposes for a capacitor in that situation. It could be used to filter certain currents (DC) or frequencies or to store energy. I think this one would be used for filtering some current which would explain the heat while idle (90*C @ load is high but not unusual for a GF100 based chip, but 70*C at idle is high though). Also the size of the capacitor seems to small to store a significant amount of energy.

In any case those are just my thoughts, but it is important to make sure you use the right capacitor. It should have a certain colour or symbol code to indicate the electrical properties of the capacitor. Here's a link that explains how to read them. I don't have that much experience with soldering and building circuits so maybe you should shoot a PM at a volt modder around around here.

Also what voltage is supplied to the GPU when at idle (MSI Afterburner/Everest)?

EDIT:

I've been ninja'd

That's what you get for writing long posts . In any case MightyMission mght be skilled enough to help you out. I'm just an EE student, I can only analyse to a certain degree
Thanks for the help i shall look onto reading them up. But i no longer have the original component so i will never be able to see the specs Unless someone else has a Point Of View GTX 470 and can do some sniffing?
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post #12 of 69
Quote:
Originally Posted by Br0k3nLiNk View Post
Thanks for the help i shall look onto reading them up. But i no longer have the original component so i will never be able to see the specs Unless someone else has a Point Of View GTX 470 and can do some sniffing?
What if I told you that I've got a Point of View GTX 470

I'll take a picture the PCB although I'm not that great at deciphering the code.
post #13 of 69
Sorry Blade!
Link:TIM is the thermal paste,nvidia cards have a years worth slathered all over them,did you put fresh paste on or re-use the existing?
Let's not get overly technical if it is unnecesary,
you may just need to clean off the old paste and put some fresh new paste on.
Be sure to screw the heatsink down properly too..
70c is high and i very much doubt that cap would be the reason for it being so high.
Mine are both non ref models,so i can't say 100% mine will be a match for yours.
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post #14 of 69
I know it's already been explain but I figure I'd post the actual acronym.

TIM is either thermal interface material or thermal interface media.

Blademaster seems to be able to provide a picture for you, but if you believe the lost part is the same as the ones next to it you could just get the information from them as well. Maybe you just meant it was similar but not identical though.
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post #15 of 69
Thread Starter 
Quote:
Originally Posted by TheBlademaster01 View Post
What if I told you that I've got a Point of View GTX 470

I'll take a picture the PCB although I'm not that great at deciphering the code.
Id be happy to have the pictures then trade cards maybe?? haa. I dont mind trying to work things out. But enjoy trying to get a close enough picture of that CAP, its literally 0.5mm long!!

@MightyMission.. Rethermal pasted it and have used AS5, MX-2 and some akasa stuff.. None of these made any difference
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post #16 of 69
Quote:
Originally Posted by MightyMission View Post
Sorry Blade!
Link:TIM is the thermal paste,nvidia cards have a years worth slathered all over them,did you put fresh paste on or re-use the existing?
Let's not get overly technical if it is unnecesary,
you may just need to clean off the old paste and put some fresh new paste on.
Be sure to screw the heatsink down properly too..
70c is high and i very much doubt that cap would be the reason for it being so high.
Mine are both non ref models,so i can't say 100% mine will be a match for yours.
Yeah you're right. I just wanted to make sure the capacitor was okay. I've got both a Zotac and POV GTX 470 with the same capacitor (reference btw). It looks just like the C524 but a lot smaller (just as OP said).

I was just thinking, maybe a BIOS flash would solve his problem. It could be that the IDLE voltage is way to high or that it doesn't downclock.
post #17 of 69
Link:using msi afterburner,what are your pcb temps?
Blade:I'm not trying to take the p155,but c524 is the location for the component and not the measure of the capacitance,if you look around your board,you should see Rxxx too for resistors.
Maybe i miunderstood,sorry if i did.Can you get a multimeter across your cap?

I think GPU-z can show the VID of the different power states.that would be one way to verify if the GPU hasnt been flashed a moody bios/overvolted.
Edited by MightyMission - 8/17/11 at 4:01am
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post #18 of 69
Quote:
Originally Posted by MightyMission View Post
using msi afterburner,what are your pcb temps?
I would like to add that if you could provide a screenshot with MSI Afterburner opened and enabling voltage reading in the settings it would be really helpful.

Still fixing the picture btw

EDIT:


Quote:
Originally Posted by MightyMission View Post
Link:using msi afterburner,what are your pcb temps?
Blade:I'm not trying to take the p155,but c524 is the location for the component and not the measure of the capacitance,if you look around your board,you should see Rxxx too for resistors.
Maybe i miunderstood,sorry if i did.Can you get a multimeter across your cap?

I think GPU-z can show the VID of the different power states.that would be one way to verify if the GPU hasnt been flashed a moody bios/overvolted.
I know, I meant capacitor at spot C524 on the PCB. It looks just like that one but then a lot smaller.
Edited by TheBlademaster01 - 8/17/11 at 4:03am
post #19 of 69
Thread Starter 
Quote:
Originally Posted by MightyMission View Post
using msi afterburner,what are your pcb temps?
I'm not trying to take the p155,but c524 is the location for the component and not the measure of the capacitance,if you look around your board,you should see Rxxx too for resistors.
Maybe i miunderstood,sorry if i did.
I think GPU-z can show the VID of the different power states.that would be one way to verify if the GPU hasnt been flashed a moody bios/overvolted.
I cant use afterburner till about 1/1:30 as im at work. i shall post all that when i am able.

I know i used it jsut to show people what CAP it looked like, that board marking lets u locate it in the picture i may even look through my carpet tonight for the original
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post #20 of 69
I don't know what you know,so if i cover the obvious and you discard the irrelevant we can hopefully fix your GPU
Blade:iforgot about the enabling of voltage logging in AB,good call!
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