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MSI GTX465 Twin Frozr II Golden Edition Owners Club - Page 364

post #3631 of 5083
Quote:
Originally Posted by krazzymoose View Post
well dammit I broke down and ordered another one off of newegg so I could SLI. this is getting quite expensive, but I love it.

Nice performance boost spoolindsm127
Yes, i too was tempted to buy another.. my wife would kill me though. LOL
post #3632 of 5083
Quote:
Originally Posted by mdbsat View Post
I did exactly what you said and it worked. Thanks so much. I wonder what would have caused that. I hope this isn't a warning of things to come...

+rep
Eh. It happens. Just check back in if it happens again.
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post #3633 of 5083
Quote:
Originally Posted by h220wnzj00 View Post
If you are getting temps in the 70's, DO NOT change your TIM. I guarantee if you change to AS 5 your temps will get worse. The stock TIM application on this card is really good and the best you can hope for is the match the temps you had in the first place. Many of us here learned the hard way.
I'm gonna have to disagree. I popped my heatsink off my locked 465 to check the mem chips. Scraped the WAD of compound off and used some compound that came with my Thermalright heatsinks and the temp dropped. The stuff they use is the same generic grey compound everyone uses on cpus, mobo chips, and gpus. It's a thick and "dry" type of compound. I always replace it on everything. The only time I'm cautious is when a heatsink has a thermal pad. Some times it also acts as a spacer. Some times the mounting hardware (screws or pushpins) wont allow the heatsink to get closer. I will be inspecting the memory heatsink on these cards since they use pads.
Edited by Rangerscott - 9/10/10 at 8:52pm
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post #3634 of 5083
Quote:
Originally Posted by Rangerscott View Post
I'm gonna have to disagree. I popped my heatsink off my locked 465 to check the mem chips. Scraped the WAD of compound off and used some compound that came with my Thermalright heatsinks and the temp dropped. The stuff they use is the same generic grey compound everyone uses on cpus, mobo chips, and gpus. It's a thick and "dry" type of compound. I always replace it on everything. The only time I'm cautious is when a heatsink has a thermal pad. Some times it also acts as a spacer. Some times the mounting hardware (screws or pushpins) wont allow the heatsink to get closer. I will be inspecting the memory heatsink on these cards since they use pads.
The type of compound they use is very similar in consistency to Shin Etsu X23. Also very close in color too. I wouldn't be surprised if it was to be honest.

I'm not sure how you did your thermal testing, but when I switched the TIM with AS5, it was +5C, with Shin Etsu X23 it was +1C. These are full load temps in OC Scanner. This was with multiple applications.
    
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post #3635 of 5083
Quote:
Originally Posted by Rangerscott View Post
There's your problem. Since it's not snug, there is a bad contact. The heat can't transfer properly. Go to lowes/homedepot/wherever and get some plastic washers. I think mine are for #10 scews. You can go ahead and replace the compound, but without the heatsink being snug, you're wasting your time and compound.


Yes artic 5 is good. Since a gpu heat spreader is bigger than a cpu heat spreader, I space out two lines of the compound.


Just out of curiosity, how exactly did you determine that these spacers you've incorporated actually increased the contact pressure between your heatsink and core, as opposed to just increasing the surface area of the screwhead that's in contact with the back of the card, thus creating the illusion of increased pressure?

Logically the only way that this method would legitimately 'work' to actually increase pressure is if you determined that the screws are actually too long, and 'bottoming out' at their tip and thus not screwing in all the way previously.

Of course, the end of making it so the heatsink can't move is I suppose a worthy one, but I'm wondering if you actually increased the contact pressure between heatsink and core by doing this?
Edited by brettjv - 9/10/10 at 9:29pm
    
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post #3636 of 5083
Quote:
Originally Posted by brettjv View Post
Just out of curiosity, how exactly did you determine that these spacers you've incorporated actually increased the contact pressure between your heatsink and core, as opposed to just increasing the surface area of the screwhead that's in contact with the back of the card, thus creating the illusion of increased tightness?

Logically the only way that this method would legitimately 'work' to actually increase pressure is if you determined that the screws are actually too long, and 'bottoming out' at their tip and thus not screwing in all the way previously.

Of course, the end of making it so the heatsink can't move is I suppose a worthy one, but I'm wondering if you actually increased the contact pressure between heatsink and core by doing this?

btw I LOVE that quote in your sig hahaha
    
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post #3637 of 5083
Quote:
Originally Posted by brettjv View Post
Just out of curiosity, how exactly did you determine that these spacers you've incorporated actually increased the contact pressure between your heatsink and core, as opposed to just increasing the surface area of the screwhead that's in contact with the back of the card, thus creating the illusion of increased pressure?

Logically the only way that this method would legitimately 'work' to actually increase pressure is if you determined that the screws are actually too long, and 'bottoming out' at their tip and thus not screwing in all the way previously.

Of course, the end of making it so the heatsink can't move is I suppose a worthy one, but I'm wondering if you actually increased the contact pressure between heatsink and core by doing this?


I know it works cause when I first got his card I hardly grab the heatsink and it would move 1/8" or more in any direction. I can now grab the card by the heatsink, shake it and nothing moves.

This took away space. The heatsink "pegs" where the screws go into would touch the pcb board, but the screws only went in so far. So either the pegs weren't tapped far enough or the screws are too long.


I haven't done the shake test on my unlocked one. LOL
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post #3638 of 5083
I can not take it i have two of thies cards an no mobo to put them in \\ case\\ will take me one more month to finish build. I need my cards up dated i havent had a chance to unlock them so i dint know if they unlock so my (N) shood be _ blank .
post #3639 of 5083
Quote:
Originally Posted by Darkwater View Post
I can not take it i have two of thies cards an no mobo to put them in \\ case\\ will take me one more month to finish build. I need my cards up dated i havent had a chance to unlock them so i dint know if they unlock so my (N) shood be _ blank .

Can you see 3 mem chips on each side of the gpu?
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post #3640 of 5083
I have the full on GTX470 TwinFrozr model, but I just wanted to pop in and state that I love this heatsink I'm around 76C @ 825Mhz core in furmark testing at a sound level equivalent to ~70% fan speed on the reference GTX470 (23C ambient)

Great designs are great.
    
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