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Prolimatech Genesis: My experience so far - Page 3

post #21 of 41
Quote:
Originally Posted by Rmerwede View Post
"No, only if you want to send me yours".
What the...

That is so lame. Take pictures of the screws hitting the board thing, good ones, and also show them to Prolimatech support.

If the retailer won't help you, have everything ready to fully show/explain your claim when you contact them.

Sounds like you're going to get nowhere fast with that retailer...
 
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post #22 of 41
Thread Starter 
Yeah, I gave up on them. I will eat the bill if I have to. I wish I had another, newer platform to test it on. I could always sell it if I knew it worked.

So I am looking for another cooler now... One that would go well with the 2 fans I have. Wish I could get a silver arrow on discount w/o the fans lol!

I am sure they are better than mine, but now I have them, and got no place to put them!
post #23 of 41
Quote:
Originally Posted by crashdummy35 View Post
Prolimatech recommends that you DO NOT lap the base of their coolers or the cpu. The base of their coolers are not completely flat and are milled that way so they exert more pressure starting from the center-outward of the cpu ihs, which is slightly convex.

There's a thread around here somewhere where someone lapped the cpu and the base of a Mega and the temps got worse.
No makers recommend or advocate lapping of there heatsinks.

This does not change the fact that two flat surfaces are better than any combination of non-flat ones that could not possibly have been matched to each other.

Contact and temperatures did improve after lapping my Genesis. Indeed I can't think of a single case where lapping didn't improve my temperatures, and I've lapped nearly ever CPU, heatsink, and waterblock I've had in the last seven years or so. Sometimes the benefit was very marginal, but never did it make things worse.

That said, there are people who do not lap surfaces correctly, and doing it wrong could certainly make things worse.
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post #24 of 41
make picture of everything + pictures when you remove the cooler.

genesis should be on same lvl as D14 maybe even 1C better so your temps are really high
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post #25 of 41
Quote:
Originally Posted by Blameless View Post
No makers recommend or advocate lapping of there heatsinks.

This does not change the fact that two flat surfaces are better than any combination of non-flat ones that could not possibly have been matched to each other.

Contact and temperatures did improve after lapping my Genesis. Indeed I can't think of a single case where lapping didn't improve my temperatures, and I've lapped nearly ever CPU, heatsink, and waterblock I've had in the last seven years or so. Sometimes the benefit was very marginal, but never did it make things worse.

That said, there are people who do not lap surfaces correctly, and doing it wrong could certainly make things worse.
True.

That bolded part especially.

Mainly I was speaking to the fact that the Prolima bases are not flat, and not by bad Quality Control, they are made that way. But your points are true and well taken.
 
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post #26 of 41
Thread Starter 
First of all,

Thanks everyone for your support and suggestions!

So I removed the Genesis and this is what I found:







Is is obvious that the bolts are interfering with this heat sink making good contact. The paste was barely spread.

I re-installed the N520 and got:



It didn't break 80c, and didn't even break 75c until the 3rd iteration.

I am not so much disappointed in Prolimatech, as I am in FrozenCPU.com!
The owner is so unprofessional, and could not even acknowledge that there might be an issue with the Genesis. Now I am stuck with a $75 paper weight, since he wouldn't even test it on an LGA 775 like I suggested.

The best thing I can hope for is that Prolimatech reply's to my email with some sort of fix, and sends it to me. Then I might consider trying it again.
I think I have a call to the BBB in my future regarding Frozencpu.com.

Anyway, I'm not here to rant, just to thank you for your suggestions, and to resolve the issue.

Thanks again!
post #27 of 41
I think you should check the base of that heatsink with something more accurate than what you've been using. Use either a precision straightedge or a razor blade. Shine a light from the other side so that you can really see any gaps. I had a noctua nh-d14 that had a concave base believe it or not. It performed worse than my coogage truspirit. I RMA'd for the silver arrow. Seriously, check it with a better straightedge and a flashlight, you may be surprised. If its concave, all of your symptoms make sense.
Edited by breenemeister - 10/15/11 at 3:38pm
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post #28 of 41
Quote:
Originally Posted by Rmerwede View Post
Is is obvious that the bolts are interfering with this heat sink making good contact. The paste was barely spread.
Yeah, that should not be happening, and your heatsink is now damaged. Those pair of heatpipes may not even work correctly anymore, depending on what sort of wicking structure they use.

Did you have the retention mechanism installed to the board correct? Where the bolts wide side down?

Quote:
Originally Posted by breenemeister View Post
I think you should check the base of that heatsink with something more accurate than what you've been using. Use either a precision straightedge or a razor blade. Shine a light from the other side so that you can really see any gaps. I had a noctua nh-d14 that had a concave base believe it or not. It performed worse than my coogage truspirit. I RMA'd for the silver arrow. Seriously, check it with a better straightedge and a flashlight, you may be surprised. If its concave, all of your symptoms make sense.

It's not an issue of base flatness, it's an issue of the heatpipes hitting the retention hardware, damaging the heatsink, and lifiting it off the CPU.

Whether this is a design error, or user error, I do not know, yet.
Edited by Blameless - 10/15/11 at 4:15pm
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post #29 of 41
Sorry to hear of your problems, the genesis was the best aircooler I have used, wasn't a fan of the space it took up but performance wise I couldnt fault it. Am currently water cooling with 480 rad space and temps are only 4° (ambients are a bit higher now) lower under load. Below is a shot of HWMonitor after folding for 10-12 hours, though I did manage to get it to around 48° at one stage.

ps: Was using 2 noiseblocker PK-2's with it, did try thermalright ty-140s but didnt notice much diff so went with NB's as they looked better.


Edited by Krahe - 10/15/11 at 4:26pm
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post #30 of 41
Thread Starter 
Yup, the retention hardware was installed fine. There is only one way this can be installed. It may have worked better if I was able to shift it to the right just a few mm, but you can't. The holes in the base of the heat sink must line up with the horizontal and vertical bars perfectly in order to install.

The user basically has 0 control over the install. The bolts will always stand the same distance above the board because their flat bottom surface is flush against it. I couldn't even add a small spacer if I wanted to make the sink sit lower.

And yes, the bolts were thick side down, even though the thick side is only about 1 mm thicker, if that. The mounting bolts for the 2 side rails are the issue. They are farther apart for 1155/56, and farthest for 1366. If I had one of these boards, the nuts would have cleared the heat pipes because they would be farther from the CPU.

The only thing that would help, would be to make the bolts shorter, or raise the cpu. Possibly making the nuts very flat might had helped as well, but the pipes still might hit the bolts.

Reference: http://www.prolimatech.com/en/produc...id=830#showtab
Edited by Rmerwede - 10/15/11 at 5:39pm
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