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Windows 7: Cooling

04 Jul 2011   #21
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Yes, good thought. I just checked it in the BIOS and it is set at Full On, and it's running at 1939 RPM, which is over 300 RPM past it's rated speed.


My System SpecsSystem Spec
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04 Jul 2011   #22
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

AS5 also takes up to 200 hours to reach maximum cooling. But it certainly won't drop a major amount.

Quote:
Due to the unique shape and sizes of the particles in Arctic Silver 5's conductive matrix, it will take a up to 200 hours and several thermal cycles to achieve maximum particle to particle thermal conduction and for the heatsink to CPU interface to reach maximum conductivity. (This period will be longer in a system without a fan on the heatsink or with a low speed fan on the heatsink.) On systems measuring actual internal core temperatures via the CPU's internal diode, the measured temperature will often drop 2C to 5C over this "break-in" period. This break-in will occur during the normal use of the computer as long as the computer is turned off from time to time and the interface is allowed to cool to room temperature. Once the break-in is complete, the computer can be left on if desired.
The thought is that the cooler isn't seating correctly. Can you manually push down on the cooler while testing to see if there is a dramatic drop in temps?

A Guy
My System SpecsSystem Spec
04 Jul 2011   #23
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

It's seated properly.
My System SpecsSystem Spec
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06 Jul 2011   #24
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

I found this page:

Spire AMD Heatsink Temperature Comparisons - Eclipse II SP984B1-V2 FrostyTech Review

Which has an interesting comparison chart. It makes it easy to compare on the basis of temperature and sound, but one thing I have figured out yet is that since some of the better coolers are so massive, is how to predetermine whether they would fit properly in my rig. It isn't that there isn't enough case space, but the fact that even with my Cooler Master Hyper TX3, there is only ~ 1/2" of space between it and the chipset HS/F sitting next to it. Anything less than that, I wouldn't be able to manage taking the fan off and on with the little wire clip that hold it on. Eyeballing it, it appears that even this cooler would not fit over the HS/F, it it were wider.
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06 Jul 2011   #25
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Due to the size/space considerations that I mentioned, my thinking has turned toward using a water cooler for the CPU, but after looking at some of the ads for the Corsair H50 and H70, which are the only ones that I found that states that they are suitable for an AM3 rig, I still have some questions. Looking at the photos of the hardware that comes with them, I didn't see any attachment that appeared to be designed for an AMD processor. One on the H70 stated that it would require buying the attachment separately from Corsair...is that true of all Corsair water coolers? Is there some other brand that actually includes the proper
attachment?

EDIT: Also, I tried to find a chart that would give actual temperatures with water coolers, something like the one that I linked in post #24, but didn't find it. Anyone know where to find one?
My System SpecsSystem Spec
06 Jul 2011   #26
pparks1

Windows 7 Ultimate x64
 
 

It is my understanding that the H50/H70 will fit an AM2/AM3 layout right out of the box.
My System SpecsSystem Spec
06 Jul 2011   #27
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

This has your current cooler and the H50 as well as other air choices.

Corsair H50 CPU cooler review

Q: Is it compatible with my motherboard and CPU?
A: The first release of the H50 had a part number of CWCH50 and it shipped with Intel 775 and 1366 brackets, AMD AM2/AM3 and Intel 1156 brackets are available separately on our webstore if you need them. The current model of the H50 is the CWCH50-1 and it now includes all brackets (Intel 775, 1156, 1366, AMD AM2, AM3) in the box.

Source

A Guy
My System SpecsSystem Spec
06 Jul 2011   #28
pparks1

Windows 7 Ultimate x64
 
 

Seekermeister,

There is also a possibility that you have "too many" case fans installed in your box. They might be pulling so much air out of the box that you are no longer getting sufficient airflow through your heatsink to pull away the warmer air generated by the CPU. This is further reinforced by the fact that when you turned around your CPU fan, it made things worse. Sucking air through your cooler seemed to work better than pushing it through...which leads me to believe your exhaust fans are pulling the air out too fast for it to effectively cool.

If you can turn down the speeds of these case fans, you might want to try that. I run 2 x 120mm exhaust case fans in my Antec P182. One at the top blowing out, and 1 in the top back blowing out. I leave them on their lowest setting. I run an Intel Q9550 overclocked from 2.83ghz to 3.40ghz on a stock Intel cooler and I've dropped my vCore from 1.25v to 1.175 I believe and I idle in the low 30's and max out around 62-65...which is well within spec on my CPU.

Common sense says, "you can never have too many fans", but the laws of thermal dynamics aren't exactly governed by common sense notions.
My System SpecsSystem Spec
06 Jul 2011   #29
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Quote   Quote: Originally Posted by A Guy View Post
This has your current cooler and the H50 as well as other air choices.

Corsair H50 CPU cooler review

Q: Is it compatible with my motherboard and CPU?
A: The first release of the H50 had a part number of CWCH50 and it shipped with Intel 775 and 1366 brackets, AMD AM2/AM3 and Intel 1156 brackets are available separately on our webstore if you need them. The current model of the H50 is the CWCH50-1 and it now includes all brackets (Intel 775, 1156, 1366, AMD AM2, AM3) in the box.

Source

A Guy
I guess that all of the vendors on eBay are selling the older versions, but it is good to know what to look for. That leaves one thing that bothers me about using these particular water coolers, being the apparent length of the plastic tubes running between the water block and the radiator. They are not long enough to extend through the holes provided in my case, to locate the radiator outside. Even if they were, since the system comes as a sealed loop, it wouldn't be readily easy to disconnect the tubes to run them through the holes.

There are only two locations that the radiator would be able to fit internally with my case, being either to replace the rear exhaust fan, which it would seem that it would block general airflow of the rest of the case, or to replace my 200mm blowhole fan on top, which seems like a waste. If I did put it at the blowhole, that would put the radiator directly above all of the other electronic components, which I would dislike, because of the possibility of a leak, destroying the entire computer. If I go to a watercooled system, I would like to get as much of the system outside of the case as possible.
My System SpecsSystem Spec
06 Jul 2011   #30
pparks1

Windows 7 Ultimate x64
 
 

I think it's fairly rare for the Corsair systems to leak, but it certain can and does happen.

Personally, I don't think I would go for a liquid cooling solution. Seems like an unnecessary risk for many builds. I understand the desire to get temps as cool as possible, but there is a point where effort does not equal return on investment.
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