Thermal grease

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marvel · #1 Post by **marvel** » Sat Mar 31, 2007 1:56 am

Hi there!

Cutting to the chase:

How much thermal goo do you apply? Read around on the net and all are saying as thin and evenly spread as possible. What happens is it´s too much? The CPU getting too hot?

//Michal

ronbo613 · #2 Post by **ronbo613** » Sat Mar 31, 2007 9:42 am

I usually use Arctic Silver 5, a dab a little bigger than a grain of rice is usually enough. If you use too much, it will ooze out the sides and goo up your mobo around the processor socket.
Before I install the heat sink, I usually clean the surface with alcohol.

Turbo Audi · #3 Post by **Turbo Audi** » Sat Mar 31, 2007 2:26 pm

I use AS5 as well. Once I order a new HSF I will clean the top of the CPU and reapply a small amount. (Desktop)

marvel · #4 Post by **marvel** » Sat Mar 31, 2007 3:00 pm

Well, I use some no-name brand called Balance Stars - Stars 700. It uses 10% Metal oxide compound (silver and maybe something else). Its thermal conductivity is >7.5 W/m-k and thermal resistance is <0.06 degCel etc.

Honestly I don´t know if that´s good or bad. after reapplying and cleaning the CPU and fan (it was far too much

) my CPU stays at 43 degC with wireless browsing, mediaplayer and Outlook2007.

I think this seems fine, but if Arctic can lower the temp significantly, I´m ready to reopen my T40p.

Thanks for the comments, BTW!

Cheers //Michal

Turbo Audi · #5 Post by **Turbo Audi** » Sat Mar 31, 2007 3:38 pm

I wouldn't bother.

#6 Post by **Kyocera** » Sat Mar 31, 2007 5:33 pm

There has to be many posts relative to this topic (I know because I have posted in them) in almost every forum topic, recently the t4x, the R series, just use the search button. The exact process on how to install arctic silver is available via pdf and is almost word for word what ronbo wrote.

heres one: http://forum.thinkpads.com/viewtopic.php?t=39293

marvel wrote:I think this seems fine, but if Arctic can lower the temp significantly, I´m ready to reopen my T40p.

turbo wrote: I wouldn't bother.

Totally agree, just monitor your temps with NHC. And marvel what machine do you have? If your in the 40's on your CPU you have no problems, I upgraded my R52 processor and am still in the 40's, there was no initial break in period, just cool fast performance.

marvel · #7 Post by **marvel** » Sun Apr 01, 2007 4:05 am

Thanks Kyocera! Video is great.

ronbo613 · #8 Post by **ronbo613** » Sun Apr 01, 2007 10:01 am

Once the CPU/heatsink gets broken in, you can expect a 1-2C temp decrease with Arctic Silver 5. Not worth taking everything apart. Probably get the same temperature drop by cleaning the dust out of your system.

Thermal grease

Thermal grease

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