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Thermal Paste on AMD64

S

s1rlynchalot

n00b
Joined
Nov 19, 2004
Messages
36
Okay, so I'm working with an amd64 for the first time, and I heard that you are just supposed to put a dot of thermal paste (Artic Silver 5 for me ) on the center of it, instead of spreading it around. Is that correct?
 
think more like 2 grains of rice the instructions from AS wind up not covering the lid of a A64
 
SKy042 said:
think more like 2 grains of rice the instructions from AS wind up not covering the lid of a A64
Click to expand...
you don't need to cover the whole lid. a circle in the middle is fine. the core doesn't take up the whole underside of the ihs.
 
Elysian said:
you don't need to cover the whole lid. a circle in the middle is fine. the core doesn't take up the whole underside of the ihs.
Click to expand...
How true this is. I think if everyone who ever asked about how much compound to put on a chip saw a picture of the IHS popped off that it would instantly grant them just a little more insight as to why more is less.
 
Elysian said:
you don't need to cover the whole lid. a circle in the middle is fine. the core doesn't take up the whole underside of the ihs.
Click to expand...

doesn't matter, the core spreads the heat to the IHS you better have it covered in thermal paste. Having only the middle of the lid covered in thermal paste doesn't work so well, the point of the thermal paste is to create maximum surface contact(i.e. thermal transfer) with the heatsource and the heatsink (core > IHS > Heatsink). Your idea is like having fins only in the middle of the heatsink where the core is... that doesn't quite work so well.eh atleast thats what i think. oh well
:p :p

I would definitely put enough to cover the entire lid.
 
Funny I see this thread considering that I had to remove my heatsink and chip today. I put a about 3 rice grains and then TRY my hardest to smooth it evenly throughout the chip. I put some on the heatsink, then whipe it off. Seems to work well.

I got the Arctic Ceramique. MAN it's sticky. and THICK.
 
Elysian said:
you don't need to cover the whole lid. a circle in the middle is fine. the core doesn't take up the whole underside of the ihs.
Click to expand...
yes I'm aware of that. however the entire IHS acts as a conductor of heat so why not cover the whole thing with thermal paste.
Also in the case of dual cores the nickel/quater sized circle the single rice grain creates barely covers a dual core die if it even completely covers it.
 
I had to go buy A bag of rice when I first read the bit about the grain of rice. then come to find out there is shortgrain longrain wild etc.. so I just put a tiny bit on and it served me well. :D
 
I might have put too much AS-5 on mine, bc I own an XP120 Heatsink with 120MM (fan is a coolermaster 700RPM silent fan) attached, rocking like 55C idle :\ gets to 60+ underload.
 
flynlr said:
I had to go buy A bag of rice when I first read the bit about the grain of rice. then come to find out there is shortgrain longrain wild etc.. so I just put a tiny bit on and it served me well. :D
Click to expand...

I'm glad to see that I wasnt' the only person that did that :p

 
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