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Thermal Paste Required?

post #1 of 18
Thread Starter 
Hey guys, I have a quick question. I am helping a friend replace a bad motherboard this week so we'll be switching all the other hardware over from the old to the new one and I was wondering if thermal paste must be applied to the processor/heatsink once it's switched over?

We didn't order any with the mobo and don't have any handy so I'd like to find out before we give it a shot.

He hasn't and doesn't plan on overclocking and his processor is an AMD Athlon XP 2600+ I think or something in that series. It's clocked at 2.1GHz I believe. It has the stock AMD Fan/Heatsink cooling it currently.

Thanks!
post #2 of 18
Yep.... you'll need to apply some thermal paste.
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post #3 of 18
no you dont have too apply it if you plan on getting a new processor 15 min after startup if your lucky. lol. always use new paste.
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post #4 of 18
YES you need it! I just did a test, using a lapped Q6600 and a lapped Fuzion waterblock. My idle temps with no paste were 35C. I put paste on, and it dropped the idle temperatures by 8C, and dropped my load temperatures by 15C. DEFINITELY use it. If it did that much for a water cooling setup, it would do wonders for an air cooled setup.
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post #5 of 18
Thread Starter 
Quote:
Originally Posted by winginit View Post
Yep.... you'll need to apply some thermal paste.
Will switching the processor and heatsink out to the new motherboard make the thermal compound that's already applied useless? My friend's been needing a new motherboard to fix his computer's random restarts for month's now. I would hate to make him wait another 3 days and spend more money.

I've never actually applied thermal grease either since my heatsink came preapplied. For the same reason I don't have any thermal paste of my own. I do have the retail AMD heatsink that came with my socket AM2 Bisbane. I am guessing if it has thermal paste applied the heatsink won't fit the socket a processor?
post #6 of 18
Whenever you pull 2 components apart that had thermal paste between them, they must be cleaned and reapplied with thermal paste. ALWAYS!

PS: When I built my first computer, I took my HSF off of my CPU. I didn't have any extra thermal paste with me, and I didn't think it was important to change it. I don't think it was important to change it, because my temps didn't really go up lol

I was using the stock AMD thermal pad, btw.

idk what the moral of that story is... But the general consensus is to always replace the thermal material. I always do it now.
post #7 of 18
Quote:
Originally Posted by cbosdell View Post
Will switching the processor and heatsink out to the new motherboard make the thermal compound that's already applied useless? My friend's been needing a new motherboard to fix his computer's random restarts for month's now. I would hate to make him wait another 3 days and spend more money.

I've never actually applied thermal grease either since my heatsink came preapplied.
Check radioshack for AS5.
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post #8 of 18
Quote:
Originally Posted by cbosdell View Post
Will switching the processor and heatsink out to the new motherboard make the thermal compound that's already applied useless? My friend's been needing a new motherboard to fix his computer's random restarts for month's now. I would hate to make him wait another 3 days and spend more money.

I've never actually applied thermal grease either since my heatsink came preapplied. For the same reason I don't have any thermal paste of my own. I do have the retail AMD heatsink that came with my socket AM2 Bisbane. I am guessing if it has thermal paste applied the heatsink won't fit the socket a processor?
If there's still old thermal paste on the CPU or heat sink that you switch to, use it. A bit of thermal paste is always better than no paste at all. But it is recommended to reapply.

And Radio Shack sells Arctic Silver 5 for $10.

Quote:
Originally Posted by Sonic View Post
Check radioshack for AS5.
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post #9 of 18
Quote:
Originally Posted by cbosdell View Post
Will switching the processor and heatsink out to the new motherboard make the thermal compound that's already applied useless? My friend's been needing a new motherboard to fix his computer's random restarts for month's now. I would hate to make him wait another 3 days and spend more money.

I've never actually applied thermal grease either since my heatsink came preapplied. For the same reason I don't have any thermal paste of my own. I do have the retail AMD heatsink that came with my socket AM2 Bisbane. I am guessing if it has thermal paste applied the heatsink won't fit the socket a processor?
I don't know if the AM2 cooler will fit properly, but i would say it's worth a shot anyways. As for the actual application, just put a small dollop of paste on the middle of the CPU, or spread a thin layer on the cpu's surface, it's up to you.

Worst case scenario, you can use ketchup. For short term use, it's almost as good as the stock paste...
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post #10 of 18
You'll need it. Believe me. I've tried to boot up a PC without it, and it wouldn't even boot because the CPU temp was too high.
 
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