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Quick grease question

J

jfharper

Limp Gawd
Joined
Mar 25, 2005
Messages
166
I'm replacing the motherboard in my Dell Precision 670 WS, and when I removed the dual xeon 3.6 cpus, I pulled on the heatsinks and each cpu came out along with and stuck to the heatsinks...even without unlocking the cpu mount. I thought they might go back in the same way, but it looks like I'll need to do it the proper way, meaning unstick each cpu from the heatsink, unlock each cpu mount, place the cpu in and lock the mount, then put the heatsinks back on which are held by a nice plastic dual snap on each side.

So here is my question, would you use the existing heatsink grease, meaning not put any new stuff on, just use what is on there when placing the heatsink back on? Or scrap the old stuff off and put new grease...I think I have some Artic Silver left from some previous builds.

If you would scrap off the old...how clean does this need to be before I put new stuff on...meaning does different types of grease not like eachother and may react, form bubbles, etc.

Any advice would be great...thanks.
 
Personally, I always clean off the chip and heatsink with rubbing alcohol, make sure it's all clean and dry, and apply a new "coat" of grease. Not sure how well AS will like the alcohol... you might need something more specific to remove it well.
 
Always best to take the old stuff off with some heatsink paste removal fluid, then up to you what thermal paste you use, I have Arctic Ceramique left over from almost five years ago still one of the best on the market, could use CX-2 if you want, that's one of the best on the market as well.
 
Thanks...the rubbing alcohol worked well on removing the old paste Dell used...don't know what it was...I'll check to see of AS is incompatible with xeons...thanks.
 
OK, actually, I am using AS 5 and AS's website has a disclaimer:

Caution:
We do not recommend using Arctic Silver 5 on the older slot type Intel Xeon processors with large multiple square inch CPU to heatsink interfaces. The huge contact area and large gaps between the processor and the heatsink require a thermal pad or thick mesh-reinforced paste. Arctic Silver 5 can be used on socket type Xeons without a problem.

So what do I have...slot or socket? They are 3.6 GHz, bought in 2005...could someone help me figure out if I have the "old slot type" or "socket type" Xeons with a description? Thanks for any help...again.
 
OK...is slot like a PCI slot or Memory slot and socket would be a bunch of pins on one side of the chip that goes into holes with a locking mechanism?
 
Nevermind...I found it on wiki...slot looks like a PCI or Memory slot, and socket is a bunch of pins that go into the "socket" and lock with a lever...I'm good...AS 5 should work well.
 
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