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E8500s deliberately not flat ?

Buckster

Buckster

Buckster

Soldato
Joined
20 Aug 2006
Posts
9,779
I have a new E8500 ...

and the edges look like they are bevelled - with the CPU looking up the left hand side and right hand side edges are lower than the main part of the ICH

but symettrical like it is deliberate

looks like its bevelled ..
 
see photo here:

see the right hand edge as the photo makes that side obvious - looks like its got a deliberate bevel ?

identical the other side

my 2180 and Q6600 don't have this ?

e8500.jpg
 
don't look good does it !

presumably as centre is higher than edges it'll probably be ok temps wise ?

or should I not even bother installing heatsink and send it back ?
 
Looks normal to me. Remember that the standard, round base, on the Intel heatsink will not be affected much by the edges anyway. This is why some people lap their CPU's when fitting a square based after market cooler.
 
the edges are beveled, doesn't affect the cooling...the surface is still flat. All 45nm chips I've encountered are like this.
 
ready for lift off !

1 1/2 hours to take out mobo and put in scythe mini ! wow those pushpins were tight !

of course when I went to take the mobo out one of the spacers started unscrewing as well that was a pain

:)
 
well 4 gig seems non-stable - but I only have a mATX board so could be that ...

3.8 gig I'm at 1.20 gig load CPU-Z and the temps are really surprisingly low - 53C load accoring to real-temp and thats with a passively cooled Ninja Mini - so not bad at all really :) further experimentation required
 
I was having temp issues with this 8600 so i reseated the h/s but that didnt help so i decided to go further .

I could see the big dip in the middle of the chip so i decided to lap it so it would mate better to my zalman cooler .

Heres what my new e8600 looked like after removing the first layer of nickel plating with some 600grit .

Those gouges you see in the center of the chip are not from me and were right under the nickel surface.

You can really see the bevels on the chip once you get into the copper .

It took me 30 minutes or so to get it flat using 600 - 2000 grit paper .

E8600.jpg


After lapping the chip to a mirror finish i still cant keep this chip stable over 4.3ghz because the temps get into the 70's at 1.4125 volts . :mad:
 
Cooler?

What cooler are you using zoomzy and have you lapped the base of that as well or just the cpu?

Remember thermal material can take a few days of use to bed in - you will probably shade another 2-5 degrees off.
 
Unless I'm mistaken you've got a chip that runs 4.3Ghz under air cooling and you're unhappy that it doesn't do more? What are you actually expecting it to do?
 
ZoomZ said:
After lapping the chip to a mirror finish i still cant keep this chip stable over 4.3ghz because the temps get into the 70's at 1.4125 volts . :mad:
Click to expand...


Well....Yeah, the thing isn't designed to run at 4.3Ghz...I do hate it when people complain they're chip doesn't overclock, if it was meant to run at that speed, it would run at that speed from stock.

And do you blame it for being hot with those volts flowing through the thing? Chrikey :p
 
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