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Core 2 Duo E7200 Delid

post #1 of 9
Thread Starter 
Was bored, so I pulled it out and decided to delid it.

This was done using a modification to the vice method. I don't have an actual vice, but instead a bench/clamp thing which is made out of pretty soft wood. When I tried to use the conventional method the wood just chipped away and the package came loose. Instead I fixed a piece of metal between the clamp, so it stuck out just as far as the IHS did, and hammered with the chip loose, only resting against the metal. I don't have any pics ATM for the exact setup, but I should have them later.

Here are some pics after I finished delidding it.




Cleaned stock TIM (absolute crap) off, but rubbery adhesive is a bit harder...






None of the sides of the PCB appear to be damaged


Underside appears to be in relatively good shape. No damage to surface mounts.


Glue cleaned off PCB. I just scratched it off with my nails, it's soft enough to come off easily like that, and you don't risk damaging the PCB.






Glue cleaned off IHS. I tried various methods, including screwdrivers and knives, but the finger nail seems to be the best method. After removing glue, other residue was cleaned using medical alcohol and a non-scratch cloth.


First reseating using CM ThermalFusion 400. Contact appears to be good, but it is hard to tell as I smudged the IHS with my finger when removing it from the PCB.


PCB in socket for reseating attempt #2. Motherboard is an ASUS P5KPL.


IHS secured.


There might be a slight gap between the chip and the IHS, I will have to confirm with thermal testing later.


I do not have any thermal data on the chip from before the delidding, also I have yet to check if the chip is actually working or not. The top of the chip seems to be slightly scratched, but this should not be an issue. If there are still thermal problems I will probably sand down the bottom part of the IHS to lower it onto the die.

I will update this post as I go along, next will probably be the delid method.

UPDATES

Update 1
Edited by GorbazTheDragon - 4/19/14 at 11:08am
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post #2 of 9
Oh boy, i always wondered if these were deliddable. I might have to attempt it on one of my LGA 775 chips.
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post #3 of 9
Thread Starter 
Quote:
Originally Posted by Cyrious View Post

Oh boy, i always wondered if these were deliddable. I might have to attempt it on one of my LGA 775 chips.
http://www.overclock.net/t/1313179/official-delidded-club-guide

There's a list somewhere in the OP. I'm not sure about the Core 2 Quads, but I would not be surprised if these are also not soldered.
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post #4 of 9
Yeah, not exactly going to risk it with my chips since i dont have a vise and block to do it safely, and no razors thin enough to do it (i do have some razors, but they are a bit thick after the blade), but if i could get my hands on another E5300 for a low end chip and another C2Q for a high end chip, Id happily attempt it.
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post #5 of 9
Thread Starter 
Been doing some benchmarking@hwbot.

I've got it stable at 3.23GHz, 340FSB x 9.5 multiplier. Here's temps after a few minutes of P95, this is with stock intel heatsink/fan.

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post #6 of 9
Quote:
Originally Posted by GorbazTheDragon View Post

Been doing some benchmarking@hwbot.

I've got it stable at 3.23GHz, 340FSB x 9.5 multiplier. Here's temps after a few minutes of P95, this is with stock intel heatsink/fan.

Not bad, but surely you can go faster. You definitely have the thermal headroom.
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post #7 of 9
Thread Starter 
Ok, so it maxed at 343 FSB, at 344 it doesn't POST. It's either that I don't have the voltage, or that the northbridge is becoming unstable. The P5KPL has no voltage controls, so until I get another board this will be as far as it goes.

http://valid.canardpc.com/0kcull

If I do get another board for this thing, I'll probably have some pots of LN2 waiting for it biggrin.gif
Edited by GorbazTheDragon - 4/19/14 at 12:23pm
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post #8 of 9
Some of the Core 2 boards had FSB holes where they were not very happy. Sometimes bumping the FSB way up would get you beyond this problem.

For your CPU you could try dropping the multiplier to 8 and then bump the FSB up to 400 MHz. Your CPU can handle the total MHz. Now you just need to see if your board can handle higher FSB MHz.

400 MHz is a good number to use because you can adjust your memory divider to keep your memory running at the proper speed. Bumping the FSB up 1 MHz at a time usually doesn't get you very far.

If you can get your FSB stable at 400 MHz, then you can go back in the bios and bump up the multiplier a notch at a time and have some fun. You will probably need a new board and some additional core voltage before going up too high.
post #9 of 9
Thread Starter 
I have tried the FSB at 360MHz, but it was unstable all the way back down to 343. I'll try dropping the multi a bit, but I doubt that the memory I have will be able to cope with 400 FSB, as the lowest memory divider on the board is 4:5 (667memory @ 266FSB), which would mean that at 400FSB I'd be running the memory at 500MHz, the highest I got the memory at the standard divider (2:3) was 450MHz (300FSB), at 320FSB (480mem) it would not POST.

Also, I think the FSB might be unstable because I can't give it enough volts, I don't know the default voltages, but I doubt it will run any faster than it is right now without adding more, which I can't because there is no BIOS options for voltage.
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