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My custom North Bridge cooler

post #1 of 8
Thread Starter 
I was building this rig for a friend, but it has no dedicated GPU, but it does have integrated ATI 2100 in the North Bridge (760G Chipset). The bios will allow me to overclock the iGPU up to 600MHz from the stock 400. Well, it gets above 90C if I do that. But when overclocked, I pointed a delta fan at it on an open bench setup, it stayed cool, and overclocked it played crysis at 800x600 low settings at playable FPS. But, that was with 515MHz overclock. So, I made this cooler to get 600MHz out of it.

P.S. I am by no means a modder, and sorry about the pictures, my room has awful lighting, and I'm not that good with photography.

450

450

^ Notice how the Aluminium heatsink lays right over the PCI-E slot, and the small copper heatsink rests on the PCI slot. I didn't even plan that, but it works, perfectly too. So I'm happy.

450

Dropped NB temps about 20C, now to get overclocking.

I need to find a good spot to mount a small fan, that should help significantly. I'll report back here after I'm done and have overclocked.
Edited by White Fire - 1/27/12 at 9:24am
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Red Thunder
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post #2 of 8
Thread Starter 
Alright! The results are in.

Test bed:
Gigabyte MA-74GM-S2 motherboard
AMD Agena 9550 Quad Core CPU 2.2GHz @ 2.35GHz
4GB Kingston DDR2 800MHz
ATI Radeon 2100 (integrated, junk.)
Some older 100GB IDE HDD

The test were done in Crysis at: 800x600, No AA, Fullscreen, all low settings, and DX9

At 400MHz, it averaged 18FPS
The minimum was 8FPS
And the Maximum was 30FPS

The highest stable overclock I could get was 550MHz, so that averaged 24.6FPS
Minimum was 20FPS
Maximum was 32FPS.

So not bad.

Also, the previous stock cooler kept it at stock clocks, 76C gaming, 550MHz, 95C gaming.
With the new cooler, it is 58C gaming at stock, and 67C gaming at 550MHz. So overall it improved alot, even though it is extremely ghetto.
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Red Thunder
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post #3 of 8
Nice job. thumb.gif
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post #4 of 8
Thread Starter 
Thanks.
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post #5 of 8
20 degrees? DAYUM. Very nice thumb.gif
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by derickwm View Post

20 degrees? DAYUM. Very nice thumb.gif

I know, right? My open bench setup let it fall almost 30C, but that was with a fan.
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post #7 of 8
Quote:
Originally Posted by derickwm View Post

20 degrees? DAYUM. Very nice thumb.gif

This. Very very very nice little mod you did there. Ghetto..? Who cares. Have a look in the Ghetto Shenanigans Thread thumb.gif That's just how we roll around here....
 
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post #8 of 8
Thread Starter 
Quote:
Originally Posted by crashdummy35 View Post

This. Very very very nice little mod you did there. Ghetto..? Who cares. Have a look in the Ghetto Shenanigans Thread thumb.gif That's just how we roll around here....

Lol. You should've seen my side window mount. Duct tape and a fan. Thats all it was haha

The making was easy.

1. Take the stock cooler off the motherboard (duh lol)

2. I put pennies in between the small fins on the stock cooler.

3. I took the big aluminum heatsink and jammed it into the fins of the stock, and made sure the pennies had good contact with the side.

4. I screwed another little copper heatsink onto the side

5. Put it back on

Done. It was really easy
Edited by White Fire - 1/28/12 at 7:15am
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Red Thunder
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