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Graphmaster Gerbil
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c2d e6550 and giga g41 mobo OC

Fri Jun 14, 2013 6:37 pm

Just wondering if anyone has experience OCing these things??

First c2d I ever owned, was given free to me with parts, mobo was toast, but I just bought a GA-G41MT-S2PT rev.2.1 (55 bucks free shipping) with the G41 chipset. ... id=4084#ov

I have ddr3-1600, but I think its auto clocked to 1066mhz.

Basically just want to see if I could get it to 2.8 Ghz, from my limited understanding that would mean getting the bus from 333 mhz to 400mhz since the multiplier is 7x.

I have dedicated video card, so that should help reduce the load on the NB, but I read around the net that the G41 doesn't have much luck going of 350mhz.

Does anyone have any experience in undervolting this cpu?

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Re: c2d e6550 and giga g41 mobo OC

Sat Jun 15, 2013 1:29 am

My old C2duo would overclock somewhat, I was able to take it from 3.0 to 3.4. I wouldn't go much above that even with extreme voltages and took 1.5ish to stay mostly stable at that. Mine wasn't too good, and it all depends on how lucky you get. As long as you have good cooling you can give it some voltage, just don't overdo it if it starts heating up like crazy.
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Re: c2d e6550 and giga g41 mobo OC

Mon Jun 17, 2013 11:46 am

Usually 65nm Conroe-based Core 2 Duos would go to around 350MHz FSB with stock cooling (at least this is what I've managed with an E6600 and stock cooling), so your particular model with a high FSB and low multiplier is not ideal for overclocking. That said, I have managed to get an E6750 (stock was 333x8.0 = 2666MHz) to around 3.4 GHz, which would mean an FSB of around 425 ( with a high-end mobo and cooling though). I would not recommend a voltage above 1.40 with stock cooling. As for undervolting - it will make the most sense at stock speeds - go as low as you can at small steps while testing for stability in between. Also, overclocking these chips highly depends on their revision. A G0 stepping is newer than E2 and E3 and is significantly better for overclocking (you can check yours in CPU-Z). All things considered, the most you can expect out of this CPU with this mobo is in the FSB 400ish range (keep in mind that G41 dosen't even support 400MHz officially), so you decide if it's really worth it. :)
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