Useful to upgrade within Core i7 9xx series?


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I set the BLCK to 160 and the CPU ration on 20, the rest all default values.

I performed an IntelBurnTest and no problems here  :).

 

Looks kinda good @ 3.2GHz 

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I set the BLCK to 160 and the CPU ration on 20, the rest all default values.

I performed an IntelBurnTest and no problems here  :).

 

Looks kinda good @ 3.2GHz 

:D So you didn't even add any voltage? If you didn't.. you can take that chip maybe even to 4.0Ghz with just a few bumps of voltage for your DRAM and vcore

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fusi0n, on 23 Jan 2015 - 17:01, said:

:D So you didn't even add any voltage? If you didn't.. you can take that chip maybe even to 4.0Ghz with just a few bumps of voltage for your DRAM and vcore

 

I guess/think I'm fine with this speed. At least for now :rolleyes:

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I think when I was overclocking mine, I hit a brick wall at 3.4GHz where I needed to up the vcore considerably in order to get stability. At first I only had a single slim 240 radiator internally mounted in a LL v351 case and it couldn't keep up with my 4GHz overclock without the water temp getting too hot and the CPU temp getting in a runaway heat condition until it hit the thermal limit. It took about 2 hours of gaming to do so, and then I upgraded to a Fractal Design Midi R2 with (2) Magicool Extreme 240 radiators. Now the water temps never go above 40C. I have inlet and outlet nozzle temperature probes off the CPU barbs to keep an eye on it.

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I'm going to have to read up on overclocking the Xeon chips as I'm in the market for a new PC.  Thanks for the heads up y'all.   

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I'm going to have to read up on overclocking the Xeon chips as I'm in the market for a new PC.  Thanks for the heads up y'all.   

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...with the default multiplier of 21x (instead of 20) now I'm on 3360 MHz :D

Rest of BIOS default values, running stable for/during the weekend and today :)

Awesome man! Keep it up!! Those i7s OC really well!

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My upgrade is in the signature, the former pc was Core i7 930 (Socket 1366) so I had to change motherboard and ram, the former Gfx card was ATI Radeon HD 6970. I wanted a new Gfx card and because I already had a 480GB SSD and wanted 1GB I decided to buy a second 480GB (exact same brand as first) and set it to Raid 0 to get double space and double the speed of a single SSD. The old pc has missing parts to run it now, so eventually I will buy the parts needed to make it a server.

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  • 2 weeks later...

I had a i7 950 on a P6T Deluxe v2 and hadn't realised that it could take Xeon's. So I just threw a 95w X5675 into it (the same clock speed as the 950) and it's purring along nicely with 6 HT'd cores. I'm not an over clocker, so I don't mind about the multiplier limitations of the x5675 vs. x5660 - if anything I wanted to go from 130w to 95w to try and run quieter and cooler. Regardless, I wanted to say thanks to the people in this thread for sharing the knowledge!

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I had a i7 950 on a P6T Deluxe v2 and hadn't realised that it could take Xeon's. So I just threw a 95w X5675 into it (the same clock speed as the 950) and it's purring along nicely with 6 HT'd cores. I'm not an over clocker, so I don't mind about the multiplier limitations of the x5675 vs. x5660 - if anything I wanted to go from 130w to 95w to try and run quieter and cooler. Regardless, I wanted to say thanks to the people in this thread for sharing the knowledge!

Welcome to the Xeon club :D It runs SOOOO much cooler than my i7 950.. more than half! I had this baby at 5.3Ghz for a while.. Went back down to 4.2Ghz for everyday use..

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Thanks, glad to be here.

 

5.3Ghz! Very cool! (or should that be hot?).

 

I'm using just re-fanned Noctua air cooling and frankly with the extra horse power from the extra cores I don't currently think that I need to consider overclocking. I don't really game much and I spend my life in VM's which is where I need the performance. Most of my issues are due to disk IO well before the CPU starts getting hot.

I have all the fans in the system on Low Noise Adapters and the BIOS has the fans in silent mode. HWMon has me at 33-35 degrees in a spread across the 6 cores at the moment... and I can live with that :)

 

Thanks again for the tips.

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