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-   -   First OC attempt,any suggestions or opinions? (http://www.hardwarecanucks.com/forum/overclocking-tweaking-benchmarking/2170-first-oc-attempt-any-suggestions-opinions.html)

Mibs August 6, 2007 09:22 AM

First OC attempt,any suggestions or opinions?
 
After weeks of research I finally put together a rig that I could OC. So after using it for about a week to see if it was alright, I finally took my first crack at OCing it last night to see what it's all about. I've got an E6750 which runs stock at 2.66GHz so I tried a very mild OC to 2.9GHz last night, just to see what its all about. The BIOS on the evga 680i is pretty friendly, even for a first timer. It's been Orthos stable now for 8 hours, pretty good as far as I'm concerned. I went to bed last night praying this machine would still be on in the morning! http://www.hardwarecanucks.com/images/icons/icon14.gifThe only thing I'm worried about is the temperatures, because I don't know how reliable these reading in TAT and speedfan are. I was reading a few articles that mentioned thigs like offsets and Tcase and Tjunction but I just couldn't wrap my head around it. On the screens you can see my temperatures, and they certainly aren't high by any means (if they're accurate that is). So I'm gonna see If I can't get up to 3.2 GHz today and sync with my ram to run at its spec 800MHz. Right now its unlinked. I know that ~600MHz isn't a big deal, but for my first time It seems like a lot to me! So thanks for any input!

8 Hours load:
http://img.photobucket.com/albums/v2...s37/ocload.jpg

Idle:
http://img.photobucket.com/albums/v2...s37/ocidle.jpg

sswilson August 6, 2007 09:32 AM

Looking good!!!

AFAIC those temps are fine.

You've got the right idea by taking "baby steps" with your OC, especially since you are a first time OC'er. Not only will you not risk pushing your gear too far too quickly, slow steps will let you learn about the different steps to achieving the best OC for your current setup.

Too many folks see reviews where a cpu is popped into a new motherboard and within minutes is screaming along at a 75% OC and think that's how it's supposed to work.....

What they miss is that the CPU and Mem combination are well known to the reviewers so they know exactly what the can expect from it, and what kind of settings / voltages they need to get there.

Sorry for being long winded, but it's great to see somebody taking their time.... :)

3.0charlie August 6, 2007 09:42 AM

I see there is a definite problem with the 12V+ line sensing within Speedfan - shows as 9.82V??? I remember that the Voltage sensing was screwed on my rig too.

Within the BIOS, what's you CPU voltage set to? Because everything looks fine to me, especially temps.

As soon as you have instability, bump the VCore a notch, restart and check temps.

John

sswilson August 6, 2007 09:51 AM

Quote:

Originally Posted by 3.0charlie (Post 16346)
I see there is a definite problem with the 12V+ line sensing within Speedfan - shows as 9.82V??? I remember that the Voltage sensing was screwed on my rig too.

Within the BIOS, what's you CPU voltage set to? Because everything looks fine to me, especially temps.

As soon as you have instability, bump the VCore a notch, restart and check temps.

John

Heh... mine reads 3.58V :)

Mibs August 6, 2007 09:55 AM

Thanks guys, taking anything other than small steps seems pretty crazy to me. Plus for me it's also more exciting to watch the seconds drop on my SuperPi score each time I reboot :haha:.

VCore in the BIOS is set to 1.356...kind of a random number I guess. I have a feeling it could go a lot lower than that, but I could be wrong.

3.0charlie August 6, 2007 10:01 AM

If you lower your VCore, you need to re-test. It will be a good thing for your temp though. But first I would leave that VCore as-is and go as high and stable as possible.

If you haven't oc'ed your Ram yet (running un-linked?), you haven't seen the best SuperPi scores yet...

@sswilson: 3.58V? For the 12V?

Mibs August 6, 2007 10:12 AM

I don't know what it is but I have a bad feeling about OCing the RAM. It's only a pair of OCZ platinum rated for 800MHZ. If I run them at a 1:1 ratio then I can run my cpu at 3.2GHz. How much can I really expect from that RAM?

3.58V for 12V!

sswilson August 6, 2007 10:26 AM

Quote:

Originally Posted by Mibs (Post 16351)
I don't know what it is but I have a bad feeling about OCing the RAM. It's only a pair of OCZ platinum rated for 800MHZ. If I run them at a 1:1 ratio then I can run my cpu at 3.2GHz. How much can I really expect from that RAM?

3.58V for 12V!

Since you've got the option, I'd leave the mem unlinked until after you've found your CPU max, and then after that drop the CPU back down and find your mem max. (That'll give you even more times to go "WOW!!!!!" at your super-pi improvements... :) ).

And yeah, that's 3.58V recorded by speedfan on the 12V line.... that's a hell of a lot of Vdroop!!!!! :)

Eldonko August 6, 2007 09:04 PM

Looking good, if you have any questions just ask. :)

Mibs August 12, 2007 09:59 AM

Updated E6750 OC
 
Alright, so I've been pushing this chip more, and I'm still going with it. Just wanted to update and see what others are doing with this chip. Right now I'm hitting 3300 MHz Orthos stable. I'm pretty happy with it since it's my first time, and I'm excited to see what more it can do!

Under load:

http://img.photobucket.com/albums/v298/Mibs37/3.3oc.jpg


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