Help w/first Intel OC

[Pivo504]

I have been out the loop with OCing PC & this is my first intel build. Here is my cpuz. Any changes I Need to make? I have a gigabyte UD p55A UD 3 with intel 1156 chipset i5 750 quad core @3.8 with 2X2 gig memory GSkill stock timings, EVGA 465GTX, samsung 830 128gig drive plus 2 80 gig 7200 sata drives backup, XFX 650 PSU, audigy 2
I took out the 2X2 gig and only have the 2X4 in dual channel now. However, my overclock still cannot reach what I had with the 2X2...Are 2X2 just better for OCing? The mem sticks are the exact same but higher gig. Also, I noticed my temps reached over 70 when I was at 3.5 with the same vcore I was @ 3.8..I dont remember the temps being that high when I was at 3.8...The cpuz below is from my previous OC with only a 2X2 gig ram installed in single channel & not dual. I can post my CPU-z from the current build under. If you need anymore info just ask




Latest OC:

[Pivo504]

Anyone alive on these forums?

[rintamarotta]

If that were K version of the cpu it would be just easy as upping the multiplier.
You really can only play with Bus Speed to get it higer.

What cooler you have??

[LagunaX]

http://www.legionhardware.com/articl...g_guide,4.html

[Pivo504]

I have the Thermalright Silver Arrow with one fan in the middle pushing air up towards the top exhaust fans.

[Pivo504]

Bump anyone?

[BlindFreddie]

Sorry you haven't had any useful help with your O/C, Pivo. I'm not really the one to advise you, because I've never owned an 1156 machine. But I do have a 1366 machine and I think they may have some similarities. Problem is, I'm not a good 1366 overclocker either
Suggest you get hold of some OC guides for Lynnfield. Here at XS, there's miahallen's 3 Step - Core i3, i5, and i7 Overclocking Guides (now includes Sandy Bridge) -> 3 Step Overclocking Guide - Lynnfield
A quick DuckDuckGo search for "overclocking i5-750" reveals some useful-looking stuff too:

• Legionhardware: Intel Core i5 750 Overclocking Guide - Introduction
• Master's Lair: How to Overclock - Intel Core i7, i5, i3 CPU Overclocking Guide

and lots of forum posts asking similar questions to yours. Have a browse!

One thing I can contribute though: 1.36V is way above what you should need to get an Intel CPU to 3.8GHz, and I would not recommend 1.36V for 24/7 use as it will shorten the life of the CPU. Somethng other than Vcore is probably restricting its speed.
For 24/7, under 1.25V is a good goal.
You can go a bit higher while you're sorting out your overclock or benching, but then for longtime use back off the Vcore and reduce speed to match. If you've got the machine "in the groove" you might be surprised at how little you need to back off the speed to reduce the volts.

Posting this from my i7-970, 161 x 24 = 3.86GHz @ 1.216V, runs 24/7 at 100% load for XS Team: World Community Grid (WCG)