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Built my first PC and I want to get into OCing

post #1 of 7
Thread Starter 
Hello,

I am a longtime Mac user (still am work in Pro Tools alot) but after spending a while at school as a Robotic Engineering major I learned that I need a quality Windows platform to run some Windows exclusive software that I will need to know for classes and Bootcamp wasn't cutting it, it was just to lackluster even with my i7 macbook pro. So I built me a gaming PC that can also be used for all my Academic Windows software.

I built around the Intel Socket 1366 architecture as I got a great deal on an i7 950 (199.99 from Microcenter). My specs should be visible in my system stats.

My motherboard is a Gigabyte X58A-UD3R revision 2, it came with a bunch of OC features and I would like to know how to do the following.

- Unlock the QPI from 4.8 GT/S to 6.4 GT/S
- OC my ram from the stock 1066 to 1600 so they run at their full rated speed.
- what cooler should I get that is an upgrade over the Cooler Master Geminii S?

I am new to this and my system is barely 2 weeks old so excuse any stupid assumptions
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Wheatley
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post #2 of 7
Quote:
Originally Posted by stratmaster458 View Post
Hello,

I am a longtime Mac user (still am work in Pro Tools alot) but after spending a while at school as a Robotic Engineering major I learned that I need a quality Windows platform to run some Windows exclusive software that I will need to know for classes and Bootcamp wasn't cutting it, it was just to lackluster even with my i7 macbook pro. So I built me a gaming PC that can also be used for all my Academic Windows software.

I built around the Intel Socket 1366 architecture as I got a great deal on an i7 950 (199.99 from Microcenter). My specs should be visible in my system stats.

My motherboard is a Gigabyte X58A-UD3R revision 2, it came with a bunch of OC features and I would like to know how to do the following.

- Unlock the QPI from 4.8 GT/S to 6.4 GT/S
- OC my ram from the stock 1066 to 1600 so they run at their full rated speed.
- what cooler should I get that is an upgrade over the Cooler Master Geminii S?

I am new to this and my system is barely 2 weeks old so excuse any stupid assumptions
First of all, congrats on your new rig. Looking good! :thumbsup:

Can I ask why you are concerned with the QPI?

The way that the RAM speed works in the 1366 socket is a tied-parallel base clock multiplier.

In your BIOS, you will find a base clock (BLCK) frequency. This frequency is then multiplied against the RAM multiplier and that's how you end up with your RAM frequency. Say for instance you had your BLCK set to 200. A RAM multiplier of x8 would give you the 1600MHz you need.

Though you must understand that you're also OC'ing everything else on the bus connected to that BLCK (your CPU included). So what you want to do is fine-tune your CPU where you want it and then take a look at your RAM multiplier after that. Most will tell you to underclock your memory until you get your CPU stable first.
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post #3 of 7
Look into guides for OC'ing there are like 40 on here for each chip

As for your cpu cooler, its not a bad choice for a mild overclock. I took my 930 to 4.0 ghz on one of those no problem. Again, heatsinks are a huge topic on here, so look around abit. WaterCooling in a box solutions (such as Corsair H50 etc.) are becoming popular and are a great choice for CPU cooling, however the big step is to full watercooling... Thats where things get fun.
    
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post #4 of 7
Thread Starter 
Quote:
Originally Posted by Plex View Post
First of all, congrats on your new rig. Looking good! :thumbsup:

Can I ask why you are concerned with the QPI?

The way that the RAM speed works in the 1366 socket is a tied-parallel base clock multiplier.

In your BIOS, you will find a base clock (BLCK) frequency. This frequency is then multiplied against the RAM multiplier and that's how you end up with your RAM frequency. Say for instance you had your BLCK set to 200. A RAM multiplier of x8 would give you the 1600MHz you need.

Though you must understand that you're also OC'ing everything else on the bus connected to that BLCK (your CPU included). So what you want to do is fine-tune your CPU where you want it and then take a look at your RAM multiplier after that. Most will tell you to underclock your memory until you get your CPU stable first.
cool thanks, I read somewhere that before I OC my CPU I should go into the BIOS and turn off powersaving as it would affect the stability of the the overclock am I right about that?

I am concerned about QPI because it is how the CPU is connected to the RAM am I correct? I am assuming a faster QPI will correlate to faster communication between the RAM and the CPU?
Edited by stratmaster458 - 1/3/11 at 11:42am
Wheatley
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Intel Core i7 950 @3.06GHz Gigabyte X58A-UD3R R.2.0 Sapphire AMD 7950 3GB Reference A-DATA Gaming Series 6GB DD3 1600 
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Wheatley
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Hard DriveOptical DriveCoolingOS
Western Digital Caviar Black 500GB SATA II (x2) LITEON SATA DVD Burner Phanteks ph-tc14pe Windows 7 Ultimate x64 
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ViewSonic VX2250WM-LED 22" 1080p Apple Extended Keyboard II moded to USB Antec Earthwatts 750 Watt Modular NZXT Phantom (White/Modded) 
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post #5 of 7
Quote:
Originally Posted by stratmaster458 View Post
cool thanks, I read somewhere that before I OC my CPU I should go into the BIOS and turn off powersaving as it would affect the stability of the the overclock am I right about that?

I am concerned about QPI because it is how the CPU is connected to the RAM am I correct? I am assuming a faster QPI will correlate to faster communication between the RAM and the CPU?

People turn off power-saving features because it can become a headache when you're specifically testing stability during an overclock. Disabling such features gives you more control over voltages, that's all.

I wouldn't concern yourself with the QPI for now. How high are you planning to go? In most cases, you won't have to worry about QPI for something like 4.0-4.2GHz.

If you are absolutely new to overclocking, there are four settings that you should be familiarizing yourself with.

Base clock or BLCK or CPU frequency, etc. etc. (all the same thing.)
CPU multiplier.
Memory multiplier.
CPU voltage.
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post #6 of 7
Thread Starter 
thanks for all your help so far, I found a page on OCing i7s I'm gonna read up on it and all the different things clock multipliers etc and read up on my mobo's bios in the manual and I'll be back with questions.

Now as far as cooling would it be safe to go to 3.6 with my Cooler Master Geminii S ?
what sort of temps should I expect. There are thre 120MM fans around the CPU heatsink exhausting as well as one on the heatsink itself.
Wheatley
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Intel Core i7 950 @3.06GHz Gigabyte X58A-UD3R R.2.0 Sapphire AMD 7950 3GB Reference A-DATA Gaming Series 6GB DD3 1600 
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Western Digital Caviar Black 500GB SATA II (x2) LITEON SATA DVD Burner Phanteks ph-tc14pe Windows 7 Ultimate x64 
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ViewSonic VX2250WM-LED 22" 1080p Apple Extended Keyboard II moded to USB Antec Earthwatts 750 Watt Modular NZXT Phantom (White/Modded) 
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Wheatley
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Western Digital Caviar Black 500GB SATA II (x2) LITEON SATA DVD Burner Phanteks ph-tc14pe Windows 7 Ultimate x64 
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ViewSonic VX2250WM-LED 22" 1080p Apple Extended Keyboard II moded to USB Antec Earthwatts 750 Watt Modular NZXT Phantom (White/Modded) 
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post #7 of 7
I have the same mobo and CPU
only owned them for about 2 months so far, so haven't finished the build or learned all I need to Know about overclocking yet.
I have learned the hard way that high profile ram gets in the way of mounting cooler fans on my Prolima Megashadow, I had to cut the fins of my Kingston HyperX ram, so I can have a push pull fan on it.

I also didn't like the gigabyte overclocking software, as I jumped in and started some EASY overclocking with easy tune.
I thought it was a mild OC at 3.8ghz but hadn't read enough to know that my voltage was too high. This was pointed out to me by Plex on these forums linkhttp://www.overclock.net/intel-gener...3r-gtx480.html
my temps were in the high 80's to 90 (too high)
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