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Windows 7: Intel i7

31 May 2010   #41
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Well actually it is "topped" at 1066.
And not all i series are locked processors. The Extreme models are unlocked.
Intel's locked processors do not allow users to individually clock the cores in a CPU. So overclocking is done by other means.

Overclocking does not damage the components of a computer directly or immediately, but overclocked components, running faster, run hotter. It is the heat that damages components. Overclockers need better cooling solutions to make their systems run smoothly.

Overclocking can also cause instability problems. It's a test and see process. If the system shows strange behavior with a particular overclock it is then necessary to "throttle down" to a more stable speed.


My System SpecsSystem Spec
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31 May 2010   #42
sygnus21

Windows 10 Pro
 
 

Quote   Quote: Originally Posted by Win7User512 View Post
I'm looking at a 930 + ASUS P6X58D-E + OCZ PC3-12800 (which is 1600mhz). From what I've read, the i7's automatically set it at 1066 as default.
Again, it's not the processor, it's the motherboard. And you will probably have to set the memory "manually" if you want it to run @1600MHz.

On my Gigibyte GA-X85A-UD5 using Corsair’s Dominator DDR 3 1600, If I don't enable the memory's XMP profile, the board will automatically set the memory at 1066, even though the memory is designed to run at 1600.

So in order to get the memory to run at 1600 I have to go into the BIOS and enable the XMP profile for the memory. If the memory or board didn't have and XMP setting, than I would have to manually set the speed, timings, and voltage for the memory.

This pretty much works for all boards. The processor has nothing to do with it.
My System SpecsSystem Spec
31 May 2010   #43
sygnus21

Windows 10 Pro
 
 

Quote   Quote: Originally Posted by TVeblen View Post
So if you were not going to overclock at all you would buy 1066 memory and save some money.
Again, with everything at defaults, enabling the XMP mode for my memory will have it running @ 1600 without the processor being overclocked! You can also do this manually and still not overclock the processor.

Here's what i'm saying....

Intel i7-cpuz-standard-settings.jpg
Here's my processor at idle speeds. No overclocks.

Intel i7-cpu-z-id.jpg
Here's my processor running at stock speeds with loads - Turbo mode enabled

Intel i7-cpuz-memory-readings2.jpg
Here you can see the available settings for my memory. Notice the XMP Column.

Intel i7-cpuz-memory-readings1.jpg
This tabe shows what speed the memory is actually running at. 800x2=1600MHz

These images are from a non-overclocked processor.

Corsair's recommended BISO settings for my memory - Gigabyte EX58-EXTREME BIOS Settings for TR3X3G1600C8D and TR3X6G1600C8D - The Corsair Support Forums. Though I have an X58A board, the BIOS settings are similiar. Incidentally, XMP mode is disabled and the memory is set manually. Which I've also done in my case.

Spec sheet for my memory - http://www.corsair.com/_datasheets/TR3X6G1600C8D.pdf


My System SpecsSystem Spec
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31 May 2010   #44
Win7User512

Windows 7 x64 / Same
 
 

I guess what I'm getting at is I haven't seen any reports of anyone damaging their hardware by running an i7 at 1600. And it doesn't seem you need additional cooling.
My System SpecsSystem Spec
31 May 2010   #45
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Quote   Quote: Originally Posted by sygnus21 View Post
Again, with everything at defaults, enabling the XMP mode for my memory will have it running @ 1600 without the processor being overclocked! You can also do this manually and still not overclock the processor.
You are correct, of course. I did not mean to say that we were overclocking the processor. But we are overclocking the memory, mostly by changing the BCLK frequency.

This is how Asus does it:


Attached Thumbnails
Intel i7-bios-1.png   Intel i7-bios-2.png  
My System SpecsSystem Spec
31 May 2010   #46
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Quote   Quote: Originally Posted by Win7User512 View Post
I guess what I'm getting at is I haven't seen any reports of anyone damaging their hardware by running an i7 at 1600. And it doesn't seem you need additional cooling.
That would be correct!
My System SpecsSystem Spec
31 May 2010   #47
sygnus21

Windows 10 Pro
 
 

Quote   Quote: Originally Posted by Win7User512 View Post
I guess what I'm getting at is I haven't seen any reports of anyone damaging their hardware by running an i7 at 1600. And it doesn't seem you need additional cooling.
Somehow you are getting the memory mixed up with the CPU.

Let's look at an i7-930....

The 930 runs at a default speed of 2.8GHz. Your memory can be run anywhere from 1066 to 2000+ MHz

With regards of these two items and for the sake of simplicity, megahertz is your memory speed, while gigahertz is your processor speed.

These two items run independant of one another to a certain point. Example - you can have your processor run at 3.5GHz and still have the memory run at 1600MHz or you can have your processor run at 2.8GHz and have the memory run anywhere between 1066 and 2000+MHz.

Gigahertz is significantly higher than Megahertz. To simplify - If Gigahertz is a dollar, Megahertz is a penny.

If you have a processor running at 1600MHz you are back in the stone ages
My System SpecsSystem Spec
31 May 2010   #48
Win7User512

Windows 7 x64 / Same
 
 

Quote   Quote: Originally Posted by sygnus21 View Post
Quote   Quote: Originally Posted by Win7User512 View Post
I guess what I'm getting at is I haven't seen any reports of anyone damaging their hardware by running an i7 at 1600. And it doesn't seem you need additional cooling.
Somehow you are getting the memory mixed up with the CPU.

Let's look at an i7-930....

The 930 runs at a default speed of 2.8GHz. Your memory can be run anywhere from 1066 to 2000+ MHz

With regards of these two items and for the sake of simplicity, megahertz is your memory speed, while gigahertz is your processor speed.

These two items run independant of one another to a certain point. Example - you can have your processor run at 3.5GHz and still have the memory run at 1600MHz or you can have your processor run at 2.8GHz and have the memory run anywhere between 1066 and 2000+MHz.

Gigahertz is significantly higher than Megahertz. To simplify - If Gigahertz is a dollar, Megahertz is a penny.

If you have a processor running at 1600MHz you are back in the stone ages
Nah, just didn't word it correctly. Shorthandedly, I meant having an i7 and running the memory at 1600. Just left out some words.
My System SpecsSystem Spec
31 May 2010   #49
sygnus21

Windows 10 Pro
 
 

Quote   Quote: Originally Posted by Win7User512 View Post
Nah, just didn't word it correctly. Shorthandedly, I meant having an i7 and running the memory at 1600. Just left out some words.
Again, I'm running like that without issue. And you don't have to be overclocked to run like that. Read the posts.

Good luck.
My System SpecsSystem Spec
11 Jun 2010   #50
Win7User512

Windows 7 x64 / Same
 
 

So the i7 stock heatsinks come with thermal compound on them already?
My System SpecsSystem Spec
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