Wrong RAM Speed

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Tominator_SVK

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Hi everebody!

I've got MSI P55A-GD65, Intel Core i5-760 and CORSAIR 4GB KIT DDR3 1600MHz CL8 Dominator DHX (RAM).
As you can see, RAM should be 1600Mhz, motherboard works with 1600Mhz but when I go to BIOS or use EVEREST, I see that it is clocked to 1333Mhz.

So, How to get RAM clocked to 1600Mhz?
 
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1600mhz isn't a stock speed and you'll need to set it manually in the BIOS as it's overclocking.
 
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Jack t.N. said:
Please take screenshots of the CPU-Z "SPD" and "Memory" view, upload the images somewhere and share the links here.
Click to expand...
There's a dark on Slovakia .. so tommorow I'll upload it (it's from BIOS, isn't it?)
 
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Jack t.N. said:
No, it is not from BIOS.  I was talking about this tool:  http://www.cpuid.com/downloads/cpu-z/1.55-setup-en.exe
Click to expand...

Aha! So here you are:
screen_z_cpu.png

 
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As you can see on the SPD Screenshot, there is no 800 MHz (DDR3-1600) Profile that the BIOS could use to automatically set the DRAM Speed to DDR3-1600.  The fastest Profile is DDR3-1333 (666 MHz).

The reason for this is that your actually do not have DDR3-1600 memory modules, but just DDR3-1333 RAM that was sold to you as DDR3-1600. 

In order to have you RAM work @DDR3-1600 you have to manually overclock it (as Mark already mentioned) by changing the memory ratio to x6.  Most likely, you will run into severe stability problems when you do that.  That is why you will probably have to raise the memory voltage to 1.6-1.65V (test and see) and manually set the Command Rate to 2T.
 
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I'm a little bit confused :D

My RAM is sold as 1600Mhz (http://www.xtraplus.com/jsp/ProductDetail.jsp?ProductCode=10011150).

Please could you write Step-by-Step manual (go to BIOS, tab ..., Find ... change to ..), because I do software for years (websites and design) but in HW I'm noob :D

Thanks

//edit:  CORSAIR webpage
 
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Well, yeah, but they are not, at least not "real" ones.  It is called "marketing".

Also, you did not make the best choice when you bought those OC modules because they are actually optimized for AMD Systems:

http://www.xtraplus.com/jsp/ProductDetail.jsp?ProductCode=10011150

General Description

These modules are designed for maximum performance and reliability with the AMD performance DDR3 processors and platforms.
Click to expand...

-----------

Anyway, go to the Cell Menu and set the memory ratio to x6 and the DRAM Voltage to ~1.65V.  In the Cell Menu there is a sub-section called "Advance DRAM Configuration". In that section you will find the Command Rate Option.  Set it to 2T.
 
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When I set it my PC has shutdown :D
When I started it again, I think everything has changed to default ... because I can see no change in CPU-Z ...
 
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I've changed memory ratio to 5 (because there was options: 3,4,5).
DRAM vltage i set to 1.65V
Command Rate, I set to 2 on both memories.

Then I pressed F10 and Y .. my computer has shutdown :D
 
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You need a BIOS Update in order to be able to set the memory ratio higher than x5.  Contact MSI Technical Support:  http://support.msi.com/  ... and request the latest BETA BIOS Release for your mainboard.
 
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