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1600 memory only reads at 1333?

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December 3, 2012 2:16:26 AM

My Corsair Vengeance Version 8.16 (8GB 2x4GB) says it runs at 1600MHz but I think the problem is with my GigaByte 970A-DS3 only reading it at 1333MHz (I confirmed this in BIOS) I can not over clock the RAM because after I boot it says "due to a recent over clock the system cannot operate..." It then goes back to 1333MHz...Recently after installing BF3 PC crashes ( First kept crashing in WIN8 so I thought it was a WIN8 error so I installed WIN7 Ultimate instead...Installed twice that is...) Something about a blue screen that says MEMORY_MANAGMENT...I did not have this problem before BF3...

It seems that running on 4GBS of RAM seems to work. So that is why I think the problem is with my MOBO :( 

thanks.

More about : 1600 memory reads 1333

December 3, 2012 2:28:47 AM

Check the BIOS settings in your mobo and see if you can manually change the memory to 1600.
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December 3, 2012 2:39:44 AM

rearendhat said:
Check the BIOS settings in your mobo and see if you can manually change the memory to 1600.

I have...But it says "due a recent overclock the system cannot boot..."
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December 3, 2012 11:37:20 AM

Have you made any other changes to your BIOS? Reset your mobo to default settings and start over.
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December 3, 2012 11:47:00 AM

So the board will only support a memory frequency of 1333Mhz limited by the chipset, or the cpu bus speed memory controller.
If you changed the settings DDR3 at 1600 Mhz should be set 800Mhz memory each way =1600Mhz.
Also check for the speed that the Cas settings are right Ie: 15:15:15 24 rated on the memory modules and the settings match it in the bios settings.
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December 3, 2012 12:35:19 PM

My board is almost the same as yours, mines a D3 not a DS , I had the exact same problem, adjust your cas timings as per the label on the ram or the packet it came in and voila full speed
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December 3, 2012 9:51:58 PM

rearendhat said:
Have you made any other changes to your BIOS? Reset your mobo to default settings and start over.

How exactly does one reset their BIOS? I cannot seem to find this option...

Edit...Sorry the retard (me) found it :) 
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December 3, 2012 10:03:46 PM

weaselman said:
So the board will only support a memory frequency of 1333Mhz limited by the chipset, or the cpu bus speed memory controller.
If you changed the settings DDR3 at 1600 Mhz should be set 800Mhz memory each way =1600Mhz.
Also check for the speed that the Cas settings are right Ie: 15:15:15 24 rated on the memory modules and the settings match it in the bios settings.

Are these in the M.I.T? If so I cannot find them.
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December 3, 2012 10:25:15 PM

Ok guys don't reply any more based on speeds... I got it to 1600MHz but could you tell me the second part of my question? Why I can only use 4GB's of RAM.
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December 3, 2012 10:37:14 PM

Have you got 32 bit windows or 64bit, 32 bit restricted to a little less then 4gb, you need a 64 bit version to use all of your ram, same goes for pretty much all operating systems, plus if your graphic card can be using up some of your system ram, I have a Radeon HD6670 that will take up to 2.8gb of system ram if you have enough to spare
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December 3, 2012 11:18:19 PM

Teeroy32 said:
Have you got 32 bit windows or 64bit, 32 bit restricted to a little less then 4gb, you need a 64 bit version to use all of your ram, same goes for pretty much all operating systems, plus if your graphic card can be using up some of your system ram, I have a Radeon HD6670 that will take up to 2.8gb of system ram if you have enough to spare

no I got 64...now I cant even get to BIOS...or a splash screen just a loud beep sound... already took CMOS out...didn't help
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a b } Memory
a b V Motherboard
April 20, 2013 7:37:42 AM

Uninstall BF3, then re-install OS, then set it to XMP.
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a b } Memory
a c 99 V Motherboard
April 20, 2013 8:40:25 AM

jemm said:
Uninstall BF3, then re-install OS, then set it to XMP.


AMD doesn't use XMP.

When you set the RAM to 1600MHz with all 8 GB, do you set the timings and voltage to what it says on the package?
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a b V Motherboard
April 21, 2013 7:27:49 PM

1. on AMD board, it is called D.O.C.P as XMP in Intel board, just go find it if your memory support this function.
2. you need also higher your cpu ratio to get desired memory frequency, please try.
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