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Can't change DRAM speed

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  • DRAM
  • RAM
  • Speed
  • Memory
Last response: in Memory
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June 12, 2014 3:47:55 AM

Hi everyone,

I am using 2x4gb 1600 mhz ram and I can't seem to change the stock speed of 1333 mhz to 1600.

I know that normally I should just be able to turn on xmp profile 1, but after enabling it and resetting my pc the status still shows the DRAM running at 1333 while the settings are put at 1600 mhz.

I've also tried to manually change the speed to DDR 3 1600, but the status doesn't change to 1333 either.

I'm using: 1600 mhz CL 9 4x2gb corsair vengeance ram
intel core i5 - 4690 cpu (so a non-overclock model)
h97 asus plus mobo

I'm not sure if I'm missing something really obvious here, but I'm a complete pc noob, so please bare that in mind.

Thanks in advance for any help.

More about : change dram speed

a b } Memory
June 12, 2014 4:13:36 AM

Where are you not seeing the change? Is it not saving the change in the bios? Are you using CPU-z in windows?
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June 12, 2014 4:18:56 AM

The bios of my motherboard has a status screen which shows at what speed everything is running. So on this status screen the speed is 1333 mhz per 4gb memory stick, while in the actual settings the speed is saved as 1600. Should I download CPU-z for a more accurate reading instead?
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a b } Memory
June 12, 2014 4:49:52 AM

Well I would expect the bios to report what it is actually set at. So you set it manually to 1600, save & exit, reboot, and the bios has it back at 1333?
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June 12, 2014 5:07:47 AM

Yes, in the status screen it will show 1333 mhz, but in the advanced settings it will be on 1600.
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June 12, 2014 8:40:24 AM

I've installed CPU-Z and it reports 800 mzh x2, so my pc does seem to be running at 1600 total. So does that mean the Bios is just wrong, or is the CPU-Z wrong?

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Best solution

a b } Memory
June 12, 2014 9:12:40 AM

The BIOS was showing the board's default speed (SPD) for the memory. Looks like it is running at 1600MHz. Advanced setting are what it is actually set at and running if you've saved the BIOS configuration.
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