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Windows 7: Sabertooth 990FX wont let me set ram to 1866

10 Mar 2012   #11
lovewin7yea

Windows 8.1 Pro x64
 
 

ill check all this stuff out tomorrow, thanks fellas


My System SpecsSystem Spec
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10 Mar 2012   #12
IIllytch321

Windows 7 Home Premium x64
 
 

Britton30:
I didn't overclock anything when I adjusted it to 1866MHz. It was as if the motherboard just needed to be reminded of the correct factory timings, then it applied the 1866MHz speed afterwards, no problem.
My System SpecsSystem Spec
10 Mar 2012   #13
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Quote   Quote: Originally Posted by IIllytch321 View Post
Britton30:
I didn't overclock anything when I adjusted it to 1866MHz. It was as if the motherboard just needed to be reminded of the correct factory timings, then it applied the 1866MHz speed afterwards, no problem.
True, but you have a Bulldozer chip, OP has a Phenom like me.
Yours is an overclock from the board's point of view. The Bulldozer supports a memory profile which the AM3 chips don't which is why manual settings have to be set. The Phenoms only support up to 1333 with out manual settings.
My System SpecsSystem Spec
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14 Mar 2012   #14
lovewin7yea

Windows 8.1 Pro x64
 
 

thats what i thought. thanks fellas.
My System SpecsSystem Spec
15 Mar 2012   #15
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

You be welcome!
My System SpecsSystem Spec
14 May 2012   #16
nutman

West Yorkshire
 
 

Hi,

I just had this problem myself and manually changed the RAM timings to fix the issue.
Now the RAM shows as 1866 in the BIOS and windows boots fine. However, when I open Speccy (hardware monitor program) the Mem slots have the info:

Type DDR3
Size 4096 MBytes
Manufacturer Corsair
Max Bandwidth PC3-10700H (667 MHz)
Part Number CMZ8GX3M2A1866C9
SPD Ext. EPP

According to DDR3 SDRAM - Wikipedia, the free encyclopedia , PC3-10700H (667 MHz) is what you would associate with RAM running at 1333Mhz. I don't know what to make of this as I don't fully understand it, but I would have expected Speccy to show me that my RAM was PC3-14900 (933 MHz), if it really was set to 1866 MHz. Am I just really confused? Or is this a valid point? Someone shed some light on this for me please!
My System SpecsSystem Spec
14 May 2012   #17
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

If you will download CPUz and click on the memory tab it will show what your ram is actually running as well as the timings.
My System SpecsSystem Spec
14 May 2012   #18
nutman

West Yorkshire
 
 

OK so..




According to CPUz the speed is correct, yes?

Is Speccy just telling me a load of rubbish then?
My System SpecsSystem Spec
14 May 2012   #19
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

CPUz is telling you thay the ram is runnig correct. Probably Speccy is telling you the stock speed of the motherboard setting.
My System SpecsSystem Spec
14 May 2012   #20
nutman

West Yorkshire
 
 



But as it's 1866Mhz, shouldn't the Max Bandwidth be PC3-14900 (933 MHz)?
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 Sabertooth 990FX wont let me set ram to 1866




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