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Help getting RAM to run at 1600 - Page 2

post #11 of 13
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

It doesn't... set the memory multi to x8. The mobo has it, I worked with it setting up a PC for a client before.

But if you OC the CPU, you'll OC the bus clock anyway. By the way, don't do that without VRM cooling.

Yes it does have a memory multi x8 ...but when I set it to x8 my timings for auto go to 11-11-11 which is not correct for the G.Skill memory I have (9-9-9-24)....

The Gigabyte 880GA-UD3H only natively supports 1333...To get 1600 you must OC the CPU. http://www.gigabyte.com/products/product-page.aspx?pid=3520#sp

I believe if I overclock CPU I can get support for 1600-2000 for DDR3 RAM - http://download.gigabyte.us/FileList/Memory/mb_memory_ga-880ga-ud3h_v.2.1.pdf



I think this is why the timings screw up if I only set the Memory Multi to x8. It needs the CPU overclocked to get correct auto timings? I'm not reallly sure.
Edited by abraxas418 - 12/2/12 at 5:25pm
post #12 of 13
Quote:
Originally Posted by abraxas418 View Post

Yes it does have a memory multi x8 ...but when I set it to x8 my timings for auto go to 11-11-11 which is not correct for the G.Skill memory I have (9-9-9-24)....
The Gigabyte 880GA-UD3H only natively supports 1333...To get 1600 you must OC the CPU. http://www.gigabyte.com/products/product-page.aspx?pid=3520#sp
I believe if I overclock CPU I can get support for 1600-2000 for DDR3 RAM - http://download.gigabyte.us/FileList/Memory/mb_memory_ga-880ga-ud3h_v.2.1.pdf
I think this is why the timings screw up if I only set the Memory Multi to x8. It needs the CPU overclocked to get correct auto timings? I'm not reallly sure.

I have a question about the 11-11-11 timings? What is the disadvantage of high numbers in timings? I'm new to ram oc but my ram seems to work properly only at 10-10-10-27-2T although it's a 9-9-9-24-2T stick?
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CPUMotherboardGraphicsRAM
AMD FX-6100 Asus Sabretooth 990FX rev 2.0 Sapphire R9 290X Tri-X Vulcan DDR3 2400 Orange Series 
Hard DriveHard DriveHard DriveHard Drive
Western Digital Western Digital Samsung Seagate Barracuda 
Optical DriveCoolingCoolingCooling
LG DVD-RW DH16A1L 140 mm Cooltek fan Noctua NF-P12 premium fan Noctua NF-P12 premium fan 
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140 mm Cooltek fan 140 mm Cooltek fan Coolermaster Seidon M120 140 mm Cooltek fan 
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post #13 of 13
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Quote:
Originally Posted by Recursion View Post

I have a question about the 11-11-11 timings? What is the disadvantage of high numbers in timings? I'm new to ram oc but my ram seems to work properly only at 10-10-10-27-2T although it's a 9-9-9-24-2T stick?

The lower timings the better. I would try to get them to run properly at 9-9-9-24 if that their specs.

Timings measure the time the memory chip delays doing something internally. Here's an article that helps explain it better - http://www.hardwaresecrets.com/article/Understanding-RAM-Timings/26
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