Tom's Hardware > Forum > Overclocking > Chipsets & Bios > How to set ram 1:1 ratio and other things on my pc

How to set ram 1:1 ratio and other things on my pc

Forum Overclocking : Chipsets & Bios - How to set ram 1:1 ratio and other things on my pc

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1Nor1   06-23-2009 at 12:02:25 AM

Hello i was trying to find a guide on how setting the Ram ratio 1:1 ive found that it depends on the ram and the cpu (i think) so the threads i found explain different settings to obtain the desired ratio...

so i have a core i 7 920 nebalhelm and a 6gb ddr 3 tri channel ram chipset so i was wondering how to make it 1:1 and what tools to use to make this done...

thank you for your time and help :)

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4745454b   06-23-2009 at 03:49:08 AM
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It doesn't depend on the ram or the CPU, it depends on the motherboard. (seeing as your memory controller is on the CPU, it does depend on the CPU in your case.) Its a setting you change in the bios. Seeing as we don't know what motherboard you have, I/we have no idea what you should change.

Depending on how your Bios is setup, its either done by putting the ram speed to either 1:1, or ???

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1Nor1   06-23-2009 at 09:03:20 AM
- 0 +

4745454b wrote :

It doesn't depend on the ram or the CPU, it depends on the motherboard. (seeing as your memory controller is on the CPU, it does depend on the CPU in your case.) Its a setting you change in the bios. Seeing as we don't know what motherboard you have, I/we have no idea what you should change.

Depending on how your Bios is setup, its either done by putting the ram speed to either 1:1, or ???




my motherboard

http://www.newegg.com/Product/Prod [...] _-text-_-]

my ram

http://www.newegg.com/Product/Prod [...] _-text-_-]

my cpu

http://www.newegg.com/Product/Prod [...] _-text-_-]


just trying to be specific now :) hehe , thanks alot for the help :D

my vid card

http://www.newegg.com/Product/Prod [...] _-text-_-]


Message edited by 1Nor1 on 06-23-2009 at 09:04:14 AM
Reply to 1Nor1
deuce271   06-23-2009 at 04:21:38 PM
- 0 +

Whats the FSB of your CPU set at?

You want your memory to run at that speed.


I.E. my CPU is 400x8 = 3200Mhz. I have DDR2 memory running at 400Mhz. Since its DDR2 that 400Mhz = 800Mhz = DDR2-800 memory.

This is a 1:1 ratio.

Reply to deuce271
1Nor1   06-23-2009 at 04:49:47 PM
- 0 +

how do i check my cpu Fsb and how do i know both values of mhz to know when its 1:1?

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Helloworld_98   06-23-2009 at 05:13:29 PM
- 0 +

your CPU doesn't have an FSB, no new CPU does, they use the far faster QPI or HT.

if you run a 1:1 ratio with your CPU, you will have a major bottleneck.

Reply to Helloworld_98
1Nor1   06-23-2009 at 05:25:08 PM
- 0 +

soo its not recomended for my pc specs to make this particular change?

Reply to 1Nor1
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