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Help with Dram timmings

post #1 of 6
Thread Starter 
Hey,

I always had overclocked my cpu or graphixs card, but i want to make diffrent in my ram also. Last night i read something about dram timmings i don't really get it, could you guys help me?
Also an ather question does this improve your memory much?

Here is a screenshot of my control center.



Click on it to zoom.

I also changed my fbs from 100mhz to 103mhz. and the multiplayer but that doesn't care the ram right?

Thnks if you help me,

Grtz
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post #2 of 6
The FSB does affect the RAM, although they run Asynchronous buses. The Memory bus clock is based on the front side bus (FSB) and a ram divider which is a ratio between the FSB and the DRAM clock. Hence if the Ram divider remains constant a change in the front side bus frequency directly results in a change in the bus DRAM frequency. Thus by increasing your FSB frequency you increase not only the CPU and Northbridge frequency but also the DRAM frequency. this is why often when people overclock via changing FSB frequency they often change the ram divider to keep the memory bus clock within a certain range. Now for timings the each DRAM timing is the number of clock cycles that it takes to perform a specific operation. As the frequency increases the amount of time for each clock cycle decreases as they are inversely proportional. Hence why many higher frequency DRAM modules have higher timing numbers as each of their cycles is shorter thus the amount of time required for each task is rather similar. Though often manufacturers set these numbers higher to give the chips more time to complete a task this is done to compensate for tolerances n the chips them selves. So it is often possible to "tighten" or reduce these timing numbers while still maintaining stability. This results in shorter delay times which increases through put of the chips. All this being said often little to no gain is seen by overclocking your ram, and in some cases overclocking is not possible as the timings set by the manufacturer are as close as possible.
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Sandy Thunder
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post #3 of 6
I thought base clock was locked on the new gen i series?
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post #4 of 6
You can't really go higher than 104ish

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post #5 of 6
Thread Starter 
Quote:
Originally Posted by SMK View Post
You can't really go higher than 104ish

Sent from my AT&T Samsung Galaxy S2 using Tapatalk.
What do you mean 104ish?

K that of the fbs i got but i still don't get it when i change the tCL to 7 and i press apply the computer just felt out and reboot at 9 again?
What does this mean?

Grtz
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post #6 of 6
Quote:
Originally Posted by ocMisterT View Post
What do you mean 104ish?

K that of the fbs i got but i still don't get it when i change the tCL to 7 and i press apply the computer just felt out and reboot at 9 again?
What does this mean?

Grtz
Not sure how it is on the newer gen i series, but on the one i have if you enable Intel XMP for ram it will not let you alter timings. If it still has it, disable it. Not 100%, but see what someone else says.
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