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sub timings

post #1 of 3
Thread Starter 
Hi guys,

my 1066MHz black dragons are running at 1000MHz for now (getting some cellshocks on monday )

but anyway, I'm o'fay with the main timings, but I'm completely lost when it comes to the sub timings, I've tried reading/looking for guides but nope.
This is my current timings and the spd table:


now what should I be setting under the 'other timings' the only one I can determine is the refresh cycle time (which is out by a fair amount).

A brief explanation would be sooo helpful.

Cheers guys
Smirg
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Smirg
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post #2 of 3
the setting that will have biggest effect is the performance level setting. I know we dont have the same board but the bios are probably the same. Look at this review should help understand it a little better http://www.xbitlabs.com/articles/mai...35-ds3l_7.html
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post #3 of 3
All of those listed subtimings can probably be tightened, except for "tRD_WR".

Performance level (more accurately called tRD) is the single most important memory (well chipset really) timing of all, more of a performance influence than CAS. Anandtech has a good article on it, and they have a formula that can be used to help identify the tightest tRD you can run. However, you many need to dramatically increase chipset voltage to remain stable at lower tRD values.

http://www.anandtech.com/mb/showdoc.aspx?i=3208&p=4

As for your other timings, tRFC can probably be reduced 10-20 points from what you have without trouble, a tRRD of three should be ideal, and most of the others can be dropped a point or two. Play with them and see what works.
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