- Jun 14, 2009
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I have read the theory on tightening timings for performance, but my current experience with actually going through the tedium of adjusting/testing timings has left me with a few questions that some of the more experienced overclockers may be able help me out with:
First of all, I am using 2x2gb G.Skill 9-9-9-24 1600mhz DDR3 on my Gigabyte 890GPA-UD3H motherboard, with a c3 965BE CPU running the show. Here is the exact memory kit:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231193&cm_re=Gskill_4gb_ddr3-_-20-231-193-_-Product
The CPU is currently running at 18x210 (C&Q won't run at higher than x18 CPU multi, and I like the power savings of C&Q) and thus, my memory is currently clocked at 1680mhz. I tested this speed for stability at stock 1.5v and it passed.
My methodology has been to adjust the timings (one value at a time now, started with big jumps) and then do 5 passes of memtest without errors, before moving onto P95 Blend for no less than 2 hours without errors. Once the settings have been adjusted, I move on to further tightening. Am I being diligent enough in my testing? Some report using 8 passes of Memtest... some input needed here, hah.
Current settings that passed my testing:
1680mhz 7-8-8-21 @ 1.56v Max recommended voltage for the kit is 1.6v. My MB uses .015v increments past 1.5v. I am willing to go as high as 1.605v in my quest (unless someone can reasonably dissuade me from exceeding the max volts by .005)
I am going to have a good chunk of time in the next few days to try tighten it further. Any suggestions?
First of all, I am using 2x2gb G.Skill 9-9-9-24 1600mhz DDR3 on my Gigabyte 890GPA-UD3H motherboard, with a c3 965BE CPU running the show. Here is the exact memory kit:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231193&cm_re=Gskill_4gb_ddr3-_-20-231-193-_-Product
The CPU is currently running at 18x210 (C&Q won't run at higher than x18 CPU multi, and I like the power savings of C&Q) and thus, my memory is currently clocked at 1680mhz. I tested this speed for stability at stock 1.5v and it passed.
My methodology has been to adjust the timings (one value at a time now, started with big jumps) and then do 5 passes of memtest without errors, before moving onto P95 Blend for no less than 2 hours without errors. Once the settings have been adjusted, I move on to further tightening. Am I being diligent enough in my testing? Some report using 8 passes of Memtest... some input needed here, hah.
Current settings that passed my testing:
1680mhz 7-8-8-21 @ 1.56v Max recommended voltage for the kit is 1.6v. My MB uses .015v increments past 1.5v. I am willing to go as high as 1.605v in my quest (unless someone can reasonably dissuade me from exceeding the max volts by .005)
I am going to have a good chunk of time in the next few days to try tighten it further. Any suggestions?
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