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Trying to bring RAM timings down

post #1 of 7
Thread Starter 
Hello everyone, sorry for all the threads I'm starting today, I'm trying to get some overclocking done tonight.

Ram info: 1333mhz, DDr3 PNY optima 9-9-9-24

I've already lowered the timings to - 8-7-7-20

CPU-NB is at 3ghz, CPU is at 4ghz.

I can't seem to get that CAS latency down to 7, any tips on how I can reach my goal?

Thank you for the help.
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post #2 of 7
Have you tried 7-9-7-20 1T?

You already have a 3GHZ NB, and that is going to reduce latency much more than reduced timings so I wouldn't worry much if you can't OC that RAM very far.
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post #3 of 7

Due to low binning of generic memory, it's highly unlikely you'll get there.
If 7-7-7 won't work, likely 7-9-7 won't either and you'd end up with 8-9-7.


Push DRAM voltage maybe.

post #4 of 7
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

Due to low binning of generic memory, it's highly unlikely you'll get there.

If 7-7-7 won't work, likely 7-9-7 won't either and you'd end up with 8-9-7.


Push DRAM voltage maybe.

What's the max voltage on DRAM?
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post #5 of 7
I remember my 939 rig was pushing 3.1v through the DDR-400 sticks biggrin.gif

2.9v for DDR, 2.0v for DDR2, and 1.7v or lower for DDR3 is my philosophy for 24/7. Benching you'd be fine up to 3.1/2.2/1.9 if you have good airflow.
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by The Pook View Post

I remember my 939 rig was pushing 3.1v through the DDR-400 sticks biggrin.gif
2.9v for DDR, 2.0v for DDR2, and 1.7v or lower for DDR3 is my philosophy for 24/7. Benching you'd be fine up to 3.1/2.2/1.9 if you have good airflow.

Thank you for the Great information!! biggrin.gif

(100th post)
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post #7 of 7
More voltage doesn't always improve latencies but you can try it. Lower frequency may allow lower latencies however. I assume you know there is no tangible system performance gain with small higher frequency changes or lower latencies on DDR3 RAM? It's typically less than ~1%.
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