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Old 01-30-2014, 07:01 AM   #1
ejluvsrush
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Talking Timing ignorance assistance needed

Quote:
How bad would CL8 1600 hold back a FX-6300?
It won't.
1866 is the preferred speed for the newer AMD chips, but you'll sacrifice timings to get it.
CL8 1600 with any degree of quality will OC to around 1800 anyway. Use it.

I saw the above quote in another thread. I am using CL9 1600 Vengeance. I don't know what the CL9 means or it's importance nor do I understand what timings do. I can certainly adjust them to achieve an overclock of the memory but don't know what I "sacrifice" when doing so. I also don't understand the reference "loosening" timings. I know it means to adjust them, but that about it.

Please forgive the inexperienced questions and thank you!
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Old 01-30-2014, 04:31 PM   #2
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Quote:
Originally Posted by ejluvsrush View Post
Quote:
How bad would CL8 1600 hold back a FX-6300?
It won't.
1866 is the preferred speed for the newer AMD chips, but you'll sacrifice timings to get it.
CL8 1600 with any degree of quality will OC to around 1800 anyway. Use it.
That's not necessarily a true statement to start with. It depends on the ram.
I run a 8320 at 5 gig or better with ram at 1866 @ 7-8-7-24 1T. I can run them at 1600 @ 6-8-6-21 1T if I so choose.
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Old 01-30-2014, 04:50 PM   #3
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Smaller numbers = lower latency, faster response. "Tightening" your timings means lowering the numbers, "loosening" means adjusting them higher.

Generally as you overclock or increase the memory frequency you have to loosen timings to keep things stable. Or if working with a fixed speed you can try and tighten timings for better performance.

I doubt you'll notice any difference between CL8 and CL9 at the same speed, except maybe in benchmarks.
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Old 01-30-2014, 04:55 PM   #4
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Correct. You'd only see the difference benching.
Rig might 'feel' a little snappier with lower latencies.
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Old 01-30-2014, 07:05 PM   #5
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Thank you both! I don't feel so "new" anymore.
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Old 02-02-2014, 08:20 AM   #6
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Quote:
Originally Posted by Mr.Scott View Post
That's not necessarily a true statement to start with. It depends on the ram.
I run a 8320 at 5 gig or better with ram at 1866 @ 7-8-7-24 1T. I can run them at 1600 @ 6-8-6-21 1T if I so choose.
That chip of yours (Scott) should bench Cas 5 at 1600....
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Old 02-02-2014, 09:27 AM   #7
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That chip of yours (Scott) should bench Cas 5 at 1600....
Not on that ram, or my Eco's. CAS 5 results in a no boot situation.
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Old 02-02-2014, 09:29 AM   #8
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Not on that ram, or my Eco's. CAS 5 results in a no boot situation.
Well use that ram I sent back to you then..... That stuff humps!
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Old 02-02-2014, 09:38 AM   #9
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Well use that ram I sent back to you then..... That stuff humps!
Haven't experimented with it yet.
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Old 02-02-2014, 10:00 AM   #10
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Well Scotty, I think you'll be impressed and probably beat some of my clocks and timings as well. Have at it!! Why are you here? LOL
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Old 02-02-2014, 04:02 PM   #11
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What is CAS5? I decided to go ahead and clock the memory to 1866 and it passed memtest with flying colors. Timings adjusted to 9-11-9-27 1T and 1.65 voltage.
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Old 02-02-2014, 04:15 PM   #12
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What is CAS5? I decided to go ahead and clock the memory to 1866 and it passed memtest with flying colors. Timings adjusted to 9-11-9-27 1T and 1.65 voltage.
CAS is generally the first number in your timings.

Quote:
Column Address Strobe (CAS) latency, or CL, is the delay time between the moment a memory controller tells the memory module to access a particular memory column on a RAM module, and the moment the data from the given array location is available on the module's output pins. In general, the lower the CAS latency, the better.
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Old 02-02-2014, 04:23 PM   #13
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You rock Mr. Scott, thank you!
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