Changing Memory Timings

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Jake Anderson

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I have g.skill f3-14900cl9d-8gbsr 1866mhz cl9-10-9-28

I have read i can change the timings and greatly speed it up. (although its already fast) I have been out of the overclocking performance scene for um 15yrs?

So can i? and by how much? Thanks
 
Solution
Tradesman1
You can try a couple three or more ways, easiest is if you can tighten the CR (Command Rate) from 2T or 2N to 1T or 1N which will increase the performance, 2nd would be to see if you can tighten the CAS or CL which is the first of your primary timings to 8 so timings would be 8-10-9-28 (this may require a tad of extra voltage to either/or the DRAM itself and/or the MC (memory controller) - you don't mention what CPU or mobo so the MC will prob be under CPU/NB (AMD) or if Intel chances are good either VTT, VTTCPU or VCCIO, depending on mobo/CPU combo could also OC the sticks to 2133 prob start at 10-11-10-28, the Snipers are good OCers
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Tradesman1

Tradesman1

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You can try a couple three or more ways, easiest is if you can tighten the CR (Command Rate) from 2T or 2N to 1T or 1N which will increase the performance, 2nd would be to see if you can tighten the CAS or CL which is the first of your primary timings to 8 so timings would be 8-10-9-28 (this may require a tad of extra voltage to either/or the DRAM itself and/or the MC (memory controller) - you don't mention what CPU or mobo so the MC will prob be under CPU/NB (AMD) or if Intel chances are good either VTT, VTTCPU or VCCIO, depending on mobo/CPU combo could also OC the sticks to 2133 prob start at 10-11-10-28, the Snipers are good OCers
 
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Solution
Tradesman1

Tradesman1

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Brand new rig, sweet! First I'd download something like MaxxMem and run it with your current setup, am guessing you have the sticks running under XMP (I hope ;) ), so they are at 1866 (can download CPU-Z (free) if you don't have it to check through Win, look in the memory tab, under frequency should show 933 (as it's DOUBLE data rate - you take the true 933 times 2 = 1866). Anyway run MaxxMem about 3 times and average out the results, can also use Win's own memory test (go to the command line as an Administrator and enter WINSAT MEM , do the same run about 3 times, that will give you a baseline at spec performance. Then can try the methods above - go into BIOS and change CR (Command Rate from 2t or 2N (not sure of your mobo or if it uses the N or the T designator (they are the same)) to a 1 and may have to raise the DRAM voltage or the MC (Memory controller voltage (generally referred to as VTTCPU or something similar) a tad (with DRAM maybe .05 or same with MC voltage) and try running the memory test of choice 3 times again. Next way would be to leave your DRAM as is under XMP and go to the base timings in the BIOS and start by changing them to 10-11-10-28 and the freq to 2133, again may need to raise DRAM voltage about + 0.06 and may want to raise your base CPU clock to 38 or 39. Am again guessing here, but imagine the system is less than 3 days old, so I would OC the CPU to much yet, give it anothe couple days for the thermal compound to cure, plus might not want to go higher than 4.2 anyway if you are using a stock CPU cooler. See how that does...I'll be in and out here, but if you run into any problems you can get me back quicker over at GSkill's forum or get help direct from the Gskill folks, I'm in and out of their forums every day

http://www.gskill.us/forum/

if you go there, just mention Tom's in your post and I'll know who you are - won't be tonight though, I just finished up a rig and am hitting it for a few hours, I'll be checking their new users in the AM for approval to join
 
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Jake Anderson

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Ok so after playing around I got my gskill sniper 1866 to 2133mhz 9,11,9,27,1t at 1.56v it gave me a average of

Memory Copy 28139 Base=25678.3 Diff of 2460.7
Memory Read 22284 Base=20277 Diff of 2007
Memory Write 21580 Base=21415 Diff of 165
Latency 51.7 Base=55.8 Diff of 4.1ns

One problem I have at this setting is windows seems to load slowly It has a longer waiting after login and loading desktop.

The Fast setting I found for loading Windows is. 2133mhz 9,11,10,28,1t at 1.5v

Benchmarks were slightly lower at

Mem Copy 27862
Mem Read 22070
Mem Write 21510.3
Latency 50.86

So I went with that setting since windows loads faster with it. Question. Why would the faster timings cause windows to load slower?

Also I was able to get 2133mhz 10,11,10,28,1t at stock volts. 1.5v
27329
21967.6
21493
53.1
Average.

CPU still at stock.

Any thoughts and advice?

Thanks for your help so far!
 
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Tradesman1

Tradesman1

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It's setting the DRAM to other than the XMP settings...now if you want to speed up the boot process a little -

Click on START
type MSCONFIG in the search box and hit enter - this will open the config window
Click on the BOOT tab
Click on ADVANCED OPTIONS
in upper left hand corner check the Number of Processors box and select 4

Intel CPUs under Win default to a single core, this will fire up all your cores at getgo

T
 
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Jake Anderson

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Which settings do you think I should go with? What is the safe voltage?

Two programs were not responding and restarted windows explorer and desktop manager after I came back from a 30min idle. That didn't happen before I adjusted settings. Possibly linked? Will changing 1t back help with stability?

 
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Tradesman1

Tradesman1

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Where are you at? DRAM's at 1.56 right? May have missed it, but didn't see CPUVTT, if relatively stable now with 1T, take VTT up about + 0.06 (don't really know your mobo, but am guessing that should get you around 1.14 or in that area - try that..

And even if you've been out of OCing for 15 years or so, we'll have you teaching the young bucks a thing or two, before long ;)
 
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Jake Anderson

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thanks, you've been a great help.. I have a small OC going with prime right now.

4.2ghz and running prime95 my temps were around 55c max around 59c. But while i was writting this i got a BSOD while at those temps running prime.

 
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Tradesman1

Tradesman1

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can take up VCCSA some more a little at a time untill stable, or at those rates (.001 at a time) jump it more, then when stable can lower it a couple at a time (that's generally quicker. Did you try setting boot to 4 cores, and if so what did you think? If you list your other components, will be able to to offer more speed up tips.
 
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Jake Anderson

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So i was stressing my system a little today and watching cpuid and asus software and it showed while i was at 3.8ghz that my core voltage dropped to zero at times. other times hovered real low and dropped again. Any ideas? Is this normal with newer power saving features? btw was just jokin about the farm thing

I used to have my own remodel business. Still do actually but when the economy flopped I moved else where (CNC Machine Builder/programmer) but still will take on remodel jobs sometimes. Can make more money in shorter times with a good tile shower/floor or hardwood floor lol.
 
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Tradesman1

Tradesman1

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Yep, been around awhile and is 'improved' with Haswell, nothing to worry about....and when you get the SSD, there's lots that can be done - any idea what size SSD you're looking at? Reason I ask, is while shopping, if you have a set size in mind - say a 120 or a 240, then give thought to a pair of 60-64s instead of a single 120, or a pair of 120s instead of a 240....then you can set the pair up in RAID 0 and really be smokin'
 
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Tradesman1

Tradesman1

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True if one fails, you MIGHT be SOL, but then too, think about it, how hard is it with a 128GB RAID to make an image of it each day? or better yet, say you have Win on your current platter drive, you build the RAID put Win on it, same apps you currently have on you platter, then simply remove the platter drive from the boot drive options, the platters still there, if the RAID fails, hmmm, shut down, boot to BIOS, remove the RAID, add the platter to boot options and you're back up.

Further, SSDs these days are rather reliable.On my 3570K rig I.m running a RAID 0 with a pair of 120s, using the Intel Drivers, this has traveled through three systems, with Win7 I can unplug the RAID from a rig, take it to a new one, plug it in, set up RAID in the BIOS and, granted it generally takes a few minutes, it will boot into Win and load whatever drivers it need for the new mobo (and/or might have to load some specific to the mobo) and am up on running on that rig (if on there long enough have to reauthenticate the OS, but that's no big deal. I've had this RAID running, this has been running since the end of 2010. My P67 carries a newer RAID, a pair of 240s that foes back to Sep 2011.

With the OS already on your platter, that cuts the need , to a degree, on backups anyway, all you really want on the SSD is the OS and apps (and probably some static data files), but ever changing data files should be kept on your platter, temp files and cache directories should all be directed to the platter, etc....Writes to disk are the bane of SSD and lead to degradation of the drive and can lead to drive failure, set it up right, use it correctly and it should last for years (as should your RAID)

 
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