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Alex@ro

[GUIDE] Skylake Memory Timings on Asus Motherboards !

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Twtr_l and _S are not linked between,so adjusting them will actually adjust twrrd_sd and dg , minimal values are 6-1 and 21-16. Trrd_l and S are also not linked ,for samsung this works 6-4 good ,for hynix over 3466 you should try 7-5 or even higher if you can't find stability.

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Thank you for your good guide. I have some question. I see read to precharge = 6 and write recovery time = 10 in b-die section. Didn't write recovery time suppose to be 12 (13 in asrock timing config).

 

Another question is should I care about tWR-Pre and tRD-Pre.

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Oh yes, however by adjusting twr-precharge to 23 from 26 u will lower the write rexovery from 12(13 shown) to 10. Read precharge can be lowered by a few units too from default, didn't see any important gains though.

 

Sent from my SM-N910F using Tapatalk

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I have ASUS Maximus IX Hero with i7-7700k and 4x8GB G.Skill Trident Z DDR4-4000 18-19-19-39-1.35V. I was getting sporadically code 55 on boot and random crashes for a year and could not find a way to fix that.

I followed this guide, issues 1 and 4, and set manually tRDWR_sg, tRDWR_dg, tRDWR_dr, tRDWR_dd to 18 and tWRWR_dd to 8.

That fixed my problems and now my system is rock stable. 3DMark and Intel Extreme Tuning Utility benchmarks report 6% CPU and memory performance improvement.

Many thanks for sharing this information.

5GHz_setting.txt

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What is max safe voltage for AFR on air ? I am good at 3500 12-17-17-28 1.848V. Wanna try 11-16 maybe 1.95V ?

It is OEM RAM without heatsink but I have fan over it.

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For benching you can try, nobody knows what safe is considered but after few hours at 1.9+ i have seen no degradation. For Samsung B-die at least values of 2.05-2.1V over a few dozen hours did no harm but as you know ymmv.....

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for information and/or explaination ,

i experienced some stranges results on my z170 (asus pro gaming) + B-Die 3600C15 GTZ (the one with close chip)

 

-> TRDWR sg/dg/dr/dd = 15 // superPi = 7m01

-> TRDWR sg/dg/dr/dd = 13 // superPi = 7m09

-> TRDWR sg/dg/dr/dd = 14 // superPi = 7m00

 

Strange ? Normal ?

fsdfsdfsf.jpg

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try 12 12 12 12 :D or 12 12 12 11

 

ram timings can be funny, but its also what makes them fun to play with. lower not always better

 

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Posted (edited)

Seems its wont boot at 12 :[ but well i constated another thing :

my superpi results are never the same , at each boot or during same session they can be differents, they are between 7m00 and 7m09 , do i miss something ??

the os is win10 but very light

 

 

Edited by ssk2

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