Good morning everyone,
 
After a days with this motherboard I only can say "whoa!" But when I decided to set my set up to 24/7 stability then I have some difficulties wtih the ram. I don't know if it's the imc but it's very confusing.
 
I've tried to stabilize this, but no luck with this. VSA and IO 1.22v // VDRAM 1.45v
CLOCK: 4100 MHZ 17-17-17-34 1T
TWR: 10
TRFC: 360
TRRD_L: 6
TRRD_S: 4
TWTR_L: 6
TRTR_S:1
TRTP: 6
TFAW: 23
TCWL: 14
TREFI: 16118
TCKE: 5
 
so I've tried some "easier" like this. But when I reach 1150% coberture in hci appears 3 fails.  VSA and IO 1.16v // VDRAM 1.4v
 
CLOCK: 4000 MHZ 17-17-17-36 2T 
 
TWR: 10
TRFC: 360
TRRD_L: 6
TRRD_S: 4
TWTR_L: 17
TRTR_S:11
TRTP: 6
TFAW: 23
TCWL: 14
TREFI: 15600
TCKE: 5
 
 
Can someone help me with timings please? maybe reducing the core oc? The majority of timings where on auto except the primary
 
 
Thanks!!

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Yep.

AegisFLCL
Can you list the timings for XMP on your kit, and specifically what kit of memory you have.
 
The biggest issue I see (at least with your first attempt) is trying to get 1T working at relatively low voltages < 1.5vdimm above 4000mhz; it's not an easy thing to do 

It'll be easier to help knowing the XMP settings for the timings you've listed. Also make sure that your that your RTL A/B are not more than 1 apart. Also do you know what type of IC's your kit is using (b-die, e-die, MFR, etc...)?
 
P.S. I'm going through the exact process you are atm, it takes a massive amount of time to properly tweak memory 

hi, thanks for your post.
 
mi kit is 4400c19, of course b-die single side
 
I know its a long time work, instead of this I've tried to get stable a "basically" timings with 4000 - 17-17-38 2T. but when i reach 1200% cobertura in hci 3 error apeared