the thing is once you set edc to 1 the workload current detection is disabled for all I know. this results in a voltage bump in some instances.

once you run high (synthetic) workloads (avx etc.) on a regular basis this might degrade your chip.

better use something where your voltage stays within specifications.

not necessarily. with both, EDC and all core OC you could be using too much voltage during heavy stress loads.

I personally do it like this. I test how much voltage the cpu is using on stock for small FFTs @Prime95.
For example that's 1.25V (after vdroop) for my 8 core chip. (its slightly different for every chip)

So if I set EDC to 1 I'd be getting ~1.28V and with an all core overclock I'd be seeing whatever voltage I set - vdroop (depending on LLC) which would in most instances still be higher than 1.25V.

So unless you get to know how much of a safety buffer AMD applies to their voltage protection algorithms noone can possibly tell how much additional to 1.25 in this instance is save under those max load states.

I'm using x570 asus formula
Ram is this https://www.gskill.com/product/165/326/1562...35V32GB-(4x8GB)
i using the 1.7.3 calculator and folo exactly all the setting but can't boot.
Processor no OC. PBO enable. I'm wondering what makes me can''t OC  this ram 

Trying the "calculate safe" 3600mhz. I'm so sad now...hoep can get help from all sifu

to me manual oc is dead (for 24/7) setup. get d vrm & cpu cooled as much as u can, then let d pbo does its job. 

so one only left with ram oc to play with. 3800 @ 1:1 with tightest timing & vdimm which u can tolerate is d way to go imo. 

don't trust thaiphoon burner blindly. I've myself seen it more than once giving wrong info on dies.

@k!nex fine kit, haven't tested stability?
I have my doubts its really stable with this tRAS @21 with tCL and tRCDRD at 14 each.

for some manufacturers the sticker on the ram holds the information needed.
as you can see with corsair and g.skill.
2 posts up you see v4.32, that's always samsung c die for example.
the safest would be to look below the heatspreader/sticker, but that's not always easily possible and could also void warranty.

if you have the sticks already the most convenient way you can confirm is by testing few values and voltage scaling characteristics to figure what dies are on them.
but you probably know that anyways.

1) G.Skill got that 042 code, most important are the 3 last digits. NNX
NN=10 = Samsung
NN=21 = Hynix
X=The Die

2) What's the other primaries and the voltage for the 3600 profile?

To be frank... you use Zen2, just get a Micron E-Die Kit and adjusting timings yourself.
U'll spend (less than) half of RM854 and will get almost same performance.

choose the one with lower voltage (3733). even though worse on paper you hardly gonna notice the difference.
e-dies hard to get as micron not selling the kits that are e-die exclusive in malaysia.
you can get corsair sticks with them but that's a gamble.
best is to order overseas. I can just add a kit to my next order if you want, just send me a pm.

but seeing you managed to oc your ram, just keep it n go with that.

I'll just drop some basic B-Die settings from my record here.
I haven't had a kit that wouldn't run these on zen2.
but actually seeing your numbers above... those might be c-dies

B-Dies:
3733 memclk / 1866 fclk

ProcODT 36.9
RTT 0/0/5
CADs 24-20-24-24
Vdimm 1.42V
SOC 1.1V
tCL 16
tRCDRD 17
tRCDWR 16
tRP 16
tRAS 32
tRC 38
tRRDS 4
tRRDL 6
tFAW 16
tWTRS 4
tWTRL 12
tWR 12
tRDRDSCL 3
tWRWRSCL 3
tRFC 288
tCWL 16
tRTP 10
tRDWR 10
tWRRD 4
tWRWRSC 1
tWRWRSD 7
tWRWRDD 7
tRDRDSC 1
tRDRDSD 5
tRDRDDD 5
tCKE 1

Awesome, thanks for the tip. It indeed is CJR, will try to push those timings and see.   

Your 3700X is amazing. I cant even push mine on static overclock to be stable at all core 4.3Ghz at 1.35V vcore.

95% certain is Samsung C die. Another 5% possible Hynix CJR. Because I have 1 set of Trident-Z RGB and 1 set of Trident-Z Neo 3600Mhz CL18-22-22-42 1.35V. Both of them also Samsung C die. Trident-Z Royal seems to have the same PCB as the other Trident-Z series except different heatsink and the lighting effects.

I'll just answer that @red-queen as I had a c-die kit recently which I briefly tested.
At 3800 you're looking at 18-20-21-21 or 18-21-21-21
At 4000 you'd be looking at something like 20-23-23-39

They also scale negatively on higher voltages. Sweetspot is between 1.3 and 1.35V on those frequencies.

Which is why I suggested you in fact have C-Dies few days back when I saw your results.

have yet to play with any highly binned samsung c die but at that timing it's very close to CJR (which can do slightly tighter timing i supposed). I'd say get it totally stable 1st, then only tighten d timing from there. 

That should be down to your IF then though.
You should have tested that first with the ram on 3200xmp .

Anyways, 3733 almost same, will serve you right until you either upgrade ram or cpu 

//fixed memclk (thanks lolzkalvin) and updated with your tested config CAL V, have a shot!

yellow ones are where you can improve (tRC, tRRDL, and tWTRL will only boost your bandwidth a little, tRFC will boost both latency & bandwidth).
light-green ones are those you already have tighter than my initial suggestion. keep them since they are stable.

note that BGS (BankGroupSwap) should be Enabled for SR DIMMS (2*8GB) and disabled for DR DIMMS (2*16GB)
BGS_Alt will always be the opposite of BGS