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NEW!!! DRAM Calculator for Ryzen™ 1.7.3 (overclocking DRAM on AM4) + MEMbench 0.8 (DRAM bench)

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Discussion starter · #2,201 · (Edited)
3666CL14 V2 (tuned tFAW)

interesting nuances:
1) tFAW 27 has better stability than 24, I think that the rule of tRRDS is multiplied by a coefficient - it became irrelevant
2) RTT_WR 80 ohm + RTT_PARK 60 ohm has a similar system stability on these frequency
3) over 3533 I do not see improvement in the latency of RAM, but there are improvements for Infinity

Image

______________________________________________________

Ne01 OnnA said:
Hmm, here is mine:
Click to expand...
I gave you the settings with the new version of the calculator, try them.
I do not need to send the old version, it has lost relevance

numlock66 said:
@1usmus, Could you take a look at my try to get 3466mhz, cas 14, at Agesa 1.0.0.4? what do you think? It was stable at Agesa 1.0.0.2.

https://www.overclock.net/forum/27536422-post3933.html
Click to expand...
You have too high impedance, on the new AGESA there is an optimization of the line, try this one

make settings 1 in 1 all without exception
SOC 1.1
DRAM 1.41
procODT 43 recomeded but maybe you need to increase it (48,53 ohm)

Image

Nighthog said:
3466Mhz is stock XMP on these and it works without issue, though it goes CL20 rather than the CL19 it should. (both the micron B-die and E-die works without issues @ stock/XMP 1.200Vmem)
The only thing that requires the high voltage(~1.500) is really if you want to use CL14 or tRDRDSCL/tWRWRSCL @ 2 at the high speeds... if you use CL16 or xxxxSCL 4 etc you can use much lower voltages.
I had 3600 working with around ~1.330V with some relaxed timings in the beginning, like 18.21.20.40.78 SCL@4 etc.
Click to expand...
I ask you this because I would like to add memory support to the new calculator ... if you would provide the result, I would be very grateful to you

Espenn said:
I can post all day long at 3533 and 3600, but I just can't find the right recipe to resolve memory test errors. :(

Ryzen 7 2700X
2x8GB Gskill 3600C15
Crosshair VII

I've swept up and down SoC from 0.9V to 1.1V

Up and down VDIMM from 1.35 to 1.45V

All sorts of CAD_Bus settings (24-24-24-24, 30-30-30-30, 40-40-40-40, 40-40-60-60, 30-30-40-60, 20-20-20-20)

All sorts of RTT Settings (Nom OFF, Wr OFF, 48/60 Park seems to work best for POST)

ProcODT 60 seems to be the sweet spot for POST

I just can't figure it out. So frustrating. :(
Click to expand...
Have you tried these settings?
https://www.overclock.net/forum/27533804-post2171.html
 
#2,202 ·
Well, I found out my stability issue,


Even the 4.3 GHz is stable I end up sacrificing RAM overclocking headroom. So at 4.3, I can only go as far as 3466, if I try 3533 I can boot and do 2 passes on memtest 86 without any issues. But in windows tabs in firefox crash and prey stop working after some time.


I am also running the moded BIOS 4012 for my ASUS ROG Strix x370-f Gaming, but I have not lost hope maybe the newer AGESA will help with this if not that then maybe even the newer calculator for RAM may be more beneficial.
 
#2,204 ·
Hello guys i have some trouble why my brother build.
Ryzen 5 1600 on an Asus B350 F strix ) latest bios ) i tried for week but cant do past 2933mhz
In the zip file you can see the typhoon report for the ram stick its a D die if im not mistaken and in the other file the setting i tried ) at least the last one whit the last calculator version )
So basicly 90% of the time i get error in bios like fail to post, in the 10% stuck on windows load so never work :D
Any help or advice ?
Thx in advance !

P.S.
Ofc also tried read xmp and V1 and V2. My goal its a stable 3200Mhz
 

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#2,206 ·
tekjunkie28 said:
For all those that have experience with the new Agesa version 1.0.0.4 what are you all seeing that's new or improved. Is there any issues that are new?

Sent from my SM-N950U using Tapatalk
Click to expand...

Well i just tried the 4.80 on the Killer SLI.
Some settings reset after a failed mem clock.
Cold boot failure, needs rebooting 3 times before successful launch to windows.
Keyboard/mouse does not work on every boot.
Mem speeds are down again.
In short....Poooo :)


Gone back to 3.40 and now have this, the best yet.
Strange how every time i reinstall this Bios, i get better timings
 

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#2,208 ·
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#2,209 · (Edited)
Anyone had any success in overclocking K4A8G085WB-BCRC b-die ram? Trying 3200 safe settings does not even POST. Loosening timings to 16-16-16-34-54 did not help. Samsung OEM Safe boots but is still unstable. Running 2600x+strix x470-f. By tweaking a lot of timings I managed to pass HCI 400% at 3333-16-17-17 and high voltages: Dram: 1.4v, VTTDDR: 0.7V.

Timings profile:
https://imgur.com/a/niRGaTX
 
#2,211 ·
I'm a newbie please help.
Finally I managed to make my kit run at 3600c16 but it's totally unstable.

MB: Asrock X370 Taichi
Bios: 3.20 (I tried 4.60 but it's too bad I needed to roll back to 3.20)
CPU: Ryzen 1700
Ram: Galax HOF 3600 8GBx2 Kit in A2 B2 slots
Cooler: Corsair H100i V2 fan Perf

Ram Overclocking:
I used BIOS 3.20 back then and overclocked my kit to 3333@14-13-13-13-26CR1 and it worked well (never tested with software because I didn't know).
Then later I updated BIOS to 4.60 but they changed many things (Removed C-State option etc) and I couldnt overclock my ram (harder than before, and sometimes it just didnt let me overclock both CPU and ram)
Now I rolled back to 3.20 and managed to OC my kit to 3600@16-17-17-38CR1, loaded Windows but there are BSOD sometimes so I raised the dram voltage, but I still think it will not last the stress test.

My voltage:
CPU LLC lv3
VSOC LLC lv2
Dram: 1.46 (Windows load 1.496)
Vsoc: 1.106
Vtt DDR: 0.7
VDDP: 0.85

My timings I set as this preset (the setting in red DQS str I can't find it in my BIOS):
Image


SO HERE ARE MY QUESTIONs:
- What do I do now to make my kit stable (maybe to reduce voltage as well)?
- When I test using Mem Test or Ram Test, what do I do if errors occur? (Changing which timings, reducing voltage..etc?)

Thank you!



Optional question:

CPU Overclocking:
CPU 3.8GHZ with fixed Vcore of 1.2125V (1.206 when load in Windows), CPU LLC Level 2, SOC LLC Level 2. "C6" disabled also "c-state" are disabled. Temp is 40c idle and 72c Prime95 Small (Ambient 28c). I feel this temp is a little too hight, isn't it?
 
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#2,213 ·
Hi all,

I'm new to Ryzen and very new to RAM overclocking in general so I hope I don't come across as a total noobie :)
I've been reading this forum post these past few weeks trying to make sense of it all and I must say the overclocking results are looking more and more impressive every day and I have finally decided to post my own findings.
I seem to be stuck overclocking my RAM past 3200. I have tried many of your suggested tweaks from the calculator and thanks to the guidance I have been able to tune my RAM to run at both fast and extreme settings. I can boot my system without any issues at 3400 and 3533 however I just can't pass the stability tests. (tried just a quick AIDA64 stress test and it fails after 2 mins)
I'm using 'Import XMP' function from Thaiphoon Burner. This method gives me higher tFAW and tRRDS / tRRDL values than V1/V2 profiles. However my motherboard seem to be locked to '54' max for tFAW, so unfortunately I can't try some of the profiles that set my tFAW to '60'
Here are my thoughts on my overclock so far:

Looking at my Ryzen Timing Checker results, for some reason all values I set to '0' as per recommendation show up as '1/31'
(AddrCmdSetup, CsOdtSetup, CkeSetup) Is this normal ? I can't figure out why this is.

ANother thing I want to mention is that I can't find 'DQS str' setting anywhere in my BIOS. Is this setting super essential ?
(BGS alt is also nowhere to be found but it seems to default to 'enabled')

VTT DRR Voltage in my BIOS seems to move up in rather large increments e.g from 0.7 to 0.715 to 0.725 etc I assume this doesn't need to follow to recommend value exactly ? So far I've been trying to keep somewhere within both recommended values and the other 2 alternative values but it always seem to fall few volts outside of the recommended values. (as far as I understand this should be around half of voltage for RAM)

Some settings from 'debug voltage' I'm not even entirely sure I found the correct entries in the BIOS because the names are slightly different, I assume these are the voltages with similar names just below 'VTT DRR' voltage in 'tweaker's paradise'

And one last question is how important are these BIOS options :

Opcache - disable
L1 Stream HW Prefetcher - enable
L2 Stream HW Prefetcher - enable
Memory clear - disable
Super I/O Clock Skew - disable

Do I always need to enable these options or case by case basis or in a worst case scenario ?
Also 'Super I/O Clock Skew' setting is nowhere to be found in my BIOS, I tried browsing and using the 'search' BIOS utility.

I was hoping to give it another go to try go above 3200 when the new version of DRAM calculator comes out.
I appreciate your comments and thanks for being awesome ! :)
 

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#2,214 ·
amazinspacefrog said:
Hi all,

I'm new to Ryzen and very new to RAM overclocking in general so I hope I don't come across as a total noobie :)
I've been reading this forum post these past few weeks trying to make sense of it all and I must say the overclocking results are looking more and more impressive every day and I have finally decided to post my own findings.
I seem to be stuck overclocking my RAM past 3200. I have tried many of your suggested tweaks from the calculator and thanks to the guidance I have been able to tune my RAM to run at both fast and extreme settings. I can boot my system without any issues at 3400 and 3533 however I just can't pass the stability tests. (tried just a quick AIDA64 stress test and it fails after 2 mins)
I'm using 'Import XMP' function from Thaiphoon Burner. This method gives me higher tFAW and tRRDS / tRRDL values than V1/V2 profiles. However my motherboard seem to be locked to '54' max for tFAW, so unfortunately I can't try some of the profiles that set my tFAW to '60'
Here are my thoughts on my overclock so far:

Looking at my Ryzen Timing Checker results, for some reason all values I set to '0' as per recommendation show up as '1/31'
(AddrCmdSetup, CsOdtSetup, CkeSetup) Is this normal ? I can't figure out why this is.

ANother thing I want to mention is that I can't find 'DQS str' setting anywhere in my BIOS. Is this setting super essential ?
(BGS alt is also nowhere to be found but it seems to default to 'enabled')

VTT DRR Voltage in my BIOS seems to move up in rather large increments e.g from 0.7 to 0.715 to 0.725 etc I assume this doesn't need to follow to recommend value exactly ? So far I've been trying to keep somewhere within both recommended values and the other 2 alternative values but it always seem to fall few volts outside of the recommended values. (as far as I understand this should be around half of voltage for RAM)

Some settings from 'debug voltage' I'm not even entirely sure I found the correct entries in the BIOS because the names are slightly different, I assume these are the voltages with similar names just below 'VTT DRR' voltage in 'tweaker's paradise'

And one last question is how important are these BIOS options :

Opcache - disable
L1 Stream HW Prefetcher - enable
L2 Stream HW Prefetcher - enable
Memory clear - disable
Super I/O Clock Skew - disable

Do I always need to enable these options or case by case basis or in a worst case scenario ?
Also 'Super I/O Clock Skew' setting is nowhere to be found in my BIOS, I tried browsing and using the 'search' BIOS utility.

I was hoping to give it another go to try go above 3200 when the new version of DRAM calculator comes out.
I appreciate your comments and thanks for being awesome ! :)
Click to expand...

Super I/O Clock Skew, That is the setting i can't find either on my BIOS.. Weird. Maybe its disabled or enabled by default? I ask Elmor about this. Thnx, i forgot how that setting was called btw.
 
#2,215 · (Edited)
hurricane28 said:
Super I/O Clock Skew, That is the setting i can't find either on my BIOS.. Weird. Maybe its disabled or enabled by default? I ask Elmor about this. Thnx, i forgot how that setting was called btw.
Click to expand...

It was hidden by them on 0702, you could never just navigate to it but I found that you could use the bios search function and find lots of hidden settings on the C7H but I guess I wasnt thinking and posted my findings on Elmor's thread and the next bios update had them completely hidden. Im not sure of the reason they are hiding about 15+ settings but maybe @1usmus could stumble upon an unlocked version for the C7H? :yessir:


Also if anyone uses HCI Memtest and hates having to make a bunch of instances of it everytime check out a thread I made detailing how to automate it entirely to creating and opening a batch file. It will start as many instances as you want and enter the value you want in all of the instances as well as start it up for you and even end the test at a certain point if you wish HCI MEMTEST AUTOMATION
 
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#2,217 · (Edited)
Enferlain said:
Hey. Can I just change tCL to 13 here or do I need to mess around with the other timings as well?

Image
Click to expand...
Well, as I don’t know the details of your system. I would say that if you go to CL13 you will have errors. I would sit at 14, if you are looking for more performance my choice would be to relax tRFC to about 300, go to the Rtt settings and disable RttWr and RttNom and RttPark around RzQ6 which should be 40ohm. What kit are you running? If it’s a decent kit you can probably turn Gd mode off bc the change in Rtt settings I mentioned will more than likely give you a lot of stability over what you currently have set. You may also try Proc ODT at 53.3ohm and tCKE possibly to 1. The Rtt settings and the tRFC would more than likely keep you from jumping up to 3333mhz . You may even be able to go ahead and jump to 3400 depending on your kit. With a decent kit you usually don’t have to use GD mode or 2T until 3466 and up. Also you can take RttPark to RzQ5 or even 4 for added stability they are 48ohm and 60ohm respectively. If that is a 3200c14 kit 2x8gb then it should overclock very well. What I usually find that gives good performance on BDie for a lot of different speeds is 14-14-14-26-40-4-6-24-4-12-12-0-2-2-275-auto-auto-14-8-8-3-1-6-6-1-4-4-1. There can be tweaks to that here and there but that’s what I’ve found to be really close to a good setup of timings for BDie for most situations. Your resistance settings and dram voltage and SoC are going to be the biggest factors for stability. So, CadBus, Rtt, ProcODT are pretty heavy influences.
 
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#2,218 ·
CJMitsuki said:
Well, as I don’t know the details of your system. I would say that if you go to CL13 you will have errors. I would sit at 14, if you are looking for more performance my choice would be to relax tRFC to about 300, go to the Rtt settings and disable RttWr and RttNom and RttPark around RzQ6 which should be 40ohm. What kit are you running? If it’s a decent kit you can probably turn Gd mode off bc the change in Rtt settings I mentioned will more than likely give you a lot of stability over what you currently have set. You may also try Proc ODT at 53.3ohm and tCKE possibly to 1. The Rtt settings and the tRFC would more than likely keep you from jumping up to 3333mhz . You may even be able to go ahead and jump to 3400 depending on your kit. With a decent kit you usually don’t have to use GD mode or 2T until 3466 and up. Also you can take RttPark to RzQ5 or even 4 for added stability they are 48ohm and 60ohm respectively. If that is a 3200c14 kit 2x8gb then it should overclock very well. What I usually find that gives good performance on BDie for a lot of different speeds is 14-14-14-26-40-4-6-24-4-12-12-0-2-2-275-auto-auto-14-8-8-3-1-6-6-1-4-4-1. There can be tweaks to that here and there but that’s what I’ve found to be really close to a good setup of timings for BDie for most situations. Your resistance settings and dram voltage and SoC are going to be the biggest factors for stability. So, CadBus, Rtt, ProcODT are pretty heavy influences.
Click to expand...
Oh man thanks for that info. I have 3200CL14 Bdie and at 3200 I have never been able to turn off gear down mode. I am at 3333 14-14-14-30-54 stable with tRFC at 320. I have been unstable at any timings at anything above 3333Mhz reguardless of voltages. I also cannot undervolt the SoC on this mother board AFAIK (x470 gaming 5 wifi). I will try these setting for this kit. I have been afraid of touching all these other settings.
 
#2,219 ·
tekjunkie28 said:
CJMitsuki said:
Well, as I don’t know the details of your system. I would say that if you go to CL13 you will have errors. I would sit at 14, if you are looking for more performance my choice would be to relax tRFC to about 300, go to the Rtt settings and disable RttWr and RttNom and RttPark around RzQ6 which should be 40ohm. What kit are you running? If it’s a decent kit you can probably turn Gd mode off bc the change in Rtt settings I mentioned will more than likely give you a lot of stability over what you currently have set. You may also try Proc ODT at 53.3ohm and tCKE possibly to 1. The Rtt settings and the tRFC would more than likely keep you from jumping up to 3333mhz . You may even be able to go ahead and jump to 3400 depending on your kit. With a decent kit you usually don’t have to use GD mode or 2T until 3466 and up. Also you can take RttPark to RzQ5 or even 4 for added stability they are 48ohm and 60ohm respectively. If that is a 3200c14 kit 2x8gb then it should overclock very well. What I usually find that gives good performance on BDie for a lot of different speeds is 14-14-14-26-40-4-6-24-4-12-12-0-2-2-275-auto-auto-14-8-8-3-1-6-6-1-4-4-1. There can be tweaks to that here and there but that’s what I’ve found to be really close to a good setup of timings for BDie for most situations. Your resistance settings and dram voltage and SoC are going to be the biggest factors for stability. So, CadBus, Rtt, ProcODT are pretty heavy influences.
Click to expand...
Oh man thanks for that info. I have 3200CL14 Bdie and at 3200 I have never been able to turn off gear down mode. I am at 3333 14-14-14-30-54 stable with tRFC at 320. I have been unstable at any timings at anything above 3333Mhz reguardless of voltages. I also cannot undervolt the SoC on this mother board AFAIK (x470 gaming 5 wifi). I will try these setting for this kit. I have been afraid of touching all these other settings.
Click to expand...
A good rule of thumb on some primary timings is tCL+tRAS=tRC so your 14-14-14-30 setup means tRC should be 44 but you can bump it a hair higher if it gives you stability but never lower than that rule. Also tFAW=tRRDL multiplied by 4. The Rtt settings I mentioned are pretty huge for what I’ve seen. I rarely ever use RttNOM or RttWR, usually just RttPARK an at lower frequencies it’s usually at RzQ6 and mid frequencies you may see you need RzQ5 then around 3533+ you will probably be using RzQ4 and 3. ProcODT plays a smaller role but 48ohm-60ohm is where most sit at. I’m personally at 53.3 and never had to change. CadBus I was usually sitting at 24-24-24-24ohm for most frequencies but around 3533+ I found 30-30-40-40ohm was working better. You shouldn’t have to have a high Soc more than likely 1.1v or lower is where you need to be and DRAM voltage will probably be 1,4v or lower until around 3400+. Of course these all vary from system to system but 3200c14 BDie generally responds well to the settings I’ve mentioned and I’ve used this kit ever since Ryzen launched.
 
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#2,220 ·
CJMitsuki said:
A good rule of thumb on some primary timings is tCL+tRAS=tRC so your 14-14-14-30 setup means tRC should be 44 but you can bump it a hair higher if it gives you stability but never lower than that rule. Also tFAW=tRRDL multiplied by 4. The Rtt settings I mentioned are pretty huge for what I’ve seen. I rarely ever use RttNOM or RttWR, usually just RttPARK an at lower frequencies it’s usually at RzQ6 and mid frequencies you may see you need RzQ5 then around 3533+ you will probably be using RzQ4 and 3. ProcODT plays a smaller role but 48ohm-60ohm is where most sit at. I’m personally at 53.3 and never had to change. CadBus I was usually sitting at 24-24-24-24ohm for most frequencies but around 3533+ I found 30-30-40-40ohm was working better. You shouldn’t have to have a high Soc more than likely 1.1v or lower is where you need to be and DRAM voltage will probably be 1,4v or lower until around 3400+. Of course these all vary from system to system but 3200c14 BDie generally responds well to the settings I’ve mentioned and I’ve used this kit ever since Ryzen launched.
Click to expand...
I tried your setting and 3200mhz is faster but it still still not boot with GD disable and 1T. Absolutely refusing to.

Sent from my SM-N950U using Tapatalk
 
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