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AMD Ryzen Memory Tweaking & Overclocking Guide

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First of all I apologize for probably being one of the many to bother you with this, in my defense I've read your articles thoroughly and applied that knowledge and tools in my DRAM tweaking attempts, so I didn't come straight here to annoy you with this. But still, I am honestly sorry. The only reason I'm doing this because I am desperate. I've sent the very same message directly to the thread starter but I guess he's a busy man and it'll be more effective to ask here as well.

My PC Specs:
Ryzen 7 1700 (Stock cooler)
Asus B350-F Strix (The whole case has only 1 exhaust fan. I'll buy a new case but I think for the same money I can sell this Motherboard add the same amount of money and get a better motherboard, but I'm trying to avoid buying a new Motherboard. Can those case fans really have a major impact on memory overclock?)
GTX 1060 6GB Palit Jetstream (Not that it's relevant but still leaving it here in case it is)
G.Skill Trident Z RGB F4-3200C16D-16GTZRX when I got the ram I just plugged it in, went to bios and enabled D.O.C.P. profile for 3200MHz and it worked but the problem is that games crash after a while and when I run TestMem5 it reports many errors. At first I ran MemTest86(4 cycles) and it didn't register any error which was odd.

The stock DOCP timings are 16-18-18-18-38-56 and so on. Thaiphoon Burner says it's a Samsung B-Die but it's probably the worst of the worst Samsung B-Dies and that's why it's rated at CL16 instead of CL14. I saw that towards the end of this article that 1usmus wrote that every Samsung B-Die chip should be able to run @ 3200MHz, he even said cl14. I don't care about CL14. As long as it's 3200, cl16 and stable..

As I said, your instructions/guides were applied step by step and nothing gave satisfying results. I even went as high as 19-19-19-40 and it didn't work.
Each time I mess with CLDO VDDP voltage, SOC voltage, ProcODT, CMD2T my PC just screams. Sometimes it accepts the values but doesn't boot. I reboot the system after adjusting timings, voltages etc but instead of booting normally it's just stuck on black screen after restart and nothing happens so I have to clear CMOS. Also, I did cold boot as it was recommended, tried warm boot as well, nothing helped.

DRAM Calculator gave me some absurd timings that my RAM just wouldn't play with, not even near them. I tried timings for Samsung B-Die, which is mine, but also Samsung OEM, Hynix AFR, Hynix MFR. The reason I tried Hynix is because I saw some people recommending it to some other guy who also had a crappy binned Samsung B-Die kit.
It would mean a whole world to me if you could help me out here. I have OCD, not that severe but it's still here and it is messing with my mind not working at 3200MHz. I can't sleep well. I've been trying this for more than 2 months. It works stable only with the DOCP timings but I have to lower it to 3000MHz. Wont work with 3066, 3133 or 3200.
My motherboard doesn't have bclk settings so I couldn't edit that one.

It runs the latest bios: 5220

Click here for all the files => Screenshots and Thaiphoon report in HTML

Just images of DRAM Calculator timings:
DRAM Calculator Screenshot 1
DRAM Calculator Screenshot 2
DRAM Calculator Screenshot 3

Thank you for your time and help, I really appreciate it a lot.

With all due respect,

Best Regards
Alex

I cant answer Your questions but according to holy bible of bdie finder Your sticks sku is not on list. Wonder which one is wrong...
If thaiphoon (which i use as well) is wrong for some reason, then no wonder Your settings are not working.
hope You'll get to the bottom of this.

EDIT: This ram stick set is not on Your motherboards qualified vendors list (you can check that on asus page).
So its not been tested to work with that config on Your board. Might or might not work.
In this case it doesn't.
 
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facelessONE

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I cant answer Your questions but according to holy bible of bdie finder Your sticks sku is not on list. Wonder which one is wrong...
If thaiphoon (which i use as well) is wrong for some reason, then no wonder Your settings are not working.
hope You'll get to the bottom of this.

EDIT: This ram stick set is not on Your motherboards qualified vendors list (you can check that on asus page).
So its not been tested to work with that config on Your board. Might or might not work.
In this case it doesn't.

Thank you for your reply.
MoBo QVL isn’t something I care about. In most cases they don’t update those lists. I usually check RAM manufacturing QVL. If you go to G.Skill’s website and enter the model name, my MoBo will show up. I’ve plugged this same kit in my wife’s pc, and it works fine without tweaking it. Just plug, enabling XMP, and it works. She has b450 Gigabyte Pro rev1.0. This kit is not on her MoBo’s QVL either.
On both computers Thaiphoon shows “Samsung B-Die”. I can get you a screenshot.
The problem with this board is that no matter how I tweak the SoC or cpu voltage, either of those, it’s not working on those voltages. This board only has offset adjustment. For some reason it’s not holding up but rather sets some random voltages.

Edit:
Here's the screenshot
Screenshot_1.png
 
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Are there any TRX40 boards with a T-topology? I want to run 8 x 8 GB instead of 4 x 16 GB for aesthetic reasons.
 
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B die ?
 

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Joined
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Messages
327 (0.16/day)
System Name Harm's Rig's
Processor 5950X /2700x / AMD 8370e 4500
Motherboard Asus Prime x470 Pro / Msi GD80 990fxa
Cooling Enermax LIQMAX III ARGB 360 AIO/ Zalman cooler fan 110mm
Memory TRIDENT Z F-43600V15D-16GTZ /G.SKILL DDR4 3333CL14 FASTEST PRESET 32GB /EVGA 16Gb 2400 DDR3
Video Card(s) 1080 Ti / 290x/290a cfx
Storage 1 Sabrent Rocket NVMe 512GB / 1 SSD 250GB / 1 HHD 3 TB
Display(s) 40"TV / 24" Asus
Case TT 37 VIEW 200MM'S/ NZXT Tempest custom
Audio Device(s) Sharp Aquos
Power Supply EVGA 1300G2/Corsair w750
Mouse G502
Keyboard G413
Heat , need to monitor it ,when testing at high volts 1.48 ,will reach high 40 c,like my case with a AIO, you lose cooling affect , the difference in my system , eye opener, 48 c vs 37 c .
 

PythonesqueSpam

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I've a Gigabyte X470 Ultra Gaming with F50 bios, Ryzen 7 2700 and two sticks of Corsair Vengeance CMK16GX4M1B3000C15 16Gb memory.
Unfortunately the Chips on each ram stick are different, namely Hynix AFR and Samsung B-Die according to Tiaphoon Burner.
I've watched the Youtube video on how to use DRAM Calculator, so disabled XMP profile and input the Safe settings for Hynix AFR assuming them to be the looser timings than for Samsung B-Die.
After input of the settings the desktop reboots a few times, then when I go into the bios it shows the ram running at 2133Hz which is the default.

Am I doing something wrong, the different ram chip types, or the silicon lottery causing even Safe settings to be rejected?
 
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I've a Gigabyte X470 Ultra Gaming with F50 bios, Ryzen 7 2700 and two sticks of Corsair Vengeance CMK16GX4M1B3000C15 16Gb memory.
Unfortunately the Chips on each ram stick are different, namely Hynix AFR and Samsung B-Die according to Tiaphoon Burner.
If the two sticks came as a set together, return them as they should be matching.
Aside from that, you could try 2666MHz as I think you might not be able to go higher, especially at Cas15.
 
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Benchmark Scores Mem: 59-62ns - R/W~47GB/s CPU: Thread=2.5ns Core=18.6ns CCX=51.2ns xCCX=109.9ns Pi 1m :10.09s
I dont know if the developer of dram calc still visits these discussions but id like to firstly say thank you and then offer a suggestion for the next iteration if dram calc.

Could it be possible to also add a "memory topology" selection below the motherboard/chipset selection as i assume this would change some settings.

I'm currently using 4x8gb modules on a T-topology x470 xmp3200c14 gskill bdie modules. They are running well at 3400 14-14-14-28-44-272-1t but my soc seems to require 1.2v and i dont want to turn that any higher. Its a 2600x running pbo/xfr undervolted slightly boosts to 4150-4200 in games. 4050-4100mhz in cbR20. (240 clc/aio)

SoC Voltage: 1.2v Set BIOS (Reported HWinfo64: 1.1875 - 1.194v)
Dram voltage is 1.45v.
Rtts are 24-24-24-24
ProcODT 43.6 ohm
...
(EDIT: Added picture of timings)

I followed the dram calc settings mostly and then tweaked things to get it stable /error free in windows memory test (memtest64) and in memtest86 booted from usb.

Does anyone see anything obviously wrong or any recommendations how i could push 3600c14?

Ram has extra cooling fan blowing down on it (tied lightly to cpu temp but with minimum of 50% speeds ramping to 100 with medium load)

I feel the system works well but im open to suggestions and appreciate the help and knowledge.

If any more info or settings are needed i can get them.

TimingCHK_1.jpg


Thanks in advance :)
 
Last edited:

PythonesqueSpam

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If the two sticks came as a set together, return them as they should be matching.
Aside from that, you could try 2666MHz as I think you might not be able to go higher, especially at Cas15.
The memory sticks weren't bought as a kit, otherwise I would certainly return them.
I bought them from Amazon but at two different times, some 18 months to two years apart.

Would using a lower speed setting (2666MHz) in DRAM Calculator with SAFE timings offer faster performance?
 
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I dont know if the developer of dram calc still visits these discussions but id like to firstly say thank you and then offer a suggestion for the next iteration if dram calc.

Could it be possible to also add a "memory topology" selection below the motherboard/chipset selection as i assume this would change some settings.

I'm currently using 4x8gb modules on a T-topology x470 xmp3200c14 gskill bdie modules. They are running well at 3400 14-14-14-28-44-272-1t but my soc seems to require 1.2v and i dont want to turn that any higher. Its a 2600x running pbo/xfr undervolted slightly boosts to 4150-4200 in games. 4050-4100mhz in cbR20. (240 clc/aio)

SoC Voltage: 1.2v Set BIOS (Reported HWinfo64: 1.1875 - 1.194v)
Dram voltage is 1.45v.
Rtts are 24-24-24-24
ProcODT 43.6 ohm
...
(EDIT: Added picture of timings)

I followed the dram calc settings mostly and then tweaked things to get it stable /error free in windows memory test (memtest64) and in memtest86 booted from usb.

Does anyone see anything obviously wrong or any recommendations how i could push 3600c14?

Ram has extra cooling fan blowing down on it (tied lightly to cpu temp but with minimum of 50% speeds ramping to 100 with medium load)

I feel the system works well but im open to suggestions and appreciate the help and knowledge.

If any more info or settings are needed i can get them.

View attachment 159647

Thanks in advance :)
Give this a go
 

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Benchmark Scores Mem: 59-62ns - R/W~47GB/s CPU: Thread=2.5ns Core=18.6ns CCX=51.2ns xCCX=109.9ns Pi 1m :10.09s
Give this a go

Well i thought i didnt have errors now im sure i do.

I feel like im going backwards now. Iv tried all different voltage ranges from those provided in the dram calc all the way up to what i feel is maximum (1.2v soc 1.45v mem)

Im testing various procODT as suggested in the guide but too high and it fails to boot and too low and i get hundreds of errors and a bsod. 48/53 ohm seem the best but still getting 10+ errors per cycle in tm5 1usmus v2 test. Iv tried the suggested alternates for DrvStr ohms 20-20-20-20, ,24-24-24-24, 24-20-24-24 etc.

Just to run the xmp with everything else auto my soc wants 1.0875v so maybe im limited by the quality of my soc. (Edit: going to test with more LLC on SOC as its getting a bit of droop)

Iv tried a lot of the other suggestions too in the troubleshooting part of the guide but no luck... Still errors. any tips?


Oh DIMM temp is never over about 35c i have it cooled.
 
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2 DIMMs 3600 cl14 yes maybe, but 4 DIMMs with a 2600, even my system with 4 DIMMs and a 2700x ,that dog wont swim at 3600cl14, were both limited by our CPU'S.
 

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2 DIMMs 3600 cl14 yes maybe, but 4 DIMMs with a 2600, even my system with 4 DIMMs and a 2700x ,that dog wont swim at 3600cl14, were both limited by our CPU'S.

Yeah i guess 3400 is my limit. Thats fine i can accept that.

Now just to get rid of the errors im seeing in certain tests. Cinebench, gaming and memtest86 are fine. Prime95 is like if you run it long enough it will error but hci memtest and tm5 both show errors really fast.

Any idea what i can try to tune next? (getting pics of current config now)

Thanks
 
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Memory TRIDENT Z F-43600V15D-16GTZ /G.SKILL DDR4 3333CL14 FASTEST PRESET 32GB /EVGA 16Gb 2400 DDR3
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Power Supply EVGA 1300G2/Corsair w750
Mouse G502
Keyboard G413
Do 3333 and see what happens:)
 
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Processor R5 2600x (1.45v - PBO)
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Memory 32gb (4x G.Skill F4-3200C14-8GFX @ 3400-14-14-14-28-44-272-1t ~1.45v
Video Card(s) RTX 2080 Super - Gigabyte Gaming REV2 - @1950MHz boost / 2125MHz mem (vBIOS 90.04.7A.40.3B) - ~12tf
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Power Supply Corsair 650w 80+ Bronze
Mouse Steel Series Rival 650 @ 1000Hz
Keyboard Razer Deathstalker
Software Windows 10 64 (v 2004) - GPU 450.99 DX12 'Ultimate' driver - Latest X470 Chipset + Bios
Benchmark Scores Mem: 59-62ns - R/W~47GB/s CPU: Thread=2.5ns Core=18.6ns CCX=51.2ns xCCX=109.9ns Pi 1m :10.09s
Mem voltage is about 1.46v
max DIMM temps are 34-35c (HWINFO)

Im very happy with the performance so i dont want to push it any more or tighten any more timings ill just be happy to get rid of the errors. i have improved my SuperPi1m score and CBr20 score and reduced the latency by a good few ns...

But after 2 days with not much sleep and constantly doing 1hr tests to then get an error im getting a bit fatigued.

same timings and everything just 3333?

OK ill test that now.
 

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Joined
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System Name Harm's Rig's
Processor 5950X /2700x / AMD 8370e 4500
Motherboard Asus Prime x470 Pro / Msi GD80 990fxa
Cooling Enermax LIQMAX III ARGB 360 AIO/ Zalman cooler fan 110mm
Memory TRIDENT Z F-43600V15D-16GTZ /G.SKILL DDR4 3333CL14 FASTEST PRESET 32GB /EVGA 16Gb 2400 DDR3
Video Card(s) 1080 Ti / 290x/290a cfx
Storage 1 Sabrent Rocket NVMe 512GB / 1 SSD 250GB / 1 HHD 3 TB
Display(s) 40"TV / 24" Asus
Case TT 37 VIEW 200MM'S/ NZXT Tempest custom
Audio Device(s) Sharp Aquos
Power Supply EVGA 1300G2/Corsair w750
Mouse G502
Keyboard G413
fast 3333 .
 

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System Name Games
Processor R5 2600x (1.45v - PBO)
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Cooling Corsair H100i PRO (Asetek Gen6)
Memory 32gb (4x G.Skill F4-3200C14-8GFX @ 3400-14-14-14-28-44-272-1t ~1.45v
Video Card(s) RTX 2080 Super - Gigabyte Gaming REV2 - @1950MHz boost / 2125MHz mem (vBIOS 90.04.7A.40.3B) - ~12tf
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Mouse Steel Series Rival 650 @ 1000Hz
Keyboard Razer Deathstalker
Software Windows 10 64 (v 2004) - GPU 450.99 DX12 'Ultimate' driver - Latest X470 Chipset + Bios
Benchmark Scores Mem: 59-62ns - R/W~47GB/s CPU: Thread=2.5ns Core=18.6ns CCX=51.2ns xCCX=109.9ns Pi 1m :10.09s
Ah ok, iv just left my 3400timings and its passed 2 cycles so far lol. It wouldn't even pass 2 of the 14 tests of the first cycle before... If you have fixed it just by saying 3333 ill buy you a beer lol because i dont even know why i didnt try that... Well i kinda do im one of those people who always have their volume on an even number lol so i just went 3200 and 3400 and 3600 is all that exists lol... Lets see if it can pass all 10. Never done that before except stock xmp with dog slow auto secondary and tertiary timings and auto everything.

Great suggestion thanks
 
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Processor 5950X /2700x / AMD 8370e 4500
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Cooling Enermax LIQMAX III ARGB 360 AIO/ Zalman cooler fan 110mm
Memory TRIDENT Z F-43600V15D-16GTZ /G.SKILL DDR4 3333CL14 FASTEST PRESET 32GB /EVGA 16Gb 2400 DDR3
Video Card(s) 1080 Ti / 290x/290a cfx
Storage 1 Sabrent Rocket NVMe 512GB / 1 SSD 250GB / 1 HHD 3 TB
Display(s) 40"TV / 24" Asus
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Power Supply EVGA 1300G2/Corsair w750
Mouse G502
Keyboard G413
Joined
Jun 20, 2020
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Location
UK
System Name Games
Processor R5 2600x (1.45v - PBO)
Motherboard ASUS ROG STRIX X470-F
Cooling Corsair H100i PRO (Asetek Gen6)
Memory 32gb (4x G.Skill F4-3200C14-8GFX @ 3400-14-14-14-28-44-272-1t ~1.45v
Video Card(s) RTX 2080 Super - Gigabyte Gaming REV2 - @1950MHz boost / 2125MHz mem (vBIOS 90.04.7A.40.3B) - ~12tf
Storage 250gb 970 EVO M.2 PCIe3x4 8GT/s. 1tb Sabrent Rocket NVME (5GT/s) - 850pro 250GB SATA + 480GB sata
Display(s) 100" 1080p@60hz BenQ DLP Projector (Grey 1.1:1 Screen)
Case Thermaltake Cube X9
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Software Windows 10 64 (v 2004) - GPU 450.99 DX12 'Ultimate' driver - Latest X470 Chipset + Bios
Benchmark Scores Mem: 59-62ns - R/W~47GB/s CPU: Thread=2.5ns Core=18.6ns CCX=51.2ns xCCX=109.9ns Pi 1m :10.09s
Well i never. test passed no errors. ahahaha

Genious! now im going to save this as BIOS profile and then try 3333 fast lol

No more sleep tonight i guess haha

How do i get u a beer? u got a patreon or whatever?
 
Joined
Jul 11, 2015
Messages
327 (0.16/day)
System Name Harm's Rig's
Processor 5950X /2700x / AMD 8370e 4500
Motherboard Asus Prime x470 Pro / Msi GD80 990fxa
Cooling Enermax LIQMAX III ARGB 360 AIO/ Zalman cooler fan 110mm
Memory TRIDENT Z F-43600V15D-16GTZ /G.SKILL DDR4 3333CL14 FASTEST PRESET 32GB /EVGA 16Gb 2400 DDR3
Video Card(s) 1080 Ti / 290x/290a cfx
Storage 1 Sabrent Rocket NVMe 512GB / 1 SSD 250GB / 1 HHD 3 TB
Display(s) 40"TV / 24" Asus
Case TT 37 VIEW 200MM'S/ NZXT Tempest custom
Audio Device(s) Sharp Aquos
Power Supply EVGA 1300G2/Corsair w750
Mouse G502
Keyboard G413
Cheers ,this one on me:D
 
Joined
Jun 20, 2020
Messages
9 (0.04/day)
Location
UK
System Name Games
Processor R5 2600x (1.45v - PBO)
Motherboard ASUS ROG STRIX X470-F
Cooling Corsair H100i PRO (Asetek Gen6)
Memory 32gb (4x G.Skill F4-3200C14-8GFX @ 3400-14-14-14-28-44-272-1t ~1.45v
Video Card(s) RTX 2080 Super - Gigabyte Gaming REV2 - @1950MHz boost / 2125MHz mem (vBIOS 90.04.7A.40.3B) - ~12tf
Storage 250gb 970 EVO M.2 PCIe3x4 8GT/s. 1tb Sabrent Rocket NVME (5GT/s) - 850pro 250GB SATA + 480GB sata
Display(s) 100" 1080p@60hz BenQ DLP Projector (Grey 1.1:1 Screen)
Case Thermaltake Cube X9
Audio Device(s) S/PDIF @ 96/24 to NAD C328 DAC/AMP - Monitor Audio Bronze 5 (black) - Monitor Audio MRW10
Power Supply Corsair 650w 80+ Bronze
Mouse Steel Series Rival 650 @ 1000Hz
Keyboard Razer Deathstalker
Software Windows 10 64 (v 2004) - GPU 450.99 DX12 'Ultimate' driver - Latest X470 Chipset + Bios
Benchmark Scores Mem: 59-62ns - R/W~47GB/s CPU: Thread=2.5ns Core=18.6ns CCX=51.2ns xCCX=109.9ns Pi 1m :10.09s
Alright so im still at it.
3333 fast is working.

Reducing SOC voltages by 2steps at a time and testing to try and find lowest stable soc voltage now.

Something strange is happening with TM5 it will allocate the ram. Eg 2.4gb x 12 . Leaving about 1.4gb available.

As the test continues it will suddenly or gradually release all the ram to being available again. The time "sec/Gb" goes to 0 and the current test shows blank ("simple memory test..." Area) it never reallocates it...

There is no error and the timer keeps ticking but its obvious nothing is happening.

I have re-copoed the exe and files from backup and testing again. Do you think the program got corrupted or its due to me lowering the SOC gradually and its failing to "keep hold" of the memory?

Anyone seen this behaviour before?

Memtest in dram calc still passed the default 180 test.

Ill report back if it keeps happening or if it seems fixed

well, im finally happy.

I still have to run 1.19375v SOC and had to up the SOC LLC to level4, DRAM Voltage is 1.465v but its stable (tm)

Max temps in p95 are 72c cpu and 35c ram.

Been testing several programs for many hours now. TM5, HCI Memtest, Memtest64, p95, occt... all seem ok.

Thanks for the help
 

JMF

New Member
Joined
Jul 20, 2020
Messages
3 (0.02/day)
I made an account just to post here with much gratitude to 1usmus for creating the calculator tool and most excellent guide for using it. I also want to share my experience with the hopes it helps a few people out.

I just built a R5/3600 system to serve as a DAW LAN box. It's not a gamer rig but I did spring for some features that gamers would too, just not the GPU (RX5500). Dual 970 plus PCIe4 NVMe in RAID 0 along with a pair of EVO 860 SATA3 drives, also in RAID 0 for a total of 4Tb storage (2+2 TB: high quality audio files are 2Mb/second of sound, one hour is 7.2 Gb!). Arctic 120mm AIO for the CPU- Yea, yea, I know 120 rad vs. high end air is a bit of a toss up for performance and cost. Water damages computers and all that. It's a SFF build and meant to be portable; a large, heavy air cooler carries the risk of damaging the PCB or traces with transportation. One good jolt and the torque applied to the socket can damage traces. And come on guys, it's a non-overclocked 65w TDP processor.

First AMD system I built since the days of the 8086XT. ASUS X570i STRIX (BIOS 1407) with G.SKILL Ripjaws V (2 x 16GB) DDR4 3200 (PC4 25600) F4-3200C14D-32GVK (confirmed dual rank B-die Rev A3-I ripped off the heat spreaders, XMP 3200MHz Cl14 1.35v). No real intent to overclock for a daily driver. Put it together and everything worked just fine on auto. Found the DRAM Calculator v 1.7.3 and used the result. Beautiful improvement over the XMP timings, still at stock XMP frequency/voltage. Tried to overclock the RAM but it simply would not post above 3200MHz. OK, all good. Stock CPU with timings optimized RAM makes me happy. Goal achieved with very little effort.

Enter BIOS 2407. What a cluster that flash was for me. I reset everything to XMP settings and it corrupted my OS. Great- 1.2Tb of files I'll have to copy again. JDEC spec is all I could get to boot and run. For three days I ran through everything I knew on memory trying for anything better than JDEC. Then I read the guide and things started happening. I began to understand how the relationships between CAD, ODT, and the voltages that are entangled with them. I really dug into each setting with new understanding and was able to better my previous attempts.

First, do note this is specific to dual rank A2/A3 B-die 2x16gb DIMMs on a dual DIMM board. This may or may not work on Daisy Chain or T-Topology. Voltages might be higher than needed for 2x8Gb or 4x8Gb configurations.

For the simple 3200MHz 14-14-14-34 1.35v XMP- Proc_ODT 60.0 ohm- allowed POST, CAD 24-24-24-24 allowed the OS to boot. SoC 1.025v , lower is not stable.
DIMM 1.35v, all other settings AUTO.
36 hours of various torture tests convinced me it's stable, so I thought I'd try to overclock the RAM again. Used the 1.7.3 calculator again and said YOLO. I went for 3600MHz C14 on the fast setting recommendations. What do you know this time not only did it post, it booted windows!

But it wasn't stable by any means. Stress tests detected failure within seconds. But I wasn't deterred. I read the guide. I had a mission now. Reboot, change settings, test, repeat. Failures went from seconds to minutes, then to hours. I've run a full day now under full load and 10 hours through the second 24 hour run with AIDA64. Tomorrow morning I'll fire up Prime95.

2x16Gb B-Die memory running at 3600MHz 14-14-14-28-42-4-6-16-4-12-12-4-4-288(302, 416)-14-8-8-4-1-7-7-1-5-5-1
Some of those timings are tighter than the calculator recommends for the FAST setting.

vCPU=1.3750 LLC3 120% VRM 400kHz Power duty [EXTREME] Ultra fast (runs at/near full boost always)
vDRAM=1.430 (48C, 82F ambient- 1.420 went 5 hours stable, 1.425 went 17 hours)
vSOC=1.100 LLC3 120% VRM 400kHz [EXTREME] (1.1V required for stability).
vDDG (both)=1.050 (min 1.000 to post, 1.020 to boot, 1.030 to bench. Optimal at -50mV from SoC at all settings.)
vCLDO=1.100 (min .900 to post. 0.950-1.050 is boot/bench stable but fails with time. Optimal at =SoC at all settings.)
Proc_ODT=60 (53 and 68 will not post)
RTT_NOM=RZQ3 (80) (Auto/Disabled and 4 (60) are unstable. 2(120) is stable at slight performance loss. 1(240) and 5(53) will not post.)
RTT_WR=RZQ3 (80) (only setting that will post)
RTT_Park=RZQ4 (60) (3 (80) is stable with the exception of windows fails to shut down properly. 5 (53) fails to post)
CAD 24-24-24-24 (24-20-24-24 and 24-20-20-24 bench better but are unstable. 24-30-24-24 may provide better stability, but at a slight cost to performance.)
GDM=ENABLED- disabled reduces bandwidth .5% and increases latency 10%
PDM=DISABLED

I got to that point starting with the DRAM Calculator's recommended (SAFE) settings for dual rank A3/A2 Bdie at 3600MHz:
14-14-15-14-30-44-6-8-24-4-12-24-5-5-468-525-14-8-8-4-1-7-7-1-5-5-1
vDRAM=1.35-1.39
vSoC= 1.000-1.050
vDDG (both)= 0.900-0.950
vCLDO= 0.900-1.050
RTT_NOM= RZQ7 fails to post, Disabled/Auto.
RTT_WR=RZQ3
RTT_Park=RZQ1-fails to post, Disabled/Auto.
CAD= 24-20-24-24, 24-20-20-24, 40-20-24-24, 24-24-24-24
GDM=Enabled/Disabled
PDM=Disabled
PROC_ODT= 43.6, 48, 53- wont post. Only 60 will post.

Final thoughts:
Start with ODT, RTT, and CAD settings. This is likely your issue.
TRC_DRD going from the recommended 15 to 14 while also adjusting TRAS and TRC to match does very little for performance. It has a HUGE impact on temperature at the same voltages. For me, it was an instant 4C idle and 12C under load increase. Probably impacts stability/voltage needs quite a bit.
16Gb sticks may need a little more voltage than the calculator recommends. Keep an eye on your temperatures. SOC may need a little extra voltage and current for running 2x16Gb dual rank DIMMs. Be sane and go slow, one step setting at a time.
Adjust SOC, DDG, and LDO together. Don't try to do them one at a time.

Attached screen shot of second AIDA run, still in progress. Please do note that ambient temperature is currently 86F (30C). I'm actually quite stoked for the chance to worst-case test the operating temperatures and stability. It should be 96F (35.5C) here for the next couple of days.
 

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Joined
Mar 2, 2019
Messages
116 (0.17/day)
System Name My PC
Processor AMD 2700 x @ 4.1Ghz
Motherboard Gigabyte X470 Aorus Gaming
Cooling Zalman CNPS20X
Memory Corsair Vengeance LPX Black 32GB DDR4
Video Card(s) Sapphire Radeon RX 570 PULSE
Storage Adata Ultimate SU800
Case Phanteks Eclipse P500A
Audio Device(s) Logitech G51
Power Supply Seasonic Focus GX, 80+ Gold, 550W
Keyboard Roccat Vulcan 121
Is it safe to run a 2x16 Kit at PROC_ODT 80 daily? ca it impact damage hardware?
 

craxton

New Member
Joined
Dec 30, 2019
Messages
8 (0.02/day)
idk if this has been said, but for dram calc to work properly, you must import your XMP profile by using typhoon burner and make sure when you hit report to show delays in nano seconds...to create an HTML complete copy then import to dram calc. and the advanced section has some stuff that beginners need to study up on. itll take trial and error (myself about 3 days) to actually get stable in TM5 extreme profile config, hci memtest paid version, and prime 95 small fft. not always will dram calc work properly. as you can see my timings are somewhat better than what dram gave me. but as i stated it took days of trial and error.

Is it safe to run a 2x16 Kit at PROC_ODT 80 daily? ca it impact damage hardware?
yes try 36.9 perople running 4x8 sticks dont need 80ohms bro at extreme timings.without GDM and being on 1t...
 

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FishgoGluglu

New Member
Joined
Dec 13, 2020
Messages
1 (0.03/day)
I made an account just to post here with much gratitude to 1usmus for creating the calculator tool and most excellent guide for using it. I also want to share my experience with the hopes it helps a few people out.

I just built a R5/3600 system to serve as a DAW LAN box. It's not a gamer rig but I did spring for some features that gamers would too, just not the GPU (RX5500). Dual 970 plus PCIe4 NVMe in RAID 0 along with a pair of EVO 860 SATA3 drives, also in RAID 0 for a total of 4Tb storage (2+2 TB: high quality audio files are 2Mb/second of sound, one hour is 7.2 Gb!). Arctic 120mm AIO for the CPU- Yea, yea, I know 120 rad vs. high end air is a bit of a toss up for performance and cost. Water damages computers and all that. It's a SFF build and meant to be portable; a large, heavy air cooler carries the risk of damaging the PCB or traces with transportation. One good jolt and the torque applied to the socket can damage traces. And come on guys, it's a non-overclocked 65w TDP processor.

First AMD system I built since the days of the 8086XT. ASUS X570i STRIX (BIOS 1407) with G.SKILL Ripjaws V (2 x 16GB) DDR4 3200 (PC4 25600) F4-3200C14D-32GVK (confirmed dual rank B-die Rev A3-I ripped off the heat spreaders, XMP 3200MHz Cl14 1.35v). No real intent to overclock for a daily driver. Put it together and everything worked just fine on auto. Found the DRAM Calculator v 1.7.3 and used the result. Beautiful improvement over the XMP timings, still at stock XMP frequency/voltage. Tried to overclock the RAM but it simply would not post above 3200MHz. OK, all good. Stock CPU with timings optimized RAM makes me happy. Goal achieved with very little effort.

Enter BIOS 2407. What a cluster that flash was for me. I reset everything to XMP settings and it corrupted my OS. Great- 1.2Tb of files I'll have to copy again. JDEC spec is all I could get to boot and run. For three days I ran through everything I knew on memory trying for anything better than JDEC. Then I read the guide and things started happening. I began to understand how the relationships between CAD, ODT, and the voltages that are entangled with them. I really dug into each setting with new understanding and was able to better my previous attempts.

First, do note this is specific to dual rank A2/A3 B-die 2x16gb DIMMs on a dual DIMM board. This may or may not work on Daisy Chain or T-Topology. Voltages might be higher than needed for 2x8Gb or 4x8Gb configurations.

For the simple 3200MHz 14-14-14-34 1.35v XMP- Proc_ODT 60.0 ohm- allowed POST, CAD 24-24-24-24 allowed the OS to boot. SoC 1.025v , lower is not stable.
DIMM 1.35v, all other settings AUTO.
36 hours of various torture tests convinced me it's stable, so I thought I'd try to overclock the RAM again. Used the 1.7.3 calculator again and said YOLO. I went for 3600MHz C14 on the fast setting recommendations. What do you know this time not only did it post, it booted windows!

But it wasn't stable by any means. Stress tests detected failure within seconds. But I wasn't deterred. I read the guide. I had a mission now. Reboot, change settings, test, repeat. Failures went from seconds to minutes, then to hours. I've run a full day now under full load and 10 hours through the second 24 hour run with AIDA64. Tomorrow morning I'll fire up Prime95.

2x16Gb B-Die memory running at 3600MHz 14-14-14-28-42-4-6-16-4-12-12-4-4-288(302, 416)-14-8-8-4-1-7-7-1-5-5-1
Some of those timings are tighter than the calculator recommends for the FAST setting.

vCPU=1.3750 LLC3 120% VRM 400kHz Power duty [EXTREME] Ultra fast (runs at/near full boost always)
vDRAM=1.430 (48C, 82F ambient- 1.420 went 5 hours stable, 1.425 went 17 hours)
vSOC=1.100 LLC3 120% VRM 400kHz [EXTREME] (1.1V required for stability).
vDDG (both)=1.050 (min 1.000 to post, 1.020 to boot, 1.030 to bench. Optimal at -50mV from SoC at all settings.)
vCLDO=1.100 (min .900 to post. 0.950-1.050 is boot/bench stable but fails with time. Optimal at =SoC at all settings.)
Proc_ODT=60 (53 and 68 will not post)
RTT_NOM=RZQ3 (80) (Auto/Disabled and 4 (60) are unstable. 2(120) is stable at slight performance loss. 1(240) and 5(53) will not post.)
RTT_WR=RZQ3 (80) (only setting that will post)
RTT_Park=RZQ4 (60) (3 (80) is stable with the exception of windows fails to shut down properly. 5 (53) fails to post)
CAD 24-24-24-24 (24-20-24-24 and 24-20-20-24 bench better but are unstable. 24-30-24-24 may provide better stability, but at a slight cost to performance.)
GDM=ENABLED- disabled reduces bandwidth .5% and increases latency 10%
PDM=DISABLED

I got to that point starting with the DRAM Calculator's recommended (SAFE) settings for dual rank A3/A2 Bdie at 3600MHz:
14-14-15-14-30-44-6-8-24-4-12-24-5-5-468-525-14-8-8-4-1-7-7-1-5-5-1
vDRAM=1.35-1.39
vSoC= 1.000-1.050
vDDG (both)= 0.900-0.950
vCLDO= 0.900-1.050
RTT_NOM= RZQ7 fails to post, Disabled/Auto.
RTT_WR=RZQ3
RTT_Park=RZQ1-fails to post, Disabled/Auto.
CAD= 24-20-24-24, 24-20-20-24, 40-20-24-24, 24-24-24-24
GDM=Enabled/Disabled
PDM=Disabled
PROC_ODT= 43.6, 48, 53- wont post. Only 60 will post.

Final thoughts:
Start with ODT, RTT, and CAD settings. This is likely your issue.
TRC_DRD going from the recommended 15 to 14 while also adjusting TRAS and TRC to match does very little for performance. It has a HUGE impact on temperature at the same voltages. For me, it was an instant 4C idle and 12C under load increase. Probably impacts stability/voltage needs quite a bit.
16Gb sticks may need a little more voltage than the calculator recommends. Keep an eye on your temperatures. SOC may need a little extra voltage and current for running 2x16Gb dual rank DIMMs. Be sane and go slow, one step setting at a time.
Adjust SOC, DDG, and LDO together. Don't try to do them one at a time.

Attached screen shot of second AIDA run, still in progress. Please do note that ambient temperature is currently 86F (30C). I'm actually quite stoked for the chance to worst-case test the operating temperatures and stability. It should be 96F (35.5C) here for the next couple of days.
Hey there, i just the account telling you that it is possible on booting to windows with 4000-4600 mhz, but loose timming, atm i am not twekering, but i will post my results here, keep it up, i am looking forward on ur achievement ( im using msi x570 unify + 3950x, side note on a 6800xt if the ram is not stable the gpu or the software crashes )
 
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