DRAM Calculator

Kevin Matthews · 13 Mar 2020 at 20:57

Hi Guys,

Tried using the DRAM calculator to manually change the timings. So once run memtest86 once it gets to test #6 starts to show two errors. Don't get no BSOD or anything before hand even with Xmp. Any ideas?

Thanks
Kev

Kevin Matthews · 13 Mar 2020 at 21:39

Joxeon said:
If your getting errors then it's not stable so you would need too adjust timings or try bumping the voltage.

Is it worth it I've XMP normally which seems to be fine, what would you suggest?

Here are settings I used sorry for the phone picture.

https://ibb.co/60fX8hD

Kevin Matthews · 13 Mar 2020 at 22:10

Joxeon said:
What are the timings when you set xmp?

In bios or cpu z?

Kevin Matthews · 13 Mar 2020 at 23:01

Joxeon said:
What are the timings when you set xmp?

Kevin Matthews · 13 Mar 2020 at 23:30

Joxeon said:
Ok what I would do is dial in 3600 speed in the dram calc and see if you can run with the timings it spits out at either safe or fast.

The first screen shot was the safe settings with alt trfc

Kevin Matthews · 14 Mar 2020 at 13:49

Joxeon said:
Running 3600/16 is the sweet spot on ryzen 3000 and maybe easier to achieve stability over 3200/14 and will also perform slightly better as you get the benefit from a higher infinity fabric.

Here is ryzen master settings:

Kevin Matthews · 14 Mar 2020 at 14:18

Joxeon said:
Set the speed on dram calc to 3600 and try safe timings.

OK mate, also the section with trfc and trfc(alt) in bios I've got trfc 1/2/4 which changes to the same for all? I've just left on auto.

When I run memtest if I get errors would you increase the voltage slightly?

What's the highest you would go to?

Kevin Matthews · 14 Mar 2020 at 15:52

Memtest has been running now an hour stilll no errors.. How do you check for stability @Joxeon

Kevin Matthews · 14 Mar 2020 at 19:51

Joxeon said:
I normally leave it running over night just to make sure I would say a minimum of 4 hours to be safe.

Sorry for the bad quality

upload

Kevin Matthews · 14 Mar 2020 at 20:20

Joxeon said:
If you go to the membench section on the dram calculator there is a memtest on their which is pretty good.

Okay, well might aswell wait for this one to be finish not be long.

Kevin Matthews · 27 Mar 2020 at 13:04

Hi @Joxeon

Just wondering if you can help me improve latency. On the dram calculator it says best result is 108. 5 and my current result is 128.42 for 3600.

Everything been stable no crashes.

Thanks
Kevin

Kevin Matthews · 27 Mar 2020 at 22:43

@Joxeon

Kevin Matthews · 28 Mar 2020 at 11:51

Joxeon said:
You should be able to get trfc down quite a bit, maybe to the 300s if your lucky.

Also looking at a Dram calc SS you have your ram set as dual rank, is this correct?

You could also push for higher than 3600 as up to 3800 can work but this depends on the CPU IMC, going over 3600 usually means you have to manually set the FCLK which should be half the ram speed.

I've got 4x8gb inserted so I'm guessing that it should be dual?

Also I've left my TRC to Auto as DRAM settings shows two different reading TRC and Alt one. So wasn't sure in which one.

Kevin Matthews · 28 Mar 2020 at 13:45

@Joxeon -

Also I've the SoC voltage set to 1.1125 and also the DRAM Voltage at 1.42

But giving me error in test so have increased it 1.45.

What would I set the Trfc at?

Kevin Matthews · 28 Mar 2020 at 14:31

Joxeon said:
I would just try dialing in trfc to 400 and see if that's stable.

Okay, also the voltage part as bit wary. What's safe voltages, all I do is game have stock cooler so nothing fancy.

Kevin Matthews · 28 Mar 2020 at 15:00

@Joxeon

That's what I got there.

Kevin Matthews · 28 Mar 2020 at 22:03

Buffalo2102 said:
Look at your CPU-Z image on the first page - it shows on the right that it's single rank RAM.

Yeah it's single also shows that on the thaiphoon page.

Reverted back to the 3600.. But now getting errors there also.

Kevin Matthews · 29 Mar 2020 at 19:21

willhub said:
Just to ask,when using DRAM calculato, do you upload your XMP profile, then the front page alter all those timings that it suggests in the bios?

If you change the speed to higher should I keep the timings and increase voltage? Because by default it doesn't increase my speed when I upload the profile, just changes the timings.

Should I in theory be able to copy those to my bios? There is so many different timings and it's all segmented in my bios it seems very complex.

There is couple of YouTube tutorials that I found really helpful. I insert the timings into my bios and then increase voltages until I feel like I'm stable.. Currently testing now just hit the 5 hour mark with Karhu Ram Test. Yesterday was picking error up in first few minutes.

Will upload screenshot of ryzen master settings.

Kevin Matthews · 29 Mar 2020 at 20:05

Hi @Joxeon

Here is screenshot of ryzen master. finally got somewhere with 3800 with safe preset. Ran a test for 5 hours and 30 minutes so going to try some gaming now hopefully stable.

Let me know if would suggest anything

Thanks
Kevin

Kevin Matthews · 29 Mar 2020 at 22:57

Joxeon said:
see if you can reduce TRFC as this will improve latency, I think I have mine at 280 but that's with b-die but you might be able to get into into the 300s with Hynix.

Yes, I've took the fast preset off dram and tried it so gonna try and lower the Trfc its currently at 504 now.