Tuning RAM question

[Mussels]

He doesn't have an MSI board

Asus in AGESA 1206:

View attachment 268038

Unfortunately, I know Asus intentionally hides a lot of adjustments for PRIME/TUF/STRIX. Been a while since I had my TUF mATX, not sure if it has PLL

I havent messed with that one myself - that's worth adjusting to get higher clocks from the IF without WHEAs?

 

[tabascosauz]

I havent messed with that one myself - that's worth adjusting to get higher clocks from the IF without WHEAs?

Like everything else it's not set in stone.

Not necessary on my 5900X, useless on my 5800X3D, but easy enough to try, nothing to lose

 

[Mussels]

Like everything else it's not set in stone.

Not necessary on my 5900X, useless on my 5800X3D, but easy enough to try, nothing to lose

Poo. I'd have loved to get this fully stable with higher than 3866, but in all honesty my RAM overclocking skills peaked with DDR1 - these days i just have notepad files with info from people who are better at it than me

 

[tabascosauz]

Poo. I'd have loved to get this fully stable with higher than 3866, but in all honesty my RAM overclocking skills peaked with DDR1 - these days i just have notepad files with info from people who are better at it than me

Doesn't mean it'll be useless on yours

But I don't care much for RAM anymore, 5800X3D took away reason to care about it, get the same performance anyway

 

[Mussels]

Doesn't mean it'll be useless on yours

But I don't care much for RAM anymore, 5800X3D took away reason to care about it, get the same performance anyway

Ah but you're forgetting:

Big.
Numbers.


TRFC is the only timing i have to change as my clocks go up and i got no idea since no one else overclocks 32GB sticks on DDR4, so i just randomly try values til she's stable

 

[tabascosauz]

Ah but you're forgetting:

Big.
Numbers.

TRFC is the only timing i have to change as my clocks go up and i got no idea since no one else overclocks 32GB sticks on DDR4, so i just randomly try values til she's stable

5800X3D doesn't get big numbers it's got the writes of a 1CCD part, and has worse latency than any other Zen 3 CPU

Anyways, PLL isn't groundbreaking but it's another useful addition to your toolbox in dealing with Bus/Interconnect WHEAs. Use them at your discretion if you need them to stabilize Fabric

 

[lance36]

5800X3D doesn't get big numbers it's got the writes of a 1CCD part, and has worse latency than any other Zen 3 CPU

Anyways, PLL isn't groundbreaking but it's another useful addition to your toolbox in dealing with Bus/Interconnect WHEAs. Use them at your discretion if you need them to stabilize Fabric

New timings new error! Check this out. Got that fan going! Time to troubleshoot!

I might needs some help with ideas and how far I can go. I get error 13, it says it's almost always related to voltage. The pic will let you know where I'm at. I know I can take the VDIMM to 1.5v with temps under 50c, well they don't get much over 40c now. The max I can do with the SOC is 1.2v. My question is far can I go with CLDO, CCD, and IOD?

 

[3x0]

Slightly increase tRC and tRFC (for ex tRC 48 and tRFC 260+) and see if it fixes the #13 error. Those timings are temp sensitive, and #13 is related to overheating.

 

[tabascosauz]

Nice going with the fan. Temps look amazing. No qualms with going to or beyond 1.5V VDIMM now that you have the cooling for it.

• VDDP: 0.9-1.0V, generally doesn't make much difference so keep it low if you can
• VDDG_CCD: try for 0.95-1.0V, generally doesn't need to be as high or important as IOD
• VDDG_IOD: try for 50mV (0.05V) below VSOC
• VSOC: try for 1.10-1.15V for now at 3733 or 3800

The last screenshot looks fine in terms of VSOC. I'd drop VDDP to 0.95 if possible, drop CCD to 1.0, and leave IOD where it is as long as you don't get WHEAs.

Try to eliminate that #13 error through VDIMM alone. You can drop your tRTP back to 6, clearly it didn't help.

I run this right now at 1.53V, so you've got plenty of room to add more volts:

 

[lance36]

Nice going with the fan. Temps look amazing. No qualms with going to or beyond 1.5V VDIMM now that you have the cooling for it.

• VDDP: 0.9-1.0V, generally doesn't make much difference so keep it low if you can
• VDDG_CCD: try for 0.95-1.0V, generally doesn't need to be as high or important as IOD
• VDDG_IOD: try for 50mV (0.05V) below VSOC
• VSOC: try for 1.10-1.15V for now at 3733 or 3800

The last screenshot looks fine in terms of VSOC. I'd drop VDDP to 0.95 if possible, drop CCD to 1.0, and leave IOD where it is as long as you don't get WHEAs.

Try to eliminate that #13 error through VDIMM alone. You can drop your tRTP back to 6, clearly it didn't help.

I run this right now at 1.53V, so you've got plenty of room to add more volts:

View attachment 268209

News 10 minutes in and I have a error code 3. A tfrc 2 issue. Not the end of the world just needs to be dialed in. Thoughts, I'll screen shot the troubleshooting advice when the test ends. Oh at 14 minutes I'm seeing 39.2c

I got a code 3 about ten minutes in and another code 13 17 minutes in. Temps only get to 39.2. The only thing that worries me is that I think my IOD is topped out. I didn't boot it but if I type anything higher than the screen shot it turns red. oh and my SOC is 1.125. I feel like trfc 2 might need to be 196 that would make it in the 32 block range

 

[tabascosauz]

tRFC2 and tRFC4 are utterly irrelevant. You can just ignore them

Are you at 1.5V yet? Not much point testing further if you aren't, gotta be willing to push the volts if you wanna run tRFC at 130ns. Back off to 140-150ns if not

 

[lance36]

tRFC2 and tRFC4 are utterly irrelevant. You can just ignore them

Are you at 1.5V yet? Not much point testing further if you aren't, gotta be willing to push the volts if you wanna run tRFC at 130ns. Back off to 140-150ns if not

I'm at 1.5 testing now

tRFC2 and tRFC4 are utterly irrelevant. You can just ignore them

Are you at 1.5V yet? Not much point testing further if you aren't, gotta be willing to push the volts if you wanna run tRFC at 130ns. Back off to 140-150ns if not

Got another error 13 moving on to 1.51v

tRFC2 and tRFC4 are utterly irrelevant. You can just ignore them

Are you at 1.5V yet? Not much point testing further if you aren't, gotta be willing to push the volts if you wanna run tRFC at 130ns. Back off to 140-150ns if not

I'm stepping up to 1.52v now. When should I stop......

 

[tabascosauz]

I'm at 1.5 testing now


Got another error 13 moving on to 1.51v


I'm stepping up to 1.52v now. When should I stop......

For 3733? Probably up to 1.55V if you plan to run tight like this.

 

[lance36]

For 3733? Probably up to 1.55V if you plan to run tight like this.

Error 13 again, at 1.53v, I'll pick up again tomorrow after work.

 

[tabascosauz]

Error 13 again, at 1.53v, I'll pick up again tomorrow after work.

I really think you should back off tRFC a bit if this keeps up

And/or relax tRAS and tRC a bit (ie. 28 and 42)

 

[lance36]

I really think you should back off tRFC a bit if this keeps up

And/or relax tRAS and tRC a bit (ie. 28 and 42)

Probably a good idea. I'll do that

Alright this is what I'm getting where should I start. I did do this at 1.5v

 

[3x0]

Might try increasing tRDWR to 9 or 10. I think it's best to let it run for longer and see all the errors that will pop up instead of focusing on the first.

 

[lance36]

Might try increasing tRDWR to 9 or 10. I think it's best to let it run for longer and see all the errors that will pop up instead of focusing on the first.

It's the only error now

 

[3x0]

It's the only error now

Only error in how many cycles?

 

[lance36]

Only error in how many cycles?

A full run

 

[3x0]

A full run

A full run can be 3 or 250 cycles, depends how you configure it

 

[lance36]

A full run can be 3 or 250 cycles, depends how you configure it

I picked the 1munis config

 

[tabascosauz]

Loosening by 2ns is not what I meant when I said back off tRFC
Just run 140ns for now, 260

 

[lance36]

Loosening by 2ns is not what I meant when I said back off tRFC
Just run 140ns for now, 260

View attachment 268382

MAN okay,

So I got an error 9 this time. I did increase my tRP so I'll decrease vDIMM by +0.01

This is it, had to step it down too 1.495v

 

[tabascosauz]

congratz. Run some anta777 for 10-15 cycles? There's an absolut config now, not sure if it's included in the .zip, but Extreme1 should be fine still