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Zen 4 IMC voltages help + DRAM power delivery help


neurotix

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Premium Platinum - Lifetime

Hey all,

 

First question.

My Asus ROG Strix X670-E Gaming board is giving the CPU memory controller 1.465v on Auto. My memclk is at 3100 because my RAM is at 6200MHz. I can provide bios screenshots with my phone, if need be.

 

I find this voltage to be ridiculous and am wondering if it can be lowered and to what voltage keeping in mind my really great memory OC and that it's stable right now, so I would need to rerun stress tests and also if lowering the voltage results in lower scores in AIDA64 I will put it back on Auto.

 

Second question:

In the Advanced DRAM overclocking menu at the bottom of my bios there are two settings currently on Auto that I am interested in. One is the DRAM switching frequency in Hz (I assume) and the other is the power limit the RAM can draw in Amps. Should I max these out and see if I get better bench scores in AIDA64? These previously used to be in the Digi+VRM section on ROG boards, but they're not on this board/bios, they usually were at the bottom of the Digi+ menu but instead they are moved to the bottom of the advanced dram settings.

 

Any help/advice appreciated and thanks in advance.

$5500

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CPU: Ryzen 9 7900X3D 2100MHz fclk
RAM: G.skill TridentZ5 7600MHz 36-45-45-45 1.425v
GPU: MSI RTX 4090 Gaming X Trio 3.135GHz/12.152GHz
MOTHERBOARD: Asus ROG Strix X670E-E Gaming Wifi
SSD/NVME: Crucial T700 1TB Gen 5 M.2
MONITOR: Acer Ultrawide Curved 3440x1440 144Hz HDR400 FreeSync
CASE: anidees Ai Crystal AR3 Midtower
CPU COOLER: EK Nucleus AIO CR360 Dark w/ PTM7950
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CPU: Ryzen 9 5900x PBO 4.95GHz
GPU: MSI RTX 3060 Ventus
RAM: G.skill Flare X DDR4 3733MHz 16-16-16-32-50 1T GDM on
MOTHERBOARD: ASUS ROG Crosshair VIII Hero
CASE: anidees Ai Crystal Cube
PSU: OCZ ModXStream 550w
SSD/NVME: Samsung 850 Evo 256GB
CPU COOLER: Corsair H100i RGB Pro XT
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CPU: i5-7600 4.5GHz
MOTHERBOARD: ASUS ROG Strix Z270H Gaming
RAM: G.skill DDR4-3000 15-16-16
CASE: Silverstone Grandia series GD09
GPU: GT 710
SSD/NVME: Samsung 850 Evo
MONITOR: Asus V239H 1080p 60Hz IPS
CPU COOLER: Thermalright AXP-120-X67
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Premium Platinum - Lifetime

Talking about Cpu Vddio and when I Google it I get nothing saying what it should be stock. Also, here is the DRAM voltage switching and current capability and the max settings for them, though I'm leaving them on Auto for now.

 

Also stupid question but I figured I'd ask this too: is my SP rating good?

 

 

PXL_20230328_194843143.jpg

PXL_20230328_194849928.jpg

PXL_20230328_194858651.jpg

PXL_20230328_194914727.jpg

$5500

Owned

 Share

CPU: Ryzen 9 7900X3D 2100MHz fclk
RAM: G.skill TridentZ5 7600MHz 36-45-45-45 1.425v
GPU: MSI RTX 4090 Gaming X Trio 3.135GHz/12.152GHz
MOTHERBOARD: Asus ROG Strix X670E-E Gaming Wifi
SSD/NVME: Crucial T700 1TB Gen 5 M.2
MONITOR: Acer Ultrawide Curved 3440x1440 144Hz HDR400 FreeSync
CASE: anidees Ai Crystal AR3 Midtower
CPU COOLER: EK Nucleus AIO CR360 Dark w/ PTM7950
Full Rig Info

Owned

 Share

CPU: Ryzen 9 5900x PBO 4.95GHz
GPU: MSI RTX 3060 Ventus
RAM: G.skill Flare X DDR4 3733MHz 16-16-16-32-50 1T GDM on
MOTHERBOARD: ASUS ROG Crosshair VIII Hero
CASE: anidees Ai Crystal Cube
PSU: OCZ ModXStream 550w
SSD/NVME: Samsung 850 Evo 256GB
CPU COOLER: Corsair H100i RGB Pro XT
Full Rig Info

Owned

 Share

CPU: i5-7600 4.5GHz
MOTHERBOARD: ASUS ROG Strix Z270H Gaming
RAM: G.skill DDR4-3000 15-16-16
CASE: Silverstone Grandia series GD09
GPU: GT 710
SSD/NVME: Samsung 850 Evo
MONITOR: Asus V239H 1080p 60Hz IPS
CPU COOLER: Thermalright AXP-120-X67
Full Rig Info
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Premium Platinum - Lifetime

@Nikado7@Fluxmaven any ideas?

$5500

Owned

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CPU: Ryzen 9 7900X3D 2100MHz fclk
RAM: G.skill TridentZ5 7600MHz 36-45-45-45 1.425v
GPU: MSI RTX 4090 Gaming X Trio 3.135GHz/12.152GHz
MOTHERBOARD: Asus ROG Strix X670E-E Gaming Wifi
SSD/NVME: Crucial T700 1TB Gen 5 M.2
MONITOR: Acer Ultrawide Curved 3440x1440 144Hz HDR400 FreeSync
CASE: anidees Ai Crystal AR3 Midtower
CPU COOLER: EK Nucleus AIO CR360 Dark w/ PTM7950
Full Rig Info

Owned

 Share

CPU: Ryzen 9 5900x PBO 4.95GHz
GPU: MSI RTX 3060 Ventus
RAM: G.skill Flare X DDR4 3733MHz 16-16-16-32-50 1T GDM on
MOTHERBOARD: ASUS ROG Crosshair VIII Hero
CASE: anidees Ai Crystal Cube
PSU: OCZ ModXStream 550w
SSD/NVME: Samsung 850 Evo 256GB
CPU COOLER: Corsair H100i RGB Pro XT
Full Rig Info

Owned

 Share

CPU: i5-7600 4.5GHz
MOTHERBOARD: ASUS ROG Strix Z270H Gaming
RAM: G.skill DDR4-3000 15-16-16
CASE: Silverstone Grandia series GD09
GPU: GT 710
SSD/NVME: Samsung 850 Evo
MONITOR: Asus V239H 1080p 60Hz IPS
CPU COOLER: Thermalright AXP-120-X67
Full Rig Info
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Premium Platinum - Lifetime

Ok, so I finally found an answer to this on Reddit. I had wanted to lower CPU_VDDIO by a bit to a lot to try to reduce my temperatures.

 

Basically, it's supposed to be 1.35-1.4v.

 

However, I tried giving it 1.35v and my board was overvolting it to 1.375v. I was able to boot into Windows and pass memtestCL built into Ryzen Dram Calculator to 2400% coverage (100% for each thread). I did not run stressapptest in Linux however, because upon rebooting right after memory training I was getting POST code of 46 and my system failed to boot. I also noticed that on auto, the board is giving 1.456v to that voltage, and my memory voltage is 1.435v so it's giving nearly the same overvolt to CPU_VDDIO based on my memory voltage.

 

I will probably try setting it to 1.4v tomorrow and run through some tests, or possibly try 1.375 cuz the board will overvolt that to 1.4v and see if that works.

 

The other DRAM power delivery stuff I asked about, I have not touched and still need an answer to, but I figure my memory is running very well already so why increase heat. I might play with those settings and see if I get lower ns or something in AIDA64. However, with the crappy cooler I'm forced to use and the fact that I fold on it in Linux all the time and the system is usually saying its 64-68c just from the heat of my GPU rising and heating the memory, I will probably leave the dram power delivery settings on auto most of the time and maybe only increase them for benching.

 

So there's some answer. I'd be curious to know what Nikado7's Taichi board is giving this voltage as well as Fluxmaven's Crosshair Gene.

$5500

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CPU: Ryzen 9 7900X3D 2100MHz fclk
RAM: G.skill TridentZ5 7600MHz 36-45-45-45 1.425v
GPU: MSI RTX 4090 Gaming X Trio 3.135GHz/12.152GHz
MOTHERBOARD: Asus ROG Strix X670E-E Gaming Wifi
SSD/NVME: Crucial T700 1TB Gen 5 M.2
MONITOR: Acer Ultrawide Curved 3440x1440 144Hz HDR400 FreeSync
CASE: anidees Ai Crystal AR3 Midtower
CPU COOLER: EK Nucleus AIO CR360 Dark w/ PTM7950
Full Rig Info

Owned

 Share

CPU: Ryzen 9 5900x PBO 4.95GHz
GPU: MSI RTX 3060 Ventus
RAM: G.skill Flare X DDR4 3733MHz 16-16-16-32-50 1T GDM on
MOTHERBOARD: ASUS ROG Crosshair VIII Hero
CASE: anidees Ai Crystal Cube
PSU: OCZ ModXStream 550w
SSD/NVME: Samsung 850 Evo 256GB
CPU COOLER: Corsair H100i RGB Pro XT
Full Rig Info

Owned

 Share

CPU: i5-7600 4.5GHz
MOTHERBOARD: ASUS ROG Strix Z270H Gaming
RAM: G.skill DDR4-3000 15-16-16
CASE: Silverstone Grandia series GD09
GPU: GT 710
SSD/NVME: Samsung 850 Evo
MONITOR: Asus V239H 1080p 60Hz IPS
CPU COOLER: Thermalright AXP-120-X67
Full Rig Info
Link to comment
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