[Official] AMD Ryzen DDR4 24/7 Memory Stability Thread - Page 224 - Overclock.net - An Overclocking Community

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[Official] AMD Ryzen DDR4 24/7 Memory Stability Thread

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post #2231 of 2976 (permalink) Old 02-14-2019, 09:28 PM
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So I decided to see how much I could lower SOC voltage while still keeping my RAM stable.
Turns out I could drop it by 0.100v, from 1.025v to 0.925v.

Spoiler!


Haven't tested if SOC voltage affects CPU temperatures much, if at all. I'll do it some time later and edit this post with some info.

edit: P95 blend test with 12000MB seems to be freezing 1 minute in...
Tried increasing SOC and CPU voltage to no avail.
Guess I'll go back to 3400 C16


Last edited by BLUuuE; 02-14-2019 at 11:23 PM.
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post #2232 of 2976 (permalink) Old 02-16-2019, 09:31 AM
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Memory Voltage

Quote: Originally Posted by tiagogl View Post
What voltage?
1.37 Volts

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post #2233 of 2976 (permalink) Old 02-17-2019, 11:36 AM
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I am testing 3466Mhz on my 1600 not overclocked but the timings had to be loser for FS http://www.3dmark.com/fs/18373775
to make a pass .

Ryzen 5 3600
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post #2234 of 2976 (permalink) Old 02-18-2019, 08:53 PM
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Out of curiosity -- what are other people's CPU idle temps and RAM temps? I'm not concerned so much with how high or low your CPU idle/RAM temps are, but more the difference between CPU idle and RAM temps. My CPU idle and RAM temps are usually the same.

AMD Ryzen 2700X  |  Fractal Design S36 360 AIO w/6 Corsair SP120L fans  |  Asus Crosshair VII WiFi X470  | G.SKILL TridentZ 3636MHz @ 14-15-14-28 2x8GB  | EVGA 1070 Ti SC GAMING ACX 3.0 Black  |  Samsung 970 EVO M.2 NVMe 500GB - Boot Drive  |  Samsung 850 EVO SSD 1TB - Game Drive  |  Seagate 1TB HDD - Media Drive  |  EVGA 650 G3  | Thermaltake Core P3 Case |
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post #2235 of 2976 (permalink) Old 02-19-2019, 05:51 PM
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MSI X70 GAMING PRO CARBON.

AMD Ryzen 2600 @ 4.0 ghz

G.Skill Sniper X F4-3600C19-8GSXKB (2x8GB single rank) A2, B2 slots.

My setting for bios below.

CPU voltage 1.4
SOC voltage auto
RAM voltage 1.4
All other settings are auto.

Trick part is that I selected 3333 CL16 then switch to 3533 CL16 that works for me.

3533 is missing in "Memory Try It !" is magic gem.

This method what I did in bios is really simple.

1. I selected 3333 16-18-18-18-36 under Memory Try It ! in bios then.

2. I selected 3533 under “Dram Frequency” then save bios and exit.

Running 3533 16-18-18-18-36 stable.

Benchmark, Gaming, others works fine.

Do you happen have same ram kit but similar and MSI motherboard ? You can try this method to see if it’s works for you.

See the pic below.
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post #2236 of 2976 (permalink) Old 02-19-2019, 06:50 PM
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Quote: Originally Posted by dgoc18 View Post
MSI X70 GAMING PRO CARBON.

AMD Ryzen 2600 @ 4.0 ghz

G.Skill Sniper X F4-3600C19-8GSXKB (2x8GB single rank) A2, B2 slots.

My setting for bios below.

CPU voltage 1.4
SOC voltage auto
RAM voltage 1.4
All other settings are auto.

Trick part is that I selected 3333 CL16 then switch to 3533 CL16 that works for me.

3533 is missing in "Memory Try It !" is magic gem.

This method what I did in bios is really simple.

1. I selected 3333 16-18-18-18-36 under Memory Try It ! in bios then.

2. I selected 3533 under “Dram Frequency” then save bios and exit.

Running 3533 16-18-18-18-36 stable.

Benchmark, Gaming, others works fine.

Do you happen have same ram kit but similar and MSI motherboard ? You can try this method to see if it’s works for you.

See the pic below.

I'd look to lower SOC to anything below 1.1V as I don't see any stability gained that high and more frequently the opposite. I used to recommend 1.1V as a catchall, but have found that because of either my own previous misunderstanding or AGESA updates it isn't nearly necessary. At this point I've found 1.0V to be perfectly sufficient and absolutely stable.

I'd also start work on lowering your tRFC. The motherboard frequently sets it too high for stability and hopefully that is your case and you can successfully lower it.

AMD Ryzen 2700X  |  Fractal Design S36 360 AIO w/6 Corsair SP120L fans  |  Asus Crosshair VII WiFi X470  | G.SKILL TridentZ 3636MHz @ 14-15-14-28 2x8GB  | EVGA 1070 Ti SC GAMING ACX 3.0 Black  |  Samsung 970 EVO M.2 NVMe 500GB - Boot Drive  |  Samsung 850 EVO SSD 1TB - Game Drive  |  Seagate 1TB HDD - Media Drive  |  EVGA 650 G3  | Thermaltake Core P3 Case |
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post #2237 of 2976 (permalink) Old 02-19-2019, 07:42 PM
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@nick name

I just lower soc to 1.1 and I set 462 for trfc as you suggested.

I used RTC to look at trfc number for safe present.

Update the result score below.

Thanks for tip.
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post #2238 of 2976 (permalink) Old 02-19-2019, 09:13 PM
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Quote: Originally Posted by dgoc18 View Post
@nick name

I just lower soc to 1.1 and I set 462 for trfc as you suggested.

I used RTC to look at trfc number for safe present.

Update the result score below.

Thanks for tip.
No, problem. I'd try SOC at 1.0V and run a quick test. It will be obvious real quick if that's severely unstable. And if it is only close to stable then it's a good sign you can use less SOC which means less voltage through the CPU and that's always a plus.

AMD Ryzen 2700X  |  Fractal Design S36 360 AIO w/6 Corsair SP120L fans  |  Asus Crosshair VII WiFi X470  | G.SKILL TridentZ 3636MHz @ 14-15-14-28 2x8GB  | EVGA 1070 Ti SC GAMING ACX 3.0 Black  |  Samsung 970 EVO M.2 NVMe 500GB - Boot Drive  |  Samsung 850 EVO SSD 1TB - Game Drive  |  Seagate 1TB HDD - Media Drive  |  EVGA 650 G3  | Thermaltake Core P3 Case |
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post #2239 of 2976 (permalink) Old 02-28-2019, 01:09 PM
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as you see from my configs,

For 8GBx2 :: ProcODT, RttNom, RttWr and RttPark, they're the same value for bus 3200-3600

For 8GBx4 :: RttNom, RttWr and RttPark, need a proper value to boot up otherwise it will cause 3 bios beep or ClearCMOS.

So, my question...

1.Why 4 sticks of RAM need Rtt values ?

2.How's Rtt relate to each other(Nom/Wr/Park) ?

THANKS.

Last edited by Nick Moiré; 02-28-2019 at 01:18 PM.
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post #2240 of 2976 (permalink) Old 03-01-2019, 03:03 AM
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Hynix CJR OC

Got myself some Hynix CJR (2 x F4-3600C19-8GVRB)

1.45v DRAM, 1.025v SOC

Spoiler!


I can boot 3733MHz and run AIDA64 memory benchmark, but not much else. Limited by my IMC.

Spoiler!


Pretty impressive.

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