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AGESA 1.0.0.6
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jayhawknative View Drop Down
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Joined: 22 Jun 2017
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Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jayhawknative Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2017 at 8:49am
Thought I'd share my experience:

Running X370 Taichi with 1700x (and GTX 1070 fwiw).

Originally purchased CORSAIR Vengeance LED 32GB (4 x 8GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Desktop Memory Model CMU32GX4M4C3200C16

If I'd done more research ahead of time I would've probably bought a 2x g.skill, but with newegg restocking I just stuck with it.

Initially could only get 2667 (boot/stable) with 2.2/2.3 bios, which wasn't bad considering I was running ram that isn't on the QVL and doing 4x dimms.  Pulling 2 dimms, still maxed at 2667.

So just upgraded to 2.4 with agesa 1.0.0.6 and now I can only get 2133 with 4x config, which is frustrating.  But, I pulled 2 dimms again (leaving A2/B2 populated) and voila, 2x runs 3200 smoothly.

Since it's probably too much to hope that a 4xdimm config at 3200 will ever be supported through agesa/bios updates (right?), just going to try to sell my other two dimms.


Edited by jayhawknative - 22 Jun 2017 at 8:53am
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wardog View Drop Down
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Joined: 15 Jul 2015
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Points: 6447 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2017 at 9:39am
Originally posted by jayhawknative jayhawknative wrote:

So just upgraded to 2.4 with agesa 1.0.0.6 and now I can only get 2133 with 4x config, which is frustrating.  But, I pulled 2 dimms again (leaving A2/B2 populated) and voila, 2x runs 3200 smoothly.

Since it's probably too much to hope that a 4xdimm config at 3200 will ever be supported through agesa/bios updates (right?), just going to try to sell my other two dimms.


Meh, hold on to those two not being used for the moment.

Ryzen using 4 sticks does appear to lower the available top end MHz wise. I use "appear' there as there seems to be confusion over the specs when released. See the sticky under AMD here. There's a User here that says his four run higher that published spec.

Is that related to maturing AGESA releases? I honestly don't know ........
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jayhawknative View Drop Down
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Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jayhawknative Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2017 at 9:46am
Would be awesome if they could add a bios setting to choise between 2x sticks at higher speeds or 4x at lower. So you wouldn't have to physically remove sticks to switch.
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wardog View Drop Down
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Points: 6447 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2017 at 9:59am
Originally posted by jayhawknative jayhawknative wrote:

Would be awesome if they could add a bios setting to choise between 2x sticks at higher speeds or 4x at lower. So you wouldn't have to physically remove sticks to switch.


Simply resetting to UEFI Defaults should, I'm thinking, change that automatically for you.

Always always reset the BIOS when adding/removing/swapping mem on an AMD. Intel too.


Edited by wardog - 22 Jun 2017 at 10:26am
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wardog View Drop Down
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Points: 6447 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2017 at 10:27am
Originally posted by jayhawknative jayhawknative wrote:

Would be awesome if they could add a bios setting to choise between 2x sticks at higher speeds or 4x at lower. So you wouldn't have to physically remove sticks to switch.


Last post of mine, well, I dunno what I originally read Embarrassed ...... Sorry.

Yea, that's not possible.
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Xaltar View Drop Down
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Points: 24653 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2017 at 12:55pm
Try setting your ProcODT to 53.3ohms with all 4 dimms installed, I am using a corsair 3600 kit and that got me up to 3466 stable. I will be pushing for 3600 later today. 

At the moment I can't find any info on what ProcODT should be set to for any RAM models. 53.3 has been thrown around here on the forums and worked for me, after serious instability all seems well. 
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jayhawknative View Drop Down
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Joined: 22 Jun 2017
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Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jayhawknative Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2017 at 4:22pm
Originally posted by Xaltar Xaltar wrote:

Try setting your ProcODT to 53.3ohms with all 4 dimms installed, I am using a corsair 3600 kit and that got me up to 3466 stable. I will be pushing for 3600 later today.?

At the moment I can't find any info on what ProcODT should be set to for any RAM models. 53.3 has been thrown around here on the forums and worked for me, after serious instability all seems well.?


No go..   Oh well, thanks for the tip. Interestingly I noticed my commamd rate improves to 1T with 2 dimms, but drops to 2T with 4.

Fun stuff...
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Xaltar View Drop Down
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Points: 24653 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2017 at 4:23pm
It was worth a shot Wink
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wardog View Drop Down
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Points: 6447 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2017 at 8:03pm
I don't believe procODT is specifically "for" any particular stick of memory.

It has to do with MEM VDDIO and MEM VTT than anything else.  Likely also,  it probably addresses the differing way a manuf lays out the traces between the mem slots and proc socket  To the best of my knowledge, it addresses/alters the processor itself.

procODT = Processor On Die Termination
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Jakob View Drop Down
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Hey there!

Just to add some information:

I tried two sets of RAM on my X370 Gaming K4 with different results.

2x8GB of G.Skill F4-3200C14D-16GTZ (XMP=3200MHz CL14 @ 1.35V, SR; NOT on supported RAM list)
and
2x8GB of Crucial CT8G4DFD8213 (no XMP profile; SPD = 2133MHz CL15 @ 1.2 V, DR; ON sopported RAM list)

Had the board since BIOS 2.40, now using 2.5 (AGESA 1006).

The Crucial modules currently work stable at 2667 MHz CL 14 @ 1.2 V.

The G.Skill won't even POST, clearing CMOS doesn't help.

If i put in one G.Skill and one Crucial stick, the G.Skill is at least recognised and both work @ 2133 MHz CL 14 1.2 V.

ASRock tech support asked me to wait as they are trying to check out and possibly iron out the issue with the G.Skill RAM...

I am curious: Has anyone tried the same G.Skill RAM? Should be most similar to the Flare-X 3200 CL 14, right?
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