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Fatal1ty X370 Gaming K4 can't get it stable
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Rares View Drop Down
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    Posted: 04 May 2017 at 1:13pm
Hi guys, I'm new here and I need some advices on how to oc my system. Here are may specs: Ry1700, 2x8 Gb Corsair (CMK16GX4M2B3200C16) and Fatal1ty X370 Gaming K4 mb (Bios v2.2). Well, I managed to oc somehow the CPU @ 3.9 with 1.3v, but the system is not stable in Prime95 (I got a black screen after 5-7 min.). Could you guys help me to adjust the "right" settings in BIOS? Thanks.

Current BIOS settings:
CPU: 3900
CPUv: 1.3
Mem@2933 CL16 (can't get it to work @ 3200 yet)
Memv: auto
everything else: auto

ps: maybe we can make an oc guide, it would be awesome ;)


Edited by Rares - 04 May 2017 at 1:32pm
X370 Gaming K4 / Ryzen 1700 @ 3.725 / G.Skill FlareX 14-14-14-14-34 @ 3200 XMP / Sapphire Nitro RX480 / SSD x 3
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1.3v seems a little low for 3900?
He walks among us, but he is not one of us.
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Try with 1,35vcore and not all ryzen can run with 3,9ghz
Taichi X370
AMD R7 1700X
Arctic Liquid FreeZer 240
G.Skill Flare X 3200 cl 14@2933
PowerColer RX480
Phanteks EnTHoo Luxe
BeQuiet Dark Power Pro 11 550W
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Rares View Drop Down
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I'll try to rise the CPU voltage... but how about the other settings?

Edited by Rares - 04 May 2017 at 2:37pm
X370 Gaming K4 / Ryzen 1700 @ 3.725 / G.Skill FlareX 14-14-14-14-34 @ 3200 XMP / Sapphire Nitro RX480 / SSD x 3
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Originally posted by Rares Rares wrote:

I'll try to rise the CPU voltage... but how about the other settings?


One change at a time. Otherwise you don't know which change is holding you back. OC'ing is not rubber-stamping someone elses results.



Watch your temps changing voltages.
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Check the voltage your memory is rated for aswell, usually this is 1.35 with the faster kits.
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Originally posted by Pern_au Pern_au wrote:

1.3v seems a little low for 3900?


not really mine has been stable from day one at 1,306 volts and 3.9 on all cores (r7 1700)

milage may well depend on
cpu silicon lottery
power regulation and quaility of the board
and of course the power supply unit
[url=https://valid.x86.fr/jpg250][/url]

3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold
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to the original poster
maybe try the ram at stock speeds first to establish whats the issue with instable errors

also if running at 3.9 with 1.3 v
maybe look at the LLC you may wish to fix it to something more stable than auto
[url=https://valid.x86.fr/jpg250][/url]

3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold
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Rares View Drop Down
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Points: 47 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Rares Quote  Post ReplyReply Direct Link To This Post Posted: 05 May 2017 at 4:52pm
Successsss! 3.9GHz@1.3025v... but the temps are high, HWinfo reports 84 degr. C T(ttcl) in Prime95 (torture test). But I think the temp. is not real... HWinfo has 2 temps: T(tctl) and the "normal" one.

Edited by Rares - 05 May 2017 at 5:00pm
X370 Gaming K4 / Ryzen 1700 @ 3.725 / G.Skill FlareX 14-14-14-14-34 @ 3200 XMP / Sapphire Nitro RX480 / SSD x 3
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it's possible that the temps are real (my ryzen starts throttling at 85° so maybe yours is at the temp limit?) sadly asrock chose a very strange way of fan management.
It looks at the mainboard CPU temp which is something different from the  Tdie.
This temp seems to be a diode on the motherboard, for me it "laggs" behind Tdie and is around 10° C lower.
This leads to the fans not reacting properly.
Maybe you can check at what speeds your fans run. Also you may want to edit the fan curve.(In Bios or f stream)
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