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Ryzen 1700 at 1,35 GHz after OC
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ssateneth View Drop Down
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Points: 129 		Post Options Post Options   Thanks (1) Thanks(1)   Quote ssateneth Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jan 2018 at 5:49am
That CPU usage graph looks strange. It says 1.35GHz but your CPUs are loading only about 35%. 1.35 / 3.75 =0.36, so I feel I'm onto something. Try using a different CPU monitoring program like HWINFO64 to see what your CPU is really doing. I wouldn't trust task manager from that picture, at all. A full CPU load like P95 should not only load each core to 35%.

Use HWINFO64 with sensors window open and the previous "bugged" 1.35GHz settings and report back.


Edited by ssateneth - 11 Jan 2018 at 5:51am
MB: X399 Taichi, UEFI L3.32
VGA: EVGA 1080 Ti FTW3
PSU: Seasonic PRIME 1300 W PLATINUM
CPU: AMD Ryzen Threadripper 2950X
MEM: 4x16GB, 3600MHz G.Skill Trident Z F4-3600C17Q-64GTZKW
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KLU View Drop Down
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Points: 27 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KLU Quote  Post ReplyReply Direct Link To This Post Posted: 11 Jan 2018 at 10:11pm
Originally posted by ssateneth ssateneth wrote:

That CPU usage graph looks strange. It says 1.35GHz but your CPUs are loading only about 35%. 1.35 / 3.75 =0.36, so I feel I'm onto something. Try using a different CPU monitoring program like HWINFO64 to see what your CPU is really doing. I wouldn't trust task manager from that picture, at all. A full CPU load like P95 should not only load each core to 35%.

Use HWINFO64 with sensors window open and the previous "bugged" 1.35GHz settings and report back.


So, I set it again to 3750MHz and 1.35V and here are the screenshots:

Idle: https://imgur.com/a/QTBT5

Stress (P95): https://imgur.com/a/58BpS


Edited by KLU - 11 Jan 2018 at 10:14pm
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datonyb View Drop Down
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it looks like multibug to me

try the taichi workaround >

https://www.youtube.com/watch?v=8deNlA1Aznc&feature=youtu.be

your bios should be very similar
[url=https://valid.x86.fr/jpg250][/url]

3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold
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KLU View Drop Down
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Points: 27 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KLU Quote  Post ReplyReply Direct Link To This Post Posted: 12 Jan 2018 at 12:06am
Originally posted by datonyb datonyb wrote:

it looks like multibug to me

try the taichi workaround >

https://www.youtube.com/watch?v=8deNlA1Aznc&feature=youtu.be

your bios should be very similar


Holy sh*t, man! You're a hero!

I'm leaving the settings for future reference. I bet I won't be the only one facing this bug:

1. The settings in OC Tweaker are set to Auto, except I only changed CPU LLC and VDDCR_SOC LLC to Level 3.
2. I disabled C6 Mode, Cool 'n' Quiet, C-State Control, Core Performance Boost.
3. I set P-State 0 (FID=96 - 3750 MHz, DID=8 and VID=20 - 1,35 V).

Voaila! https://www.imgur.com/a/Fg7Rt

THANK YOU ALL!



Edited by KLU - 12 Jan 2018 at 12:10am
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glhrmbhnrt View Drop Down
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I had the same problem, solved by overcloking with offsets instead of fixed voltage.
Try setting your processor to default voltage (1.18750) and then add via core voltage (offset).
R7 1700 with X370 Gaming K4 (Bios 3.40) (3.9Ghz/1.375v)


Edited by glhrmbhnrt - 12 Jan 2018 at 4:10am
Fatal1ty X370 Gaming K4
Ryzen 7 1700 @ 3.9Ghz 1.37v
G.Skill Trident Z F4-3200C16-8GTZ @ 2933Mhz 14-14-14-31 1T - 2x8gb 1.35v
Seasonic 620w
Sapphire R9 290
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ShampooCA View Drop Down
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Originally posted by glhrmbhnrt glhrmbhnrt wrote:

I had the same problem, solved by overcloking with offsets instead of fixed voltage.
Try setting your processor to default voltage (1.18750) and then add via core voltage (offset).
R7 1700 with X370 Gaming K4 (Bios 3.40) (3.9Ghz/1.375v)


This is definitely the solution.
Ran into this with my new X370 Killer SLI and R5 1600 setup for an HTPC.
Didn't have this problem on my X370 Fatality K4 board and R7 1700 setup though.

Also, anyone else notice in Windows task manager the CPU clockspeed does not stay constant at whatever you set even with variable options turned off?
I have my 1700 set to 3.85GHz and it varies up and down from 3.5ish to the set 3.85GHz. Same with the 1600 chip. There's no fixed clockspeed setting.

I have windows set to High Performance mode not balanced, and also in the BIOS have all states turned off.
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