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AVX Offset Problem - Gaming - Coffe Lake |
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ltkAlpha 
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Joined: 06 Aug 2018 Status: Offline Points: 1 |
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 Topic: AVX Offset Problem - Gaming - Coffe LakePosted: 29 Jul 2019 at 4:20am |
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8700K on a Fatal1ty Z370 Gaming K6; same behavior as described by the OP up to and incl. BIOS P3.30
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Fatal1ty Z370 Gaming K6, 8700K @ 4.7GHz/1.275V/LLC2, Corsair H110i w/ Noctua NF-A14 industrialPPC-2000 PWM, Asus ROG Strix 1080 Ti OC, 16 GB 3200 Corsair Vengeance LPX, Windows 10 Home 64 bit
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coyd
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Joined: 22 Feb 2018 Location: CZ Status: Offline Points: 1 |
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Posted: 22 Feb 2018 at 2:30pm |
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Hi guys, can confirm this on my MB as well. I have AVX offset = 2 atm and my (OC) CPU freq. oscillates between 4,6-4,4ghz doing nothing in desktop. If I set auto then offset = 0 but does not turn off AVX instructions. If it affects all MBs and Coffee Lake CPUs as said above I'm afraid its not goin to be fixed.
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i5-8600K/Asrock Fatal1ty Z370 KG/16GB HyperX 3200MHz
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DOCa Cola
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Posted: 07 Jan 2018 at 2:54pm |
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I asked support the same question as i always got the 4 avx ratio when set to auto on my Z370 Fatality ITX.
You have to set "Multi Core Enhancement" to disabled, then AVX auto is actually 0. If "Multi Core Enhancement" is not visible, you first have to set CPU Ration back to "Auto" to make the option visible.
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chris719
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Posted: 06 Jan 2018 at 5:43am |
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This is a problem with ALL mfg boards and Coffee Lake CPUs. It's CPU behavior, no one is exactly sure why.
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Demon009
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Posted: 06 Jan 2018 at 4:54am |
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tiasg
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Posted: 06 Jan 2018 at 4:01am |
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Same problem. Auto defaults to an Offset of 4. There is no way of setting 0 Offset. Please fix this.
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evofreak
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Posted: 14 Dec 2017 at 8:14pm |
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agentbad
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Posted: 14 Dec 2017 at 6:51pm |
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Set AVX to auto which is 0 and set your windows power options to performance mode. See if that helps.
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Demon009
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Posted: 12 Dec 2017 at 7:27pm |
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The oddness is you can run a stress test that you know doesn't have avx and it will drop the speed down . Unless i am mistaken but at this point not super interested to go back and test it again
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agentbad
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Posted: 12 Dec 2017 at 6:01pm |
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From what I've read some games do actually use AVX but it's usually for things like the main menu. Just turn it off if it bothers you.
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tiasg wrote: