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X670E Taichi crashes / reboots |
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Xaamoh 
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Joined: 18 Oct 2023 Status: Offline Points: 60 |
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 Topic: X670E Taichi crashes / rebootsPosted: 27 Apr 2024 at 6:59am |
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I had the same issue: black screen randomly. In Windows event viewer no entry. I figured out, that the power-cable between power-supply and GPU was the reason. I replaced it. Since then no problems at all.
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Katana1074
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Joined: 31 Dec 2022 Status: Offline Points: 1325 |
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Posted: 08 Jul 2023 at 4:58am |
Hi there The problems your having Seems very similar to this thread : https://forum.asrock.com/forum_posts.asp?TID=25386&PN=1&title=x670e-taichi-cant-run-stable-with-acpi-cstates |
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CPU: RYZEN 7950x | Motherboard: ASROCK X670E TAICHI | GPU: MSI RTX4090 LIQUID X 24GB | RAM: FURY X DDR5 C40 | Hard Drive: INTEL OPTANE 900P 480GB,1 x SAMSUNG 980 PRO 2TB,2 X ADATA S8200X 2TB
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TomH
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Joined: 15 Jun 2023 Location: Campbell, CA, U Status: Offline Points: 60 |
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Posted: 06 Jul 2023 at 4:28am |
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RMA X760E Taichi Carrara motherboard arrived last week. It came with recent 1.24 BIOS. Under testing.
It seems to run with and without crash as expected. AMD 7950X is incompatible with C-State. Once I disable Global C-State in BIOS, no more crash so far. Will see. |
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Xaltar
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Joined: 16 May 2015 Location: Europe Status: Offline Points: 25028 |
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Posted: 23 Jun 2023 at 4:05pm |
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Good luck with the RMA. Unfortunately things like this happen, it's why the RMA
system exists. Hopefully the replacement sorts out your issues. |
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TomH
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Joined: 15 Jun 2023 Location: Campbell, CA, U Status: Offline Points: 60 |
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Posted: 23 Jun 2023 at 3:31pm |
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Something is not right with this motherboard (Taichi Carrara). It turned bad only after 3 months of light usage. After failure to have it stable, I've RMA'd it. Will update once I got another board to try. I don't believe that I can't have a stable PC. Want to use it for 10 years.
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TomH
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Posted: 18 Jun 2023 at 1:04am |
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Why this idle-crash happened? Where it happened? Below is my theory.
- The cause is PI (Power Integrity). Killer is power surge. - When power surges beyond hardware capability, core supply drops below CPU needs, then CPU crashes. In Windows, this is Kernel-Power event 41. - Disabling C-State means eliminating power surge, i.e., the switching from low to high power state. High to low power transition doesn't lower core voltage to below required. - What's hardware capability? These are system power supply, CPU power stage surrounding CPU, motherboard decoupling caps below CPU socket, and on-die cap on CPU package. Out of all these, considering CPU power surge frequency, the only thing matters is CPU on-die cap. A 5000w PSU can't help because it's too far away (large inductance) from where the surge happens. - That's why we need to lower power surge by setting a power cap for CPU, i.e., PPT, TDC, EDC. - It's CPU model dependent. Also, no two CPU's are the same. |
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TomH
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Posted: 16 Jun 2023 at 5:01am |
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Being struggling with this idle-crash issue for days. Didn't know that I have to deal with basic stability issue with such an expensive motherboard. If BIOS needs so many special parameters for AMD CPU, Ryzen 9 7950x in my case, why can't those be automatically applied to begin with?
The basis of BIOS is a reliable platform, then allow OC or tweaking, right? I think AsRock needs to have a serious thought. |
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buttabean
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Joined: 18 Jan 2023 Status: Offline Points: 370 |
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Posted: 18 May 2023 at 4:46am |
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Glad to hear!
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Vladimir-M
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Posted: 18 May 2023 at 2:48am |
Yes, it work very good! Thank you buttabean!! 48 + hours system is stable on 1.21, no restarts. All UEFI settings on my X760E Steel Legend: OC Tweaker\ Perfomance Preset -> PBO Enabled DRAM Profile Setting - XMP1 Advanced\ AMD Overclocking\ Presition Boost Overdrive: Presition Boost Overdrive -> Advanced PBO Limits -> Manual PPT - 185000 TDC - 145000 EDC - 190000 Platform Thermal Throttle Limit - 90 Advanced\ AMD Overclocking\ Presition Boost Overdrive\ Curve Optimizer: Curve Optimizer -> All Cores All Core Curve Optimizer Sign -> negative All Core Curve Optimizer Magnitude -> 38 Advanced\ AMD CBS\ CPU Common Options: Global C-State -> Disable Advanced\ AMD CBS\ NBIO Common Options\ GFX Configuration: iGPU Configuration -> iGPU Disabled |
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AsRock X670E Steel Legend
Ryzen 7 7700x Kingston FURY Beast Black [KF548C38BBK2-64] 64Gb Gigabyte GeForce RTX 3070 Ti GAMING OC 8G SSD Samsung M.2 990 PRO 1TB Windows 11 Pro |
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buttabean
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Posted: 02 May 2023 at 12:12am |
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turning off "global c state" greatly improves stability. also try manually lowering the ppt edc tdc tpm.
My system is rock solid running 1.21 with ppt 180000, edc 190000, tdc 140000 -38 all cores. tpm 90c. I get close to peak performance without it ramping to 95c. in games it doesn't go past 60c and with rendering it's below 90c. Benchmarks show just as fast results. ran y-crunch for 30 hours no prob. If that doesn't help try loosening up your memory timing. |
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TomH wrote: