Last BIOS update (1.31 for z370 Taichi) Slows down cpu cores.

Jul 26, 2018
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Hi guys, 1st post! I have a I7 8700 (non-K) in the subject motherboard. With bios version 1.80 installed I have all 6 cores running @ 4.3 to 4.7 with an xms profile for my 3000 Mhz memory and Turbo boost turned on. This is nice and speedy for a non-K chip and only slows down to 4.3 under 100% load. This is the reason I purchased this motherboard. If I install the new 3.10 BIOS cores slow down to 3.8 under load and it's noticeable with benchmark scores. I'm guessing the Intel ME 11.8.50.3470 update included with the 3.10 BIOS update no longer lets me run at a faster clock rate? Is this Intel putting the kibosh on non K overclocking? Did Asrock let intel force them into it? A bit irritating that I might not be able to update my BIOS after this point... Do you think Asrock will restore this somehow? I just thought maybe I could get the community's thoughts.

BTW, I didn't get a 'K' chip as I pulled it from a dell inspiron 5680 which I got for a good deal, I thought. It actually wasn't such a good deal with the case that appears to be well ventilated but in actuality has no vents on the top at all and holds too much heat. You can't adjust the fan curves because... it's a dell... You can drop over 10c just by taking the side door off. (even though the bottom half of the door is totally vented). Long story there but even with the biggest aftermarket cooler you can put in the case and a founders edition graphics card the CPU still got on the upper 80's while gaming. With my new Be Quiet 900 pro inverted and a Dark Rock 4 cooler I'm idling under 40c and only up to the mid 60's while under a full load. This is also with a strix 1080 graphics card and the cpu running as listed above. The motherboard that came with the Dell (z370 Blue Skull branded Chinese board.. whatever that really is...) was only running 3.8 on most cores and 4.3 on maybe 1 core or whatever the standard core speed steps are. I'll quit rambling and thanks for any information you can provide.



John D
 
Jul 26, 2018
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The latest bios now has an option to throttle cores based on power draw. I can set the variable to 120 watts for instance and the cores don't throttle and I can run all cores at 4.4 under load and only 4.6 when utilization isn't maxed. .1 ghz lower on the top end but that isn't when the cores are maxed out. I'll take it! So not quite the fix I wanted but it works.
 

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