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"IA: Max Turbo Limit" "RING: Max VR Voltage, ICCmax, PL4" "IA: Turbo Attenuation..."
#1
Hi,

I have been doing some overclock to my system (Asus Maximus XI Extreme + I9-9900K + G.Skill Trident Z 3200Mhz CL14 2x8gb) and I notice that: 

In STOCK pop up a flag on the "IA: Turbo Attenuation (MCT)" and "IA: Max Turbo Limit" in Idle without open anything just the HW64. 

In OC Manual pop up a flag on the "IA: Max Turbo Limit" and "RING: Max VR Voltage, ICCmax, PL4"

In OC Auto 5Ghz don't pop up flags, but when I enable the XMP 1 or 2 the flags pop up again in the "IA: Max Turbo Limit" and "RING: Max VR Voltage, ICCmax, PL4"

What is going on? 

Thank's in advance,

Bruno Simões
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#2
See here for more explanation: https://www.hwinfo.com/forum/Thread-Leno...fo-PROCHOT
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#3
Turbo Attenuation and max Turbo Limit are on if you run stock and don't stress test, it's basically the CPU respecting it's turbo bins and idle power saving states.
The Ring...PL4 limit is likely you having Power Limits set in BIOS and the CPU hitting those. Remove the PLs to stop power throttling (also increase heat output). CPU should then become limited by the turbo bins.
Enabling XMP might have also enabled MCE for you, I'd make sure that's not the case, as it's typically pretty badly done, unstable and overvolting Coffee Lake a lot.
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