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Hi,
After running the IPDT my CPU fails to pass the IMC test but succeeds to pass in all the other tests. I don't know why this is happening, or if i should be concerned given that my system is running stable with no BSOD or freezing but it's somewhat concerning regardless. I've attached a copy of the IPDT results for someone to have a look. Also an issue that's arisen is that my CPU no longer offsets it's ratio when AVX enabled code is run. This means the 6850K is running at 3699MHz and is getting rather toasty as it does it, sitting at around 70 degrees C. It never used to do this, it would shift it's ratio to 35x and sit at 3499Mhz, is this normal? I've tried clearing the CMOS on the motherbaord and reverting to default settings (even removing the battery and reseating the CPU) but it makes no difference this behaviour still continues. I've tried contacting ASUS thinking that this was a bios issue but they were less than helpful frankly. Hoping someone can help.
All system frequencies and temps taken from HWMonitor & CPU-Z.
System Specs:
CPU: i7 6850K
Motherboard: ASUS X99-A II
RAM: 32GB Corsair Dominator CMD32GX4M4A2400C12
OS: Windows 10 Pro Build 10586
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Hello Hyperthreaded ,
Thank you for joining the Intel communities.
We have seen this issue with the Intel® Processor Diagnostic Tool and the Intel® i7-6850k processor, you can see it here:
/thread/103534 https://communities.intel.com/thread/103534
This is an issue with the software and we will need to wait for a new version to be released.
Regards,
Ivan
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Hi,
Thanks for the reply. I'm happy to wait for the new version of the software as i suspected nothing was actually wrong with the IMC. The AVX issue does concern me though, is this normal behaviour? Really not sure what's happening there.
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Did you update the motherboard bios? If not, it is very important to have the latest bios version.
Please check the following link where you can follow the steps to update your motherboard BIOS if needed.
https://www.asus.com/us/Motherboards/X99-A-II/HelpDesk_CPU/ https://www.asus.com/us/Motherboards/X99-A-II/HelpDesk_CPU/
NOTE: This link is being offered for your convenience and should not be viewed as an endorsement by Intel of the content, products, or services offered there.
Please bear in mind that the Intel® Advanced Vector Extensions (Intel® AVX) are designed to achieve higher throughput to certain integer and floating point operations. Due to varying processor power characteristics, utilizing AVX instructions may cause:
- Some parts to operate at less than the rated frequency.
- Some parts with Intel® Turbo Boost Technology 2.0 to not achieve any or maximum turbo frequencies.
If you will need further support about the Intel® AVX I suggest you to POST you concern at the following link:
https://software.intel.com/en-us/support https://software.intel.com/en-us/support
Regards,
Ivan

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