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If this has been answered somewhere before please let me know as I haven't been able to find it.
I have a i7-14700k with a GIGABYTE Z790 AORUS Elite X WIFI7 board. When we first built the system it was difficult to get a stable boot with any kind of memory overclock/xmp enabled.
We always had it running in Gigabyte Perfdrive "Optimized" mode. The bios vCore setting was defaulted at 1.2v -- and would hover around 1.2 - 1.26 at idle and dip into the 1.0n - 1.1n under stress/stability testing. With a minor tweak - setting LLC to low and putting some limits on PL1/PL2 we were able to get it stable with the xmp profile enabled.
In hindsight I think the initial stability issue was from the voltage dropping too low under heavy load and LLC helped control the dip.
Even though I don't think we had the voltage spike/degradation issue we decided to apply the final microcode/bios update to prevent any long term damage.
With the new microcode/bios it seems like the idle and load voltages are consistently higher. Idle around 1.3 and peaking up to 1.38 - 1.44 under load. Even if I switch the bios mode from intel settings back to 'optimized' they are a little better but still seem to default to higher than before the update.
Anyone else experience this? Is this normal? Is it expected behavior with the new microcode?
Does anyone have an easy way to undervolt it without having to customize all the voltage settings?
Thanks!
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Hello ViperJS,
Thank you for posting this concern via communities. For me to better assist with this known issue of 14th gen CPUs, kindly confirm if you experience any of the issues below:
- BSOD
- Crashing
- Random Reboot
And also, to further assist you, kindly provide Intel System Support Utility for me to check your system information.
- Intel® System Support Utility for Windows*
- Scan: Check the box Everything.
- Click Scan.
- Review: When finished scanning, click Next.
- Click Save.
Regards,
John Sergio M.
Intel Customer Support Technician
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Hello ViperJS,
I wanted to check if you had the chance to review the questions I posted. Please let me know at your earliest convenience so that we can determine the best course of action to resolve this matter.
Regards,
John Sergio M.
Intel Customer Support Technician
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John, Sorry for the slow reply. I haven't noticed any of the mentioned symptoms consistently. Will run the tool shortly and send the results.
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Hello ViperJS,
Thank you for the response. Once done with the SSU, just kindly attach it in this thread for me to check your system information.
Regards,
John Sergio M.
Intel Customer Support Technician
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Hello ViperJS,
I wanted to follow up to see if you had a chance to provide the SSU. Your feedback at your earliest convenience would be greatly appreciated so we can move forward with resolving this matter.
Regards,
John Sergio M.
Intel Customer Support Technician
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Hello ViperJS,
I have not heard back from you so I will close this inquiry now. If you need further assistance, please submit a new question as this thread will no longer be monitored.
Regards,
John Sergio M.
Intel Customer Support Technician
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