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Hello,
I bought a 14900K about 6 months ago and after reading all the news I am concerned my cpu is also defective. System:
- Processor: Intel Core i9-14900K (3.2 - 6 GHz) 24-Core
- CPU Cooler: Cooler Master MasterLiquid PL360 Flux
- CPU Fans: 3 x Arctic P12 PWM PST
- Motherboard: Gigabyte Z790 Aorus Elite AX (rev 1.1)
- Memory: G.Skill Ripjaws 64GB (2x32GB) DDR5-6000 CL30
- Graphics card: PNY GeForce RTX 4090 24GB XLR8
- SSD1: Seagate FireCuda 530 2TB NVME
- SSD2: Seagate FireCuda 530 2TB NVME
- SSD3: Samsung 970 Evo Plus 1TB NVME
- Case: NZXT H7 Flow
- Case Fans: 4 x Arctic P14 PWM PST
- Power Supply: Corsair RM1000x
- OS: Windows 11 Pro
From the start I have been using PL1 125 and PL2 125 (Iccmax i did not set, because i never heard of it at that time). After 3 months or so, I had set PL1 253 and PL2 253. With the power limits set to 253, an UE5 game I played would not boot, it would give the 'out of video memory'- error. Then I set PL1 125 and PL2 175 and the error was gone and I could play the game for long hours without stability issues. However, given the fact that my cpu could not run the game at the power limits of 253, does that mean I have a faulty chip? The only other instability issue I've experienced with my system is sometimes a black screen during gaming, requiring me to reconnect my video cable (maybe a windows/nvidia driver issue, but i am not sure).
Even though I plan to keep power limits lower than 253, I would not be very happy with a chip that does not have the potential to work within Intel's specs. I did pay a lot of money for this cpu.
I have updated my bios to the latest version with 0x125. Profile set to Intel performance mode instead of Intel extreme + PL1 125, PL2 175 and Iccmax 307A. Waiting for the August patch.
Kind regards
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Hello User1122,
I understand your frustration. Could you please let us know which games you are playing and whether your BIOS is set to Intel default settings?
Just to add, Intel has determined that elevated operating voltage is a cause of the majority of instability issues in some 13th and 14th Gen desktop processors. Analysis of returned processors with instability symptoms confirms that the elevated operating voltage is stemming from a microcode algorithm resulting in incorrect voltage requests to the processor.
Intel is delivering a microcode patch which addresses the root cause of exposure to elevated voltages. Intel is continuing validation to ensure that scenarios of instability reported to Intel regarding its Core 13th and 14th Gen desktop processors are addressed. Following full validation, Intel is targeting mid-August for patch release to partners.
Best regards,
Dean Clyte R.
Intel Customer Support Technician
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Thanks for your reply Dean.
I am using BIOS version FJe which is the latest version and includes 0x125 patch. Like I wrote, I am using Intel Performance Profile (a profile that was added with the FJe update). I can select custom, performance or extreme. In addition to performance, I set PL1 to 125, PL2 to 175 and ICCmax to 307A.
I read about the mid August patch. However I really want to know whether my 14900K is faulty when it can not run an UE5 game with PL1 253 and PL2 253, which is within Intel spec. The game is Lords of the Fallen and it crashes in the menu when it starts compiling shaders. I've read that the 'out of video memory' -error during shader compilation in UE5 games is related to 13th and 14th gen chips. After trying a couple of times and getting the same error, I set PL1 to 125 and PL2 to 175, and then the game works all of a sudden.
So what is that? Why can it not run the game at power limits 253? I would like to know if that is an indication my cpu is already damaged / unstable at specs it should be able to handle.
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Hello User1122,
Apologies for the delay in my response
Just to add, incorrect voltages are one aspect of Vmin Shift Instability issues. Intel has delivered a microcode patch (0x129) as a partial mitigation addressing exposure to elevated voltages which is a key element of the Vmin Shift Instability issue.
To date, three mitigations have been identified related to this issue:
1) Intel default settings to avoid elevated power delivery impact to the processor (May 2024)
2) Microcode 0x125 to fix the eTVB issue in i9 processors (June 2024)
3) Microcode 0x129 to address elevated voltages, (August 2024)
Investigation continues to identify additional aspects of instability that may be addressed by potential future mitigations.
There's a new BIOS version with your motherboard. I highly suggest updating it to the latest:
Z790 AORUS ELITE (rev. 1.1) Support | Motherboard - GIGABYTE Global
For more details about the Warranty of Intel processors, kindly check this link:
Warranty Guide for Intel® Processors
We can help you with the troubleshooting if you want, however if you really wish to claim warranty, please contact your local warranty support team for them to gather the needed details and validate your processor. Kindly open the link below and choose your country to contact your local Warranty Team.
Contact Intel for Your Support Solutions
If you have questions, please let us know.
Best regards,
Dean Clyte R.
Intel Customer Support Technician
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Hi User1122,
We are following up to find out if you experience any issues.
We weren't able to get any response from you regarding the needed information.
Best regards,
Dean R.
Intel Customer Support Technician
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Hello User1122,
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.
Best regards,
Dean Clyte R.
Intel Customer Support Technician

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