Intel i9 13900K and 14900K CPU's

andyrpsmith wrote on 7/27/2024, 7:53 AM

Just in case you are not aware there is an issue with i9 (and to a lesser extent other Intel CPUs are failing due to high core voltage being requested by the CPU). This is seen by the user as PC crash and or messages that you have run out of Vram when clearly you have not. If you get to the stage of crashing often it is likely your CPU is permanently damaged and will need to be replaced by Intel.

You may or not be aware that all motherboard MFR's have released an interim BIOS update to keep the CPU within Intel limits and you are recommended to update your MB BIOS now (most BIOS updates have been posted in July so check). The BIOS update is likely to say "Updated with microcode 0x125 to ensure eTVB operates within Intel specifications"

Intel are releasing a code update via MB manufacturers in mid August but this will not repair damaged CPUs only stop CPUs from requesting excessive core voltages from the motherboard.

Any overclocking is likely to hasten the death of the CPU. Any Vcore voltage at 1.5V or above is considered high and best keep Vcore below 1.45V.

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Comments

john_dennis wrote on 8/15/2024, 12:49 PM

I updated my BIOS to 2504 this morning and accepted the defaults long enough to see what was happening.

Here is a screenshot showing that Intel/ASUS appears to be controlling at the maximum temperature.

It's pointless for me to run benchmarks since I have a profound techno-philosophical issue with the concept of running core temps at the boiling point of water. I'll be offline while I plug in my control scheme.

john_dennis wrote on 8/15/2024, 1:26 PM

I observed a reduction in the "predicted" voltage from the original BIOS to the last one.

Rich Parry wrote on 8/15/2024, 2:35 PM

Thank you for your insight and comments. Going to wait a see a little longer.

andyrpsmith wrote on 8/15/2024, 4:22 PM

Rich, you should update your BIOS to include the micro code 129 update as soon as possible as it stops the CPU asking for Core Voltages above 1.55V (this includes voltage spikes above 1.55V). The longer you leave it the greater the risk of CPU damage.