Intel says its Raptor Lake crashing chip nightmare is over

Vmin Shift Instability Root Trigger 

Intel® has localized the Vmin Shift Instability difficulty to a clock tree circuit throughout the IA core which is especially susceptible to reliability ageing beneath elevated voltage and temperature. Intel has noticed these situations can result in an obligation cycle shift of the clocks and noticed system instability.  

Intel® has recognized 4 (4) working eventualities that may result in Vmin shift in affected processors: 

1) Motherboard energy supply settings exceeding Intel energy steerage. 

a. Mitigation: Intel® Default Settings suggestions for Intel® Core™ thirteenth and 14th Gen desktop processors.  

2) eTVB Microcode algorithm which was permitting Intel® Core™ thirteenth and 14th Gen i9 desktop processors to function at greater efficiency states even at excessive temperatures. 

a. Mitigation: microcode 0x125 (June 2024) addresses eTVB algorithm difficulty.  

3) Microcode SVID algorithm requesting excessive voltages at a frequency and period which may trigger Vmin shift. 

a. Mitigation: microcode 0x129 (August 2024) addresses excessive voltages requested by the processor.  

4) Microcode and BIOS code requesting elevated core voltages which may trigger Vmin shift particularly during times of idle and/or gentle exercise. 

a. Mitigation: Intel® is releasing microcode 0x12B, which encompasses 0x125 and 0x129 microcode updates, and addresses elevated voltage requests by the processor throughout idle and/or gentle exercise durations.