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Re:Hot Chips 2023: AMD’s Phoenix SoC by da768 on Sunday September 17, 2023 @08:19AM (#37544263)
More like 7200 RPM, but that would be 120Hz. The motor would be driven by PWM though, that's more likely to cause sound issues
Re:Hot Chips 2023: AMD’s Phoenix SoC by tyingq on Sunday September 17, 2023 @09:10AM (#37544691)
A deep dive into that topic...PWM drivers for hard drives, torque ripple, and reducing noise. https://www.ti.com/sc/docs/msp/papers/1998/bwhite.pdf