12/28/2023 0 Comments Macs fan control m1![]() Instead, the PRAM uses a small internal battery that saves your settings even when your Mac is turned off. Unlike RAM memory, which is like your computer’s short-term memory, info stored in the PRAM isn’t temporary - so it doesn’t get cleared. It’s where settings information related to your Mac’s operating system (OS) is stored, including display settings (like resolution and color depth), time zone, volume, and more. PRAM (parameter random access memory) is the memory that stores core details about your Mac. Rather annoying because while I can basically solve it by doing manual fan control, it's ridiculous that I should have to do hacks like this on day 1! Guess I'll have to take it up with Apple support but annoyed I might have to do a, likely very lengthy, return.58928459617 Logo Ameba Icon Security Icon Security White Icon Privacy Icon Performance Icon Privacy Icon Security Icon Performance Icons/45/01 Security/Other-Threats Icons / 32 / Bloatware removal Icons / 32 / Registry Cleaner Icons / 32 / CleanUp Icons / Feature / 32 / Mac Icons / 32 / Browser cleanup Icons/32/01 Security/Malware Icons/32/01 Security/Viruses Icons/32/01 Security/Other-Threats Icons/32/01 Security/phishing Icons/32/01 Security/Scams Icons/32/01 Security/hacking Icons/32/01 Security/Security-tips Icons/32/01 Privacy/Privacy-tips Icons/32/01 Performance/Software Icons/32/01 Privacy/Identity-Protection Icons/32/01 Privacy/Digital-life Icons/32/01 Performance/Performance-tips Icons/32/01 Security/Passwords Icons/32/01 Security/Ransomware Icons/32/01 Security/Business Icons/32/02 Privacy/Browser Icons/32/02 Privacy/IP adress Icons/32/02 Privacy/VPN Icons/32/02 Privacy/Proxy Icons/32/02 Privacy/Streaming Icons/32/03 Performance/Celaning Icons/32/03 Performance/Drivers Icons/32/03 Performance/Gaming Icons/32/03 Performance/Hardware Icons/32/03 Performance/Speed Icons / 32 / Bloatware removal Icons / 32 / Registry Cleaner Win Icons / 32 / CleanUp Icons / Feature / 32 / Mac Icons / 32 / Browser cleanup Icons/60/02 Privacy/02_Privacy Icons/60/01 Security/01_Security Icons/60/03 Performance/03_Performance Icons/45/01 Security/phishing Icons/45/01 Security/Scams Icons/45/01 Security/hacking Icons/45/01 Security/Security-tips Icons/45/01 Privacy/Privacy-tips Icons/45/01 Performance/Software Icons/45/01 Privacy/Identity-Protection Icons/45/01 Privacy/Digital-life Icons/45/01 Performance/Performance-tips Icons/80/01 Security/phishing Icons/80/01 Security/Scams Icons/80/01 Security/hacking Icons/80/01 Security/Security-tips Icons/80/01 Privacy/Privacy-tips Icons/80/01 Performance/Software Icons/80/01 Privacy/Identity-Protection Icons/80/01 Privacy/Digital-life Icons/80/01 Performance/Performance-tips Icons/80/01 Security/IoT Icons/80/01 Security/Malware Icons/80/01 Security/Passwords Icons/80/01 Security/Ransomware Icons/80/01 Security/Viruses Icons/80/01 Security/Other-Threats Icons/80/03 Security/Business Icons/80/02 Privacy/Browser Icons/80/02 Privacy/IP adress Icons/80/02 Privacy/VPN Icons/80/02 Privacy/Proxy Icons/80/02 Privacy/Streaming Icons/80/03 Performance/Celaning Icons/80/03 Performance/Drivers Icons/80/03 Performance/Gaming Icons/80/03 Performance/Hardware Icons/80/03 Performance/Speed Icons/80/03 Performance/03_Performance Icons/80/02 Privacy/02_Privacy Doesn't seem like coil whine or something, it's 100% determined by fan speeds. So seems to me like a bit of nasty resonance on the fans / fan motor that causes whining at certain frequency intervals. ![]() Some faster speeds just make the whining more intense too. ![]() Oddly if I run it at some fan speeds higher than 1300 RPM I get a louder usual fan whoosh but the whining also goes away. Minimum of 1100 RPM also works, virtually silent in every way. Makes virtually no difference to temps (stays around 55*C or so at most) even under artificial max load of benchmarks but gets rid of the whining. What "fixes" it is manually bringing the fans down from the standard 1300 RPM to around 1200 RPM. But this whining sound is distinct and much more annoying. Actual fan whoosh is barely noticeable (similar to my very quiet 12-Core Mac Pro 2019 sitting on the floor which this is supposed to replace). At the default 1300ish RPM speed there is a noticeable high pitched whining sound.
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