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macbook: raise mbpfan thresholds so the fan stays quiet at idle

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Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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rope 2026-08-19 16:53:20 +01:00
parent e9f27b8255
commit d8029c5657
1 changed files with 5 additions and 4 deletions
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hosts/FredOS-Macbook.nix
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@ -35,13 +35,14 @@
# The SMC holds the fan at its 1200 RPM floor while the package sits at # The SMC holds the fan at its 1200 RPM floor while the package sits at
# 79C — measured 1210 RPM at settled idle. (An earlier 5813 RPM reading # 79C — measured 1210 RPM at settled idle. (An earlier 5813 RPM reading
# was a rebuild spinning down, not the steady state.) Nothing in-tree # was a rebuild spinning down, not the steady state.) Nothing in-tree
# ramps applesmc, so drive it directly and start well before 79C. # ramps applesmc, so drive it directly. Tjmax is 100C and thermald throttles
# long before that, so no reason for the fan to leave its floor in the 60s.
services.mbpfan = { services.mbpfan = {
enable = true; enable = true;
settings.general = { settings.general = {
low_temp = 55; # below this, coast at minimum low_temp = 68; # below this, coast at minimum
high_temp = 65; # start climbing here high_temp = 80; # start climbing here
max_temp = 80; # full tilt — the old ceiling was above idle temp max_temp = 92; # full tilt, still 8C under Tjmax
}; };
}; };