• Order of the Butterfly
    Order of the Butterfly
    sailor
    Posts: 277 from 2019/5/9
    From: Central Bohemi...
    Quote:

    Zetec-s wrote:
    I haven’t upgraded my Quad yet to 3.16 but I might try running it off the update first and see how the fans behave.


    I tried MOS 3.15 and 3.14 booted from USB and all is the same - fans stays on low RPM, while CPU temp rises above 70°C.

    According to cyfm, Mac Mini fans are controlled with uPMU controller automatically, without management from MorphOS.
    When I see Powermac G5 diagram, it looks like the fans are controlled via SMU (System Management Unit).
    Are MorphOS involved here with control or not and all is automatic ?

    And is it useful to reset the SMU?

    Because temperature regulation for me now works with MacOSX and not works with MorphOS. And worked for me with MorphOS a year before or so.
    It is strange.
    AmigaOS: Micro A1-C, AmigaOne XE, Pegasos II, Sam440ep, Sam440ep-flex, AmigaOneX1000
    MorphOS: Efika 5200b, Pegasos I, Pegasos II, Powerbook G4, Mac Mini, iMac G5, Powermac G5 Quad
  • »19.04.22 - 12:08
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