Alex Hewitt USG writes:
> ... I would have thought that the system would sense it's own
> temperature and use the fan according to whether cooling was
> needed.
That depends on whether the (operating) system is taken as
part of the overall system. Having software in the way allows for
cleverness like turning fans on when the machine goes compute bound,
in anticipation of the need to remove heat, not that I suspect that
any consumer OS does so.
I does seem like the reset default ought to be fans on, but
designers' attention gets defocused when designing battery operated
equipment.
> It doesn't make any sense to me that the system turns the fan on
> full when it's first turned on. It can't possibly have been warm
> enough to need the cooling fan at that point.
Consider that a freshly reset set of hardware may not reliably
know whether it is freshly turned on or just rebooted from a power
hungry infinite loop. If it takes it a while to get around to
measuring and believing temperature, then running the fans until you
know better may be a wise precaution.
Bill
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