On Fri, May 19, 2000 at 12:30:07PM +0000, Sergio Brandano wrote: > Ok Sven. You are convinced about your idea, but I am still skeptical. > In order to persuade me, I need a proof. Please perform this simple > experiment, then report the result. The experiment is as follows. > Have a nice and long trip with your car, then come back home, and > switch the engine off ensuring that the cooling fan is not spinning. > Let us know if your car starts again the next day.
Well, I'm not Sven, but... My 1999 Saturn always turns the fan off when the ignition is turned off. I actually haven't seen a car made in the last 5 years that would leave the fan on after shutdown. Perhaps the manufacturers realized it only cooled the no-longer-circulating water in the radiator. So, you might say I perform this experiment every time I take a nice long trip. > If you prefer, you can perform the similar experiment with your brand new > PowerBook 500Mhz. Just run an intensive floating point application > for a long time, then shutdown. Keep doing it every day, for a week > or so. Let us know it your jewel works fine at the end of it. Since I've never been able to get the fan to come on in my 333Mhz powerbook, I don't know how much this applies. I haven't performed much computation in MacOS to see if it comes on a little. Kind of intuitively, though, the natural reaction I would have to "the CPU is too hot" would be to turn it off. Never seen a desktop machine that ran its fan after poweroff. Dave Brown
