On Wed, 17 May 2000, Albrecht [iso-8859-1] Dre� wrote: > Tim Wojtulewicz wrote: > > No it's definitely supposed to have a fan. It comes on in MacOS. > > The problem is that the PMU is not fully supported yet, so it doesn't > > understand that the processor is too hot. I'm trying to find > ^^^^^^^^^^^^^^^^^^^^ > Does this mean that I can damage the machine if I just run a high-load > program?!?
There won't be any damage to the machine. The problem is that when the processor reaches a certain temperature (one that is above limits) it puts out a halt instruction. This causes the machine to lock up. The protection against overheating is built into the processor (last time I checked). What should happen is that the OS should realize that the processor is getting too warm, and turn on the fan before that limit is reached. Unfortunately, the temperature sensing code doesn't work so well (or maybe something else), and the fan never comes on. Don't worry about the machine, somewhere I heard the plastic case can handle around 250 degrees F, so it's not in any danger of melting. Tim
