What OS are you running? Does it have the Power Mac G5 Firmware Update 5.1.4? It is here: http://www.apple.com/support/downloads/ powermacg5firmwareupdate.html Mine still speeds up every now and then, but nothing like a B1 taking off like it used to! Nanc On Oct 20, 2005, at 7:37 PM, Zane H. Healy wrote: > At 6:24 PM -0400 10/20/05, Stephen Lanza wrote: >> I have a dual G5 2.0 that has been experiencing an unusual fan >> problem. On >> random occasions where I haven't used the machine for a while (like >> overnight), I come back to the machine to find the fan running >> continuously >> at a high speed. > > I've seen this happen a few times in the two years I've owned my > system. I think it has been a grand total of 3-5 times. > > When this happens the system has apparently crashed and decided > that it's overheating and needs the fans running full bore. > > It is *VERY* disturbing! > > Zane > > > -- > -- > | Zane H. Healy | UNIX Systems Administrator | > | healyzh at aracnet.com (primary) | OpenVMS Enthusiast | > | | Classic Computer Collector | > +----------------------------------+----------------------------+ > | Empire of the Petal Throne and Traveller Role Playing, | > | PDP-10 Emulation and Zane's Computer Museum. | > | http://www.aracnet.com/~healyzh/ | > _______________________________________________ > X4U mailing list > X4U at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/x4u > > Listmom is trying to clean out his closets! Vintage Mac and random > stuff: > http://search.ebay.com/_W0QQsassZmacguy1984