Have you checked the fans to make sure they're all functioning? It could be heat related. Also, were there any power surges or outages or anything that you noticed? A minor component failing from a surge could cause similar symptoms. -- Michael Vieths Email: Foeclan at Winternet.com Web: http://www.geekbear.net Mike Nielsen wrote: > Hi there... > > For the last week or two I'm getting about 2-3 days of uptime before > my machine is just lock. Sysrq doesn't work, Numlock goes out, etc. etc. > > I have been through all the logs and can't find an oops or a panic of anysort. > > Most of the hardware is under a year old. I think my floppy drive is used. > > Dual P3 550 Asus P2b-DS (With the latest bios patches) >