> I dont seem to have any problems ( use this machine as a cheap h/w > random number generator, so its always under load ~ 1 ) > Same board, same model. Thanks for the information. This looked and felt like an acpi induced problem. I discovered that acpid was turned on for some reason, so I turned off the acpid daemon and it has behaved well for the last day. Are you booting yours with acpi=off as well ?? Thanks again. regards, benm