FreeBSD 6.1-STABLE: Unexplained power off

[Android Andrew [:]]

Hello everyone!
I want to thank all of you for ideas and support!
Finally I've resolved this annoying problem with "Unexplained power off".
Right were those who supposed hardware problem. I've replaced PSU, and 
everything is OK - system is stable under any load...

Android Andrew [:] wrote:
> Thank you for answers!
> 
> Yesterday the last iteration of high load testing finished with just
> another power off.
> There are two ways of problem-solving have been outlined in this thread.
>  One way - hardware problem, e.g. PSU.
> Another way - software, e.g. APM/ACPI problem.