OK, when the CPU is pegged, what process in Task Manager | Processes is hogging it all? The disk thrashing may be a side affect...

>The server's configuration has not changed, the demand has increased, causing me to question things.
>The controller provided by HP, HP netserver ld pro.
>There is no driver in the boot.ini, so it must be using the bios of the controller.

What I meant above, are you using scsi() syntax in boot.ini, and is NTBOOTDD.SYS in the root of the drive?

>See my previous reponse for a list of all services and processes.
>nothing in the eventlog

Got it.