Have you tried disabling ACPI via hint.acpi.0.disabled="1" in /boot/loader.conf The ACPI on these older machines is pretty bad. I have a very similar SuperMicro machine w/o SCSI at work which runs 5.3-R fine w/ACPI disabled. I discovered early in the 5.0 cycle that enabling ACPI would lead to a console message for each fxp0 interrupt.. DrewReceived on Tue Nov 30 2004 - 12:12:56 UTC
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