you need to supply some routing table to kernel. Any of following: in DSDT PIR table MP Table.
There is some util to dump this table friom original bios, although in my case MP table was totally b0rked. I think for a start you may switch off the acpi=off Rudolf -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios
