I successfully installed Windows XP Professional and everything is OK and stable, but in the event log, ALWAYS, I get in the event log, " Error ACPI BIOS attempted to write to an illegal IO port address, which resides in the 0x70-0x71 address range." Why??? ---Randy J. Anderson--- PCBUILD's List Owners: Bob Wright<[log in to unmask]> Drew Dunn<[log in to unmask]>