ACPI_ALWAYS_ILLEGAL
{"PIC0", 0x0020, 0x0021, ACPI_ALWAYS_ILLEGAL},
{"PIC1", 0x00A0, 0x00A1, ACPI_ALWAYS_ILLEGAL},
{"ELCR", 0x04D0, 0x04D1, ACPI_ALWAYS_ILLEGAL},
if (PortInfo->OsiDependency == ACPI_ALWAYS_ILLEGAL ||