STAC9200
          ref           Reference board
          dell-d21      Dell (unknown)
          dell-d22      Dell (unknown)
          dell-d23      Dell (unknown)
          dell-m21      Dell Inspiron 630m, Dell Inspiron 640m
          dell-m22      Dell Latitude D620, Dell Latitude D820
          dell-m23      Dell XPS M1710, Dell Precision M90
          dell-m24      Dell Latitude 120L
          dell-m25      Dell Inspiron E1505n
          dell-m26      Dell Inspiron 1501
          dell-m27      Dell Inspiron E1705/9400
          gateway       Gateway laptops with EAPD control
          panasonic     Panasonic CF-74