W/H,DC Board SVCE  (BI-48SD,BI-42SD)
  BI-42SD Use From Serial #4300000 To #4341000
          Starting With #4341000 See 7040188
          Use Prior to #4300000 See 7012708
  BI-48SD Use From Serial #4300000 To #4341000
          Starting With #4341000 See 7040189
          Use Prior to #4300000 See 7012708