W_H,DC,BD,SVCE (BI-48SD,BI-48SID,BI-42SID,BI-42SD)
 BI-48SD  Use Starting With Serial #4754300
          From #4341000 to #47543000 See 7040189
          Prior to Serial #4341000 See 7040030
 BI-48SID Use Starting With Serial #4754300
          From #4341000 to #47543000 See 7040189
          Prior to Serial #4341000 See 7040034
 BI-42SD  Use Starting With Serial #4754300
          From #4341000 to #4435000 Se 7040188
          Prior to Serial #4341000 See 7040030
          From #4435000 to #4754300  See 7040189
 BI-42SID Use Starting With Serial #4754300
          From #4341000 to #4435000 Se 7040188
          Prior to Serial #4341000 See 7040034
          From #4435000 to #4754300  See 7040189