The following are the Dip Switch settings based off of MAME 0.180 source code.
 
Use this information at your own risk!  The information was parsed from the MAME source code and could contain errors as to the state, order or descriptions of what the switches do.  If you find an error, please let me know on the Contact Us form and I will work on correcting the issue. 
 
 
 
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Manufactured by Taito Corporation (Fox Video Games license), Released in 1983
ROM Version: Bio Attack
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Dip Switch:DSW1
12345678FunctionOption
OnOff      Bonus Life10000
OffOn      15000
OnOn      20000
OffOff      5000*
  Off     UnknownOff
  On     On*
   OffOff   Lives3*
   OnOff   4
   OffOn   5
   OnOn   6
     Off  UnknownOff
     On  On*
      On Flip ScreenOff*
      Off On
       OffCabinetCocktail
       OnUpright*
Dip Switch:DSW3
12345678FunctionOption
Off       UnknownOff
On       On*
 Off      Off
 On      On*
  Off     Off
  On     On*
   Off    Off
   On    On*
    Off   Off
    On   On*
     On  Year DisplayNo
     Off  Yes*
      Off Invulnerability (Cheat)Off*
      On On
       OffCoinageA and B*
       OnA only
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