BTCDROM.SYS version 3.20G:

NOTE: For use with Yamaha CDROM drive only, you need to add the "W" switch.
  For Example:  device=c:\path\btcdrom.sys /d:mscd002 /W

      In addition, for use with audio applications, you need to add
      the "/T:SONY" switch.
  For Example:  device=c:\path\btcdrom.sys /d:mscd002 /W /T:SONY