_sbInit()

         Initiates the Sound Blaster and determine it's presence

    Syntax:

         _sbInit() -> lError

    Description:

         Initiates the Sound Blaster and/or Sound Blaster Pro and determine
         it's presence giving back a logic.
         Remember that before calling this function you have to set up the
         IRQ and IO Address if the values are not the ones of your system.
         that means thaf if the IRQ is diferent of 7h or the IO Address
         is different of 220h. Use the functions sbIO() and sbIRQ().

    Return:

         A logic value indicating if the Sound Blaster is available on the
         system on the IRQ and IO Address specified.

    Example:

         If _sbInit()
           ? "There's a Sound Blaster Card"
         EndIf