Int 21 Fn DF04  - Software Carousel - Get Partition Name                   [T]

   AX = DF04h
   BL = task number

Return: AL = status
       00h Carousel not running
       01h successful
       CX = length of name (00h if default partition name)
       ES:BX -> partition name (if CX nonzero)
       FFh unsucessful
       AH = error code (01h) (see #1501)

See Also: AX=DF06h