Int 2F Fn 4A10  - Smartdrv V4.00+ - Flush Buffers (commit Cache)           [c]

   AX = 4A10h
   BX = 0001h

Note:  this function is also supported by PC-Cache v8.0.

See Also: AX=4A10h/BX=0000h,AX=4A10h/BX=0002h,INT 21/AH=0Dh