Int 2F Fn 4A10  - Smartdrv V4.00+ - Get Device Driver For Drive            [c]

   AX = 4A10h
   BX = 0007h
   BP = drive number

Return: DL = ???
   ES:DI -> device driver header for drive

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

See Also: AX=4A10h/BX=0000h,AX=4A11h/BX=0003h,AX=4A11h/BX=0004h