Int 13 Fn 2A  u - Quickcache Ii V4.20 - Set Buffer Size                    [c]

   AH = 2Ah
   AL = buffer size (1-30)

Return: AX = status (0000h successful)
Desc:  specify the number of cache sector buffers to dedicate to buffered read
     and write operations

See Also: AH=2Ch,AH=2Dh,AH=39h,AH=3Ah