Int 2F Fn 4A11  - Dblspace.bin - "getfilefragmentspace" - Get Size Of Fra  [k]

   AX = 4A11h
   BX = 0008h
   DL = compressed drive number (0=A:)

Return: AX = status (0000h,0102h) (see also #2490)
       0000h successful
       BX = maximum entries in File Fragment heap
       CX = available entries in File Fragment heap

See Also: AX=4A11h/BX=0000h,AX=4A11h/BX=0007h,AX=4A11h/BX=0009h