Int 21 Fn 2517  P - Phar Lap 386/dos-extender V2.1c+ - Get Info On DOS Da  [E]

   AX = 2517h

Return: CF clear
   ES:EBX -> data buffer (protected mode address)
   ECX -> data buffer (real mode address)
   EDX = size of data buffer in bytes

Note:  the data buffer's address changes after calls to AX=2512h and AX=252Ah

See Also: AX=2512h,AX=252Ah,AX=2530h