Int 60  u - Hp 95lx System Manager - Free Large Memory Block               [b]

   DI = 0904h
   STACK:  2 WORDs unused dummies (for calls from high level languages)
       WORD    segment of memory block???

Return: AX -> ???
   STACK unchanged

See Also: INT 60/DI=0902h,INT 60/DI=0903h