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

   DI = 0903h
   STACK:  2 WORDs unused dummies (for calls from high level languages)
       WORD    size of block in bytes???

Return: AX -> memory block???
   STACK unchanged

See Also: INT 60/DI=0900h,INT 60/DI=0904h