Int 2F Fn FB42  PU - Borland C++ 3.0 DPMIload.exe - Free Descriptors For   [E]

   AX = FB42h
   BX = 000Ch
   ES:SI -> memory block info ??? (see AX=FB42h/BX=0002h"3.0")

Return: DX = status???

See Also: AX=FB42h/BX=000Fh