Int 2F Fn FB42  PU - Borland C++ 3.0 Dpmiload.exe - Convert Selector To S  [E]

   AX = FB42h
   BX = 0023h
   CX = selector

Return: DX = status (see also AX=FB42h/BX=0004h)
       0000h successful
       CX = real-mode segment number
       FFF2h descriptor has invalid base address for real-mode segment

See Also: AX=FB42h/BX=0010h