I function 0304h - Free Real Mode Callback Address</A></FONT><BR>
  <FONT SIZE=-1 FACE="Verdana, Arial, Helvetica"><A HREF="prog/int31h/0305.htm">2.28 - DPMI function 0305h - Get State Save/Restore Addresses</A></FONT><BR>
  <FONT SIZE=-1 FACE="Verdana, Arial, Helvetica"><A HREF="prog/int31h/0306.htm">2.29 - DPMI function 0306h - Get Raw Mode Switch Addresses</A></FONT><BR>
  <FONT SIZE=-1 FACE="Verdana, Arial, Helvetica"><A HREF="prog/int31h/0400.htm">2.30 - DPMI function 0400h - Get DPMI Version</A></F