INT 68 U - ???                                                                  
	AX = 4400h
	BX = ???
	CX = ???
	DX = ???
	DS:SI = real-mode address of protected-mode GDT
	ES:DI = real-mode address of protected-mode IDTsee Interrupt Descriptor Table
Return: ???
Note:	called by Novell DOS 7.0 EMM386.EXE if AX=4300h returns AX=F386h
SeeAlso: AX=4300h