INT 2F - Multiplex - ??? - INSTALLATION CHECK???                                
	AX = FA00h
	BX = ??? (0408h)
	CX = ??? (001Fh)
	DX = ??? (0102h)
	SI = ??? (5ACCh)
	DI = ??? (0632h)
Return: ???
Note:	called by WinEmacs at startup
                                                                                

INT 2F - Multiplex - ??? - INSTALLATION CHECK???                                
	AX = FA00h
	BX = ??? (03FCh)
	CX = ??? (003Fh)
	DX = ??? (00FFh)
	SI = ??? (5AA6h)
	DI = ??? (0620h)
Return: ???
Note:	called by Matlab at startup