The following steps show how to add the mdedriverdll.lib file to a VC++ program for the MDE8255LPT-1 board. It is assumed that the driver and DLL is already installed on the PC. If it has not been install please contact your lab manager for assistance. To use the DLL you must include the MDEDriverDLL.lib file in the MSVC IDE. See LAB 0 at http://www.microdigitaled.com/8086assembly_labs.html After you have created your project workspace follow these steps 1) Make sure you MDEDriverDLL.Lib file is in the source file directory 2) Select Project from the Menu Bar 3) Select Settings... 4) Select the Link Tab 5) Select General under the Category drop down box 6) In the Object\Library modules: text box add the MDEDriverDLL.lib to the end of the list 8) Click OK Note: Remember you must have the DLL in the windows\system\ path.