Hi,
This is an extremely old board, so you may be having a problem with the board itself. Nonetheless, for an example of what the code should look like, you can refer to this example:
http://venus.ni.com/stage/we/niepd_web_display.display_epd4?p_guid=C34C96592D865FBDE034080020E74861&p_node=
Have a Great Day!
George