Well i think the HP E4403B is also made by Agilent Technologies so i suggest you look here
😉 I found it on the Instrument Drivers Page
http://sine.ni.com/apps/we/niid_web_display.drv_results?p_app_area=&p_man=agilent&p_keywords=&p_inst_type=&p_env=&p_drv_type=&p_int=
Drivers can be found here
http://sine.ni.com/apps/we/niid_web_display.download_page?p_id_guid=E3B19B3E94EF659CE034080020E74861
Message Edited by Tristan on 05-04-2005 11:25 AM