The 8753E Driver can be downloaded from Agilent Website. About 1.5 M. Support LV/LabWindows.
Here is the Link..
http://we.home.agilent.com/cgi-bin/bvpub/agilent/editorial/cp_MiscEditorial.jsp?OID=536913831&NAV_ID=-11916.536881282.03&LANGUAGE_CODE=eng&COUNTRY_CODE=ZZ
Search "8753E" at www.agilent.com Follow the 8753E Link Under "Product and Services" and Go to Library and Select VXI Driver.
Regards,
Mache
Good Luck!
Mache