The part number 777073-01 corresponds to our PCI-GPIB card that ships with our Windows NT compatible version of the NI-488.2 driver. Thus, as long as you install a version of the NI-488.2 driver that supports Windows XP, you should be good to go. To find NI drivers, simply go to www.ni.com/drivers and search for 488.2 and sort by drivers that support your OS. The most current NI GPIB driver for XP is NI 488.2 2.8 which is available here: http://joule.ni.com/nidu/cds/view/p/id/2129/lang/en
