Support Information:
Device Type: Modem / ISDN
Manufacturer: Boca Design
Model: mv34xx
Interface: PCI / ISA
Operating System: Windows XP Professional
Age of Device: Not specified
FCCID:

Find it on DriverGuide (http://members.driverguide.com/index.php?action=srch&sm=b&aax=&qa6=2107&qa5=10&qa7=1500&dp=3&qm0=mv34xx&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=Boca+Design+Modem+%2F+ISDN++mv34xx+Windows+XP+Pr ofessional+) | Research manufacturer Boca Design (http://members.driverguide.com/index.php?action=getinfo&companyid=2107)

http://www.bocaresearch.com/support/drivers.html

I doubt you will find XP support for this ancient modem. Production was stopped long before the introduction of Windows XP.