Support Information:
Device Type: Sound Card
Manufacturer: Yamaha
Model: ct4780
Interface: Other
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=1165&qa5=19&qa7=1500&dp=3&qm0=ct4780&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=Yamaha+Sound+Card++ct4780+Windows+XP+Professiona l+) | Research manufacturer Yamaha (http://members.driverguide.com/index.php?action=getinfo&companyid=1165)

CT4780 is a Creative Labs product (not Yamaha).

http://us.creative.com/support/identifyproduct/welcome.asp