Support Information:
Device Type: Modem / ISDN
Manufacturer:
Model: vd56ul
Interface: USB
Operating System: Windows XP Professional
Age of Device: < 6 months old
FCCID:

Find it on DriverGuide (http://members.driverguide.com/index.php?action=srch&sm=b&aax=&qa6=-2&qa5=10&qa7=1500&dp=0.5&qm0=vd56ul&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=+Modem+%2F+ISDN++vd56ul+Windows+XP+Professional+ ) | Research manufacturer (http://members.driverguide.com/index.php?action=getinfo&companyid=-2)

A no-name USB external modem packaged with Acer Aspire L100 and Aspire L310 discount systems sold by vendors like Geeks. I doubt Acer will support it but they might. With no manufacturer (or chipset description), I cannot help you.