Support Information:
Device Type: Sound Card
Manufacturer: Toshiba
Model: A135-S2246
Interface: SCSI
Operating System: Windows XP Professional
Age of Device: < 2 years old
FCCID:

Find it on DriverGuide (http://members.driverguide.com/index.php?action=srch&sm=b&aax=&qa6=1066&qa5=19&qa7=1500&dp=2&qm0=A135-S2246&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=Toshiba+Sound+Card++A135-S2246+Windows+XP+Professional+) | Research manufacturer Toshiba (http://members.driverguide.com/index.php?action=getinfo&companyid=1066)

This machine was never shipped from Toshiba with Windows XP installed, only Vista... hence they have no drivers posted for this model and Windows XP sound. It has a Realtek sound chipset. Which one? I don't know but you might give this one a try:

http://members.driverguide.com/driver/detail.php?driverid=890370

It's for the Toshiba Equim M40X machine but could be the same device as your machine has.

thanksssss