Support Information:
Device Type: Sound Card
Manufacturer: Toshiba
Model: 5.10.0.5850
Interface: PCMCIA
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=&qa5=19&qa7=1500&dp=2&qm0=5.10.0.5850&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+Toshiba+5.10.0.5850+Windows+X P+Professional+)

Toshiba support is not difficult to find: I believe I've already given you the links at least twice before:

http://eu.computers.toshiba-europe.com/cgi-bin/ToshibaCSG/download_drivers_bios.jsp

http://www.toshiba.ca/web/group.grp?lg=en&section=1&seg=1

http://www.csd.toshiba.com/cgi-bin/tais/su/su_sc_home.jsp

however, it appears you need more help identifying your hardware than you do with locating drivers.