This toshiba 1625 CDT laptop now has XP from the old 98 and the modem quit. It now says no dialtone. I have used the drivers from the toshiba support and here and they must be wrong now that there is XP. The windows driver XP install do the same. The modem work fine for a while. I am not sure hoe to open the lap top to install or check the chipset number on the modem. Help help help.

Support Information:
Device Type: Modem / ISDN
Manufacturer: Conexant
Model: says soft V90 data fax
Interface: PCI / ISA
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=247&qa5=10&qa7=1500&dp=2&qm0=says++soft+V90+data+fax&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=Conexant+Modem+%2F+ISDN++says++soft+V90+data+fax +Windows+XP+Professional+) | Research manufacturer Conexant (http://members.driverguide.com/index.php?action=getinfo&companyid=247)

There is no need to open the machine. It doesn't really matter what modem is inside, Conexant didn't build it. Conexant only made the chipset. Toshiba takes the chipset and incorporates propriatary firmware on it so that makes it where generic drivers won't work on it, eg: you must use drivers ONLY from Toshiba.

Use this link to find support for Toshiba laptops:

http://www.google.com/search?hl=en&q=Toshiba+Laptop+support&btnG=Google+Search

remove all old drivers, including any INF files that might have been copied to the C:\Windows\INF folder relating to Toshiba. Then reinstall the drivers.