Information on the bFax Pro Setting Program for the Jornada 680e:

This is the bFAX Pro registry setting program for HP Jornada 680e. It resolves no "Modem to use" 
in drop down list problem. Download program to the Windows directory on the Jornada. Execute 
registry.exe by double-clicking the icon. Perform a soft reset to return the bFAX Pro registry 
to the default settings. In bFAX Pro, tap Options, tap Communications, select PC Card Modem on 
COM2 as the modem to use, select 14000 as the maximum rate, and then type "ATX0S0=2" in the Modem 
Initialization String box. Click OK. After completion, you should install the latest HP setting 
driver, which will automatically correct the bFAX Pro registry setting after the installation and 
you will not need to run this bFAX Pro Registry Setting Program again.