Terminal still does not recognize SIS AC'97 modem

My computer is running SUSE Linux 10.1 for x86_64.
The modem is the SIS AC-Link Controller
# PCI ID 1039:7013.

I downloaded
hsfmodem-7.47.00.05x86_64full-1.x86_64.rpm.zip
and the rpm installed fine.  lspci shows my modem.
lsmod shows the hsf modules as loaded.

/dev/modem is a symbolic link pointing to /dev/ttySHSF0.

My terminal program reports that it cannot find
the modem even if I explicitly set the port to
/dev/modem or /dev/ttySHSF0.

Do you have any suggestions for getting the modem to work?

Thank you for your help.