UbuntuHelp:DialupModemHowto/Conexant
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Modems supported by the Conexant drivers
Note: Conexant does not provide drivers for Linux, but commercial Linux drivers are available from Linuxant, a separate company. Licenses cost 19.99 US dollars. (But note that full-featured versions of the drivers are also freely available from Dell.) That comes with at least one year support and kernel-version upgrades, after which you need to purchase it again if you are running a different kernel which needs a newer version of the driver (although if you have the kernel headers installed it may be able to rebuild itself for your kernel, depending on what changes have been made in the driver - just try installing the deb and see). Without the license, the drivers are limited to a maximum speed of 14.4Kbps (this restriction does not apply to the drivers supplied by Dell). However, some Conexant modems can be run with the sl-modem-drivers (smart link) or an open source driver. Note that in general, you can buy a Lucent or Intel (smartlink, or other brand with intel chipset) modem for less than 19.99 US.
Conexant drivers provided by Dell (full-speed and free)
Dell provides drivers for the Conexant modems of their Linux-based laptops which should work with all Conexant HSF modems. These drivers can be downloaded from the following addresses:
For Ubuntu 8.10 (Intrepid Ibex) and later: This hybrid approach has been reported to work (you can use this more recent package from Dell instead of the one mentioned in the forum post). For the lazy, just download this ready-made package; after unpacking it and entering the resulting directory, do sudo make install and sudo /usr/sbin/hsfconfig.
For Ubuntu 8.04 (Hardy Heron): [1].
For Ubuntu 7.10 (Gusty Gibbon): [2].
Download the .deb file there, double click it and it will be installed automatically.
Note: Ubuntu 7.04 (Feisty) users can use this link to install their Conexant HSF driver.
Open Source
Rafael Espíndola has ported the latest open source Conexant driver to 2.6.x kernels. AlexandreOttoStrube packaged it for Ubuntu Breezy using kernel 2.6.12-8. The source code and the binary package for Breezy can be found at [3] courtesy AndyRabagliati. For Ubuntu 6.06 Dapper, attachment:modem-hsfpci.tar.bz2 is a script to extend this driver to other supported hsf modems and other kernels. Just unpack it and read the HOWTO.
Quick Steps for setup of Linuxant/Conexant HSF driver
Assuming you know everything there is to know about your setup, all you need to do is: Get the ZIPped Debian hsfmodem package from Linuxant from another connected machine (find the Ubuntu 5.10 package). Remember to extract the Debian package to your Desktop (easier to locate). You will use the terminal application to run the commands listed below. The terminal application looks in specific directories for ".deb" packages. If you download binary file then goto Step 3. Step 1 If you are using Ubuntu 5.10 (Breezy Badger), make sure you have followed the section of this document entitled Installing GCC 3.4. Step 2 Then install hsfmodem:
unzip hsfmodem_*.deb.zip #extract file sudo dpkg -i hsfmodem_*.deb #install .deb package
Step 3 And finalize the modem driver installation:
sudo hsfconfig
sudo hsfconfig will prompt you about your location, your email address and license credentials, assuming you've purchased one; if not, then go by the FREE license key which will grant you up to 14.4 kbps connectivity only :(
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