Modem Devices

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Internal Thinkpad Modem

Linux drivers for the various internal Thinkpad modems.

scanModem script

To identify your internal modem, it is always a good advice to start with the scanModem script from: Grab a current version and have a look at its output.


The following cards are known to contain a 3Com modem chip:


The following cards contain this chip:

Agere (T40p)

Give the drivers for Agere Softmodems from Smartlink a try:

The following cards contain this chip:

Conexant (T42p)

Although, the Smartlink driver for Agere modems (see above) is able to communicate with the modem via AT commands, it cannot dial out (contradicting reports welcome!).

If your favourite distribution does not include a hsfmodem driver (search for "hsfmodem" or "Conexant"), you can try the one from Linuxant: (14k free as in beer, 56k+Fax license 15$, they explain this policy under: )

The following cards contain this chip:

Lucent / Ambit

The SmartLink driver may work.

The following cards contain this chip:


MWave is a DSP (Digital Signal Processor) technology that has been used in certain IBM ThinkPad's for Audio, Modem or a combination of the two.
A Linux MWave Modem driver can be found in kernel 2.4.11 and later, but only supports the PCI based MWave controller (MDSP3780) found in the following machines:

  • ThinkPad 600 / 600D / 600E
  • ThinkPad 770D / 770ED / 770X / 770Z

In addition to the kernel driver you will need some userland utilities (MWave Manager) that can be found here:

SUSE includes the MWave utilities as part of the 'mwavem' RPM.


The following cards contain a Xircom modem chips: