Peace, At http://packages.ubuntu.com/ search for libc6-dev. This will lead you to http://packages.ubuntu.com/feisty/libdevel/libc6-dev http://packages.ubuntu.com/feisty/devel/linux-libc-dev After downloading the two packages, install with: $ sudo dpkg -i li*.deb This will complete the linux-header support needed for modem in PCI bus: 00:06.0 Class 0780: 11c1:0449 Communication controller: Agere Systems WinModem 56k Primary PCI_id 11c1:0449 The modem has a Lucent/Agere/LSI Mars or Apollo DSP (digital signal processing) chipset. Support packages for 2.6.n kernels are at: http://phep2.technion.ac.il/linmodems/packages/ltmodem/kernel-2.6/martian/ , with current update martian-full-20071011.tar.gz See AgereDSP.txt for Details. Write back as you need more help. MarvS On Jan 29, 2008 7:12 PM, Peace <correspondenciacentral@xxxxxxxxx> wrote: > Please help this total newb with getting his dialup modem operational > on an aged laptop (IBM 390E with 190 mb Ram) & with the cool Ubuntu > Feisty Fawn 7.04 OS . >