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<H2><A NAME="s3">3. Installing a modem driver</A></H2>
<P>You have not to read this section entirely; just read one matching with your modem. For the moment, it just describes how to install a LT Modem, using the Lucent and OpenSource driver. If you have written or used an other Winmodem driver, Open or Closed Source, you can email me (alexandre12@mageos.com), and I will include it in this section.
<P>
<P>
<H2><A NAME="ss3.1">3.1 ltmodem 5.78</A>
</H2>
<P>URL: http://www.tux.org/pub/dclug/marvin/ltmodem-5.78e.tar.gz
<P>Author: Lucent
<P>License: Non-GPL
<P>Supports: ISA/PCI modem, with a Lucent chipset (Mars family)
<P>Features: Kernel module; simulate a serial port. Does PPP, Fax and Voice
<P>Current Version: 5.78e
<P>Documentation: README-1ST
<P>Requires: 2.2.x or 2.4.x; ISA PNP Support; Loadable module support; C Compiler
<P>How-to-use: Read README-1ST. It is very clear.
<P>Problems:
<P>
<UL>
<LI>Unresolved symbols: xxx_isapnp_xxxx: run modprobe isapnp.</LI>
<LI>Device or ressource busy: your modem is not compliant with the driver</LI>
</UL>
Comments: Lucent, this time, avoid kernel version and distribution problems by providing the source for some elements.
<P>
<H2><A NAME="ss3.2">3.2 The LT WinModem (from Lucent) 5.68 (OBSOLETE)</A>
</H2>
<P>URL: http://www.linmodems.org/linux568.zip
<P>Author: Lucent Technologies
<P>License: Non-GPL
<P>Supports: ISA/PCI modems, with a Lucent chipset (Mars family)
<P>Features: Kernel module; simulate a serial port. Does PPP, Fax and Voice
<P>Current version (as far as I know): 5.68
<P>Documentation: README
<P>Requires: A 2.2.12 or higher RedHat kernel; loadable module support
<P>How-to-use: Unzip the package ('unzip linux568.zip'), and run ./ltinst. That's all !
<P>Problems:
<P>
<UL>
<LI><P>
</LI>
<LI>'insmod: ltmodem: Unresolved symbol(s) *****': You have not a kernel matching with ltmodem. Get the 2.2.12 kernel from ftp.kernel.org, compile and install it</LI>
<LI>'Warning: kernel version mismatch...": It is simply because ou have not the 2.2.12-20 kernel. It's only a warning, and it doesn't make the modem failing</LI>
<LI>'ltmodem: init_module: device or resource busy':
<UL>
<LI>You have no lt modem or compliant installed</LI>
<LI>If you have a ISA modem, it is not configured by isapnp</LI>
<LI>If you have a PCI modem, the PCI support in the kernel was not configured</LI>
</UL>
</LI>
</UL>
<P>
<H2><A NAME="ss3.3">3.3 The LTMODEM program (OpenSource driver)</A>
</H2>
<P>URL: http://www.close.u-net.com
<P>Authors: Richard Close and Pavel Machek
<P>License: GPL
<P>Supports: ISA/PCI modems, with Lucent chipsets (Mars family)
<P>Feature: User-space driver; does Voice calls; does not PPP (V90)
<P>Current version (as far as I know): 0.99
<P>Documentation: README
<P>Requires: GNU C Compiler, automake
<P>How-to-use:
<P>
<UL>
<LI><P>
</LI>
<LI>PCI: make ; make install - Then use the 'ltmodem' program to communicate with the modem</LI>
<LI>ISA: (read the README.ISA file) mv Makefile Makefile.PCI ; mv Makefile.ISA Makefile ; edit config.h and change for the correct values for your modem (I/O Address, DMA, IRQ) ; make ; make install - The use 'ltmodem' program to communicate with the modem. <P>
</LI>
</UL>
Problems:
<P>
<UL>
<LI>"Sorry, I can't found any modem...": <P>
<UL>
<LI>You have not LT modem</LI>
<LI>You have an ISA modem not configured by isapnp</LI>
<LI>You have an ISA modem configured ; but ltmodem was not compiled as ISA</LI>
<LI>You have a PCI modem with no PCI support included in the kernel</LI>
<LI>You have a PCI modem and a compliant kernel, but ltmodem was not compiled as PCI</LI>
</UL>
</LI>
</UL>
<P>
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