<HTML ><HEAD ><TITLE >HCF chipset based modems</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="Conexant/Rockwell modem HOWTO" HREF="index.html"><LINK REL="PREVIOUS" TITLE="Identifying your modem type" HREF="getting-started.html"><LINK REL="NEXT" TITLE="HSF" HREF="hsf.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Conexant/Rockwell modem HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="getting-started.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="hsf.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="HCF">4. HCF chipset based modems</H1 ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="HCF-HISTORY">4.1. History</H2 ><P > Unfortunately at the present time there is no HCF modem driver for linux. Conexant have indicated in section 11 of their FAQ (<A HREF="http://www.conexant.com:80/cnxt/customer/md_faqs.htm" TARGET="_top" ><I CLASS="CITETITLE" >http://www.conexant.com:80/cnxt/customer/md_faqs.htm</I ></A >) that they are currently developing one. </P ><P > Several people have reported that they have got a HCF modem (in particular chipsets with the device ID of 1025) to work under Linux by using the HSF driver, however little firm information is known about this. If you successfully manage to use an HCF modem under linux please contact me to tell me about it. </P ><P > One person has reported that if you get the "No Dialtone" error when trying to use a HSF driver with a HCF modem you can correct it by using the AT command "AT S7=45 S0=0 L1 V1 X4 &c1 E1 Q0". </P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="MISC-HCF">4.2. Miscellaneous information</H2 ><P > If you wish to embark on writing your own driver you might find the following files useful, </P ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT >Information on how to edit the INF file</DT ><DD ><P > <A HREF="http://users.freenet.am/~hcfconf/advdocs/country.zip" TARGET="_top" ><I CLASS="CITETITLE" >http://users.freenet.am/~hcfconf/advdocs/country.zip</I ></A > </P ></DD ><DT >Modem command guide</DT ><DD ><P > <A HREF="http://users.freenet.am/~hcfconf/advdocs/100498C.zip" TARGET="_top" ><I CLASS="CITETITLE" >http://users.freenet.am/~hcfconf/advdocs/100498C.zip</I ></A > </P ></DD ><DT >Designers notes and specifications</DT ><DD ><P > <A HREF="http://www.unitronic.de/Hersteller/conexant/Modem.htm" TARGET="_top" ><I CLASS="CITETITLE" >http://www.unitronic.de/Hersteller/conexant/Modem.htm </I > </A ></P ></DD ></DL ></DIV ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="getting-started.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="hsf.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Identifying your modem type</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >HSF</TD ></TR ></TABLE ></DIV ></BODY ></HTML >