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232 lines
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<TITLE>The Answer Gang 63: State of the Art in softmodems</TITLE>
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<H1><A NAME="answer">
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<img src="../../gx/dennis/qbubble.gif" alt="(?)"
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border="0" align="middle">
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<font color="#B03060">The Answer Gang</font>
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<img src="../../gx/dennis/bbubble.gif" alt="(!)"
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</A></H1>
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<BR>
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<H4>By Jim Dennis, Ben Okopnik, Dan Wilder, the Editors of <em>Linux Gazette</em>...
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and You!
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<br>Send questions (or interesting answers) to
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<a href="mailto:linux-questions-only@ssc.com">linux-questions-only@ssc.com</a>
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</H4>
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<H3 align="left"><img src="../../gx/dennis/qbubble.gif"
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height="50" width="60" alt="(?) " border="0"
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>State of the Art in softmodems</H3>
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<H4 ALIGN="center">winmodem(tm), HSP, ACP, DSP, whatever. Just call my ISP already</H4>
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<p><strong>From Marcelo Henrique Gonalves
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</strong></p>
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<p align="right"><strong>Answered By Heather Stern
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<br></strong></p>
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<!-- sig -->
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<!-- ::
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State of the Art in softmodems
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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winmodem(tm), HSP, ACP, DSP, whatever. Just call my ISP already
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:: -->
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<P><STRONG>
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Hi
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I have a PCTel HSP Micromodem 56! Yes! Onboard
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<IMG SRC="../../gx/dennis/smily.gif" ALT=":]"
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height="24" width="20" align="middle">
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</STRONG></P>
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<P><STRONG>
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This modem is compatible with Conectiva Linux, in the site of conectiva
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says "no" and yours too!
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<IMG SRC="../../gx/dennis/smily.gif" ALT=":]"
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height="24" width="20" align="middle">
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</STRONG></P>
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<P><STRONG>
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But can i configure my modem anyway! If a download a rpm or other file?!?!
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<br>Thankx
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</STRONG></P>
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<P><STRONG>
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by
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<br>BM
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<br>OS PIRATA!!!
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</STRONG></P>
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<BLOCKQUOTE><IMG SRC="../../gx/dennis/bbub.gif" ALT="(!)"
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HEIGHT="28" WIDTH="50" BORDER="0"
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> [Heather]
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HSP means "Host Signal Processing" and that means the host, your computer,
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has to do all the work. It's a software driven modem.
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</BLOCKQUOTE>
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<BLOCKQUOTE>
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There used to be only two of these kind of modems with any hope for them
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whatsoever, in both cases very tricky because vendors had created binary
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drivers and orphaned them. The only way you can get <EM>more</EM> unsupported than
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that is to not have drivers at all.
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</BLOCKQUOTE>
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<BLOCKQUOTE>
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(Can someome out there please spin up a new buzzword for "software released
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on the basis that you get no tech support" so we can go back to using
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"unsupported" for meaning "doesn't work" ?)
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</BLOCKQUOTE>
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<BLOCKQUOTE>
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Normally for software-modems or controllerless modems (what's the difference?
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which chip out of three is missing. <EM>sigh</EM>) we of the Answer Gang simply point
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querents at the Linmodems site (<A HREF="http://www.linmodems.org"
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>http://www.linmodems.org</A>) and shake our shaggy
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heads. It's a lot of work to go through just to use a modem that borrows so
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much CPU effort and buckles just when the dataflow gets good anyway.
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</BLOCKQUOTE>
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<BLOCKQUOTE>
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However, I've been watching and it looks like the number of types that can
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work (whether "supported" or not) has grown to four.
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</BLOCKQUOTE>
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<BLOCKQUOTE>
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I'll start with yours first because that's what you need. PCTel was one of
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the early ones to let a driver sneak out, maintained by PCCHIPS. <A HREF="http://linux.corel.com/">Corel</A> made
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a .deb of their driver for 2.2.16, and some unknown hero named Sean turned
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that into a .tgz and has also got available an extra site for Thomas Wright's
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effort toward the same chipset... a driver for 2.4
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<IMG SRC="../../gx/dennis/smily.gif" ALT=":)"
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height="24" width="20" align="middle">
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</BLOCKQUOTE>
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<BLOCKQUOTE><DL><DT>
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Sean's site:
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<DD><A HREF="http://walbran.org/sean/linux/stodolsk"
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>http://walbran.org/sean/linux/stodolsk</A>
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</DL></BLOCKQUOTE>
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<BLOCKQUOTE><DL><DT>
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Download point for Thomas' 2.4 PCTel driver:
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<DD><A HREF="http://www.geocities.com/tom_in_rc/pctel"
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>http://www.geocities.com/tom_in_rc/pctel</A>
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</DL></BLOCKQUOTE>
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<BLOCKQUOTE>
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Hopefully that does it for you!
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</BLOCKQUOTE>
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<BLOCKQUOTE>
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Now as for good news for everyone else
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<IMG SRC="../../gx/dennis/smily.gif" ALT=":)"
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height="24" width="20" align="middle">
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</BLOCKQUOTE>
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<BLOCKQUOTE>
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Anyone using Lucent controllerless modems. will also want to take a look at
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Sean's site, because he keeps a decent listing of useful scripts and kernel
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parts that you'll find handy.
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</BLOCKQUOTE>
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<BLOCKQUOTE>For those who prefer code built completely from scratch, Richard's
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LTmodem diagnostic tool moved up to version 0.9.9 ... it can now
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answer the phone, and handle voice grade work, so you can use it
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for mgetty setup (where you want to be able to dial straight home)
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but I think it still isn't good for ppp. Anyone's welccome to let
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us and the linmodem crowd know if you get ppp working with it:
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</BLOCKQUOTE>
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<BLOCKQUOTE><DL><DT>
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Richard's LTModem Page
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<DD><A HREF="http://www.close.u-net.com/ltmodem.html"
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>http://www.close.u-net.com/ltmodem.html</A>
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</DL></BLOCKQUOTE>
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<BLOCKQUOTE><DL><DT>
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IBM has a project they're calling "Mauve":
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<DD><A HREF="http://oss.software.ibm.com/developer/opensource/linux/projects/mwave"
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>http://oss.software.ibm.com/developer/opensource/linux/projects/mwave</A>
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</DL></BLOCKQUOTE>
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<BLOCKQUOTE>
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...which is a driver for the ACP modem found in the IBM Thinkpad 600E. They
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say they are working on some licensing issues, but plan to release the source
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for it as soon as they can. Meanwhile, they have updated it at least once,
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so we know they're fixing bugs.
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</BLOCKQUOTE>
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<BLOCKQUOTE>
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And lastly, Mikhail Moreyra wrote a driver for the Ambient Tech chipset...
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that's a DSP-based modem that used to be from Cirrus Logic, just in case
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one of you gentle readers has an older box. In theory this may work for
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your software-driven modem if it claims to be a "sound card modem" since
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that's what the DSP chip really is. Linmodems only points to his tgz but
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don't worry, it's source code
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<IMG SRC="../../gx/dennis/smily.gif" ALT=":)"
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height="24" width="20" align="middle"> However, it's not exactly a speedy modem
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even once you use the driver, since he's only gotten 14.4, v.34 (32 Kbps)
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and v.8 working so far.
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</BLOCKQUOTE>
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<BLOCKQUOTE>
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To the rest of you, sorry. Maybe you should go out and buy a solid external
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modem with its very own power supply and line-noise reduction features, or
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a Cardbus modem that isn't afraid to use a little real estate to offer a
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complete-chipset modem.
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</BLOCKQUOTE>
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<!-- sig -->
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<!-- end 20 -->
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<!--startcut ======================================================= -->
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<!-- *** BEGIN copyright *** -->
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<H5 align="center">This page edited and maintained by the Editors
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of <I>Linux Gazette</I>
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<a href="http://www.linuxgazette.com/copying.html"
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>Copyright ©</a> 2001
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<BR>Published in issue 63 of <I>Linux Gazette</I> February Extra 2001</H5>
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<H6 ALIGN="center">HTML script maintained by
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<A HREF="mailto:star@starshine.org">Heather Stern</a> of
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Starshine Technical Services,
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<A HREF="http://www.starshine.org/">http://www.starshine.org/</A>
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</H6>
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