Subject: Re: Agere AMR modem driver (seems that it's now supported in Linux)
From: Jacques Goldberg <goldberg@phep2.technion.ac.il>
Date: Sun, 10 Oct 2004 15:50:28 +0200 (IST)


   Konstantin,

   I reply in detail because your note is automatically stored in our
archive. My reply is intended for readers of your note whom it may
confuse.

   Would you please CONFIRM that your modem based on a Lucent 1646 (aka
11c1:0448 pcid), works with the SmartLink driver? Of course, it DOES work
with the Ltmodem driver found at http://www.heby.de/ltmodem

  The modem with which you played:
> The modem I played with has vendor id 0x8086 (Intel) and dev. id 0x24C6
> (Chip No.: "82801DB", Chip desc.: "AC97 Modem Controller").
  seems to me to definitely be something else than the Lucent 1646 DPS
modem..

  At http://www.heby.de/ltmodem I can read:
 On this page you'll find Linux driver (sources, binary packages) and
documentation for so called Winmodems with Lucent Apollo (ISA) and Mars
(PCI) chipsets. Lucent AMR modems are not supported by this driver

  The Lucent 1646 is a DSP modem of the Mars family.
  The one which you played with is an AMR modem, perhaps coming from
Lucent.

  Not being supported by the DSP ltmodem driver is not the same as not
being supported AT ALL.

  We recommend all users who want to ask questions or raise issues on this
forum to pick up the scanModem utility from
http://linmodems.technion.ac.il  and include the file ModemData.txt in
their post to the discussion list.

  If you would just do it, and read ModemData.txt yourself, you would see
that scanModem WILL NOT suggest you to use the ltmodem driver (aka
www.heby.de/ltmodem) and WILL suggest you to TRY the SmartLink driver.

  Finally, contrarily to what you may believe, the SmartLink driver works
with SOME modems made with the MODEM chip very poorly identified by you
as:
> vendor id 0x8086 (Intel) and dev. id 0x24C6
> (Chip No.: "82801DB", Chip desc.: "AC97 Modem Controller"
  but FAR FROM ALL.
  Mind you, the two lines above reproduced  from your post do not even
suggest that the modem which you played with indeed uses a Lucent chip.
  See http://www.intel.com/design/chipsets/datashts/290744.htm for details
on chip 82801DB.
  ModemData.txt lists a number of manufacturers whose modem chips are a
component of an Intel 0x8086:0x24c6 larger chip which includes a modem.
Agere is in the list, along with several others however.

  Careful reading of ModemData.txt will explain more.

  To summarize, I believe that your mail creates some unnecessary
confusion about Linux support for Lucent chipsets.

                                                      Jacques

On Sat, 9 Oct 2004, Konstantin Khomoutov wrote:

> Hi!
>
> I own a Lucent Winmodem based on 1646 chip which has its drivers
> hosted at http://www.heby.de/ltmodem.
>
> Recently I faced the problem of making the modem in subject
> to work under Linux (on Compaq Presario X1000 laptop).
> The page mentioned saysthat there's definitely no support for
> Lucent/Arege AMR softmodems in Linux but it turns out that it /is/
> (at least for some kind of such modems).
>
> The modem I played with has vendor id 0x8086 (Intel) and dev. id 0x24C6
> (Chip No.: "82801DB", Chip desc.: "AC97 Modem Controller").
>
> A reference to this driver I've found at
> http://www.modemsite.com/56k/lucentamr.asp
> and it points to the SmartLink's Linux driver for such modems.
> The actual link is
> http://www.smlink.com/main/index1.php?ln=en&main_id=32
>
> The driver works pretty well.
> So, I think maintainers of pages related to Lucent/Arege softmodems
> should update their info...
>

                                Jacques.Goldberg@cern.ch
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