Modem help

max maximilianbianco at
Sat Feb 23 01:03:11 UTC 2008

Sean Bruno wrote:
> On Fri, 2008-02-22 at 18:29 -0500, max wrote:
>> Sean Bruno wrote:
>>> On Fri, 2008-02-22 at 17:40 -0500, max wrote:
>>>> Sean Bruno wrote:
>>>>>>         > --
>>>>>>         Can you post the output of lspci -vv for your modem please?
>>>>>>         Sean
>>>>>>         -
>>>>>> Here you go and  thanks for the help.
>>>>>> 01:09.0 Communication controller: Conexant HCF 56k Data/Fax Modem (rev
>>>>>> 08)
>>>>>>     Subsystem: Aztech System Ltd Dell Mercury - MDP3880-U(B) Data Fax
>>>>>> Modem
>>>>>>     Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
>>>>>> ParErr- Stepping- SERR- FastB2B- DisINTx-
>>>>>>     Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
>>>>>> <TAbort- <MAbort- >SERR- <PERR- INTx-
>>>>>>     Latency: 32
>>>>>>     Interrupt: pin A routed to IRQ 11
>>>>>>     Region 0: Memory at ea000000 (32-bit, non-prefetchable) [size=64K]
>>>>>>     Region 1: I/O ports at 9000 [size=8]
>>>>>>     Capabilities: [40] Power Management version 2
>>>>>>         Flags: PMEClk- DSI+ D1- D2- AuxCurrent=55mA PME(D0
>>>>>> +,D1-,D2-,D3hot+,D3cold-)
>>>>>>         Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>>>>>> Thanks,
>>>>>> Max
>>>>> Isn't this one of those s/w modems?  I think you will need to buy the
>>>>> "conextant" drivers or use the NDIS wrapper with the windows driver.
>>>> I didn't think it was but you maybe right. I read that a great many 
>>>> conextant modems were compatible which is why I went with that modem. I 
>>>> will have to double check to make sure this one is hardware modem, can 
>>>> you tell by looking at the board?what would i look for? Would 
>>>> ndiswrapper give me all the functionality i need here? I have a somewhat 
>>>> large collection of internal modems at my disposal. Does anyone know of 
>>>> an internal modem that is compatible with linux? It doesn't have to be 
>>>> red hat based linux , though that is my preference. I appreciate the help.
>>>> Max
>>> I think that the easiest way to tell is to visually inspect the board.
>>> The ones that have a large amount of components, in my experience, are
>>> h/w modems.
>>> Also, if you put the modem into your box and you can see a TTY appear in
>>> the boot dmesg(dmesg|grep -i tty), then linux has recognized and
>>> assigned it to a serial interface and you should be good to go.
>>> Sean
>> My modem is recognized. It is a different card than before.
>>   $dmesg | grep -i tty
>> console [tty0] enabled
>> serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>> serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
>> 00:05: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>> then :
>>   $wvdialconf  /etc/wvdial.conf
>> Editing `/etc/wvdial.conf'.
>> Scanning your serial ports for a modem.
>> ttyS0<Info>: Device or resource busy
>> Modem Port Scan<*1>: S0
>> ttyS1<Info>: Device or resource busy
>> Modem Port Scan<*1>: S1
>> ttyS2<Info>: Device or resource busy
>> Modem Port Scan<*1>: S2
>> ttyS3<Info>: Device or resource busy
>> Modem Port Scan<*1>: S3
>> Sorry, no modem was detected!  Is it in use by another program?
>> Did you configure it properly with setserial?
>> This is where i got stuck before. I am not using setserial properly. I 
>> can execute the command but i am assigning the wrong values i think but 
>> my syntax is ok or I would get an error from bash. One thing,at least, 
>> is clear, i do not understand the setserial command or what to set the 
>> values to.
>> Thanks,
>> Max
> I see two serial ports, does your machine have two physical serial
> ports.  Are they conflicting with your modem perchance?
> Sean
I have one serial port on the back of my computer. The usual assortment 
of audio jacks , Firewire, ps2 ports, and parallel port.

Is the fact that both serial ports show 'serial8250' significant? Is 
that the same device on both ports?

More information about the fedora-list mailing list