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Old 07-29-2003, 01:31 AM   #1
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REDHAT 8 & Compaq Armada E500 & Modem

Hi, I have a redhat 8 on Compaq Armada E500, which has an internal build in lucent modem... I have kernel 2-4-18-14 and installed the corresponding ltmodem drivers .. But how can I get Redhat to recognize the modem. When I launch Internet Config. Wizard and let it probe for a modem, it doesn't find one.. Any help ???????

Old 07-29-2003, 01:21 PM   #2
Brain Drop
Registered: Feb 2003
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this is what i found at

The internal modem is a 56K Lucent Winmodem. The chip is detected (look for it in /proc/pci). Drivers can be found at The installation is very easy and works for kernel 2.2 as well as 2.4. The modules will be compiled for your current kernel during the installation, so you need to reinstall (i.e., recompile) the modules when you update the kernel. I've made a little (source) rpm which I can send you if you are interested.
Load the modem modules with "modprobe lt_serial". For 2.2 and PPP, you need to modprobe the slhc and ppp modules (if you don't have it compiled into the kernel). For 2.4., you need also PPP support for asynchronous serial ports compiled into the kernel. If you have it as module, just use "modprobe ppp_async" to enable PPP support.
Then you can use e.g. wvdialconf to autodetect and setup the modem and PPP connections. That works without any problems.
If you use the kernel sound module, the modem does not make any sound. Jake Hawkes had success in using the ALSA drivers, but I could not reproduce his success so far. There is a sound patch for kernel 2.4, take a look at the sound section.

Last edited by Brain Drop; 07-29-2003 at 01:22 PM.
Old 08-04-2003, 02:42 AM   #3
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Ltmodem continued


I've kernel 2-4-18-14

So I installed ltmodem-kv_2.4.18_14-8.26a9-1.i686

then ran /usr/bin/wvdialconf create

It detected it on /dev/ttyLT0

Then went into Internet Configuration, let it probe for the modem. It says No modem found on your system..

Then I added it manually ; set modem to /dev/ttyLT0 and saved it

Activated it, via the activate button, but it says, cannot activate network device ppp0

Any ideas pls ?



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