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Old 08-08-2003, 04:00 PM   #1
Registered: Jul 2003
Location: Canada
Posts: 214

Rep: Reputation: 31
LT Win Modem Driver

I am having troubles installing the Lucent Winmodem drivers on my RH9 laptop. This modem is the only thing that is preventing me from using Linux for my daily tasks.

I have tried two of the drivers: and

Following the directions in the readme.txt, I unzip it and do ./ltinst . But it says it cannot find ltmodem.o This I cannot understand, when I unzip it does put ltmodem.o in the directory!

If anyone has managed to get the LT Winmodem working under RH9 and would like to help me out, I would really appreciate it.

Otherwise, if anyone has gotten the LT Winmodem working under another distro with a driver, could you enlighten me onto which distro and version you are using and also the driver you used. I am willing to go to an distro just to get this cursed modem working! Thanks in advance.
Old 08-08-2003, 04:23 PM   #2
Registered: Jul 2003
Location: Dallas, TX
Distribution: Ubuntu 10.04 LTS
Posts: 987

Rep: Reputation: 30
not to burst your bubble or anything but if at all possible, find an external serial modem for your laptop (assuming of course it has serial ports)

i have tried for weeks to no avail with my lucent winmodem, it's too much hassle and not worth the trouble, there are some decent external modems for under 40 bucks
Old 08-08-2003, 09:42 PM   #3
Registered: Mar 2003
Location: Dry, Dusty and Conservative
Distribution: OpenBSD, Debian Wheezy/Jessie
Posts: 449

Rep: Reputation: 33
If you have done it before it takes about 15 minutes to install the LT modem drivers.

Where it gets complicated in redhat is that the modem must match the kernel and cpu architecture that you are presently using. That is why the linux LTmodem site has so many redhat rpm drivers.

If you have compiled a custom kernel the easy way around this is to install the ltmodem from source (the ltmodem-8.29a.tar.gz). Actually installing the ltmodem from source will always match your working kernel. The maintainers of the ltmodem website have made install scripts that will do everything for you (./build-modules ltinst2 and an autoload that edits your modules.conf)

If you use one of the redhat rpms look at the FAQ on the LTmodem page. uname -r will give the the kernel version and another command will give you the cpu architecture.

Put another way if you use the rpms and your kernel is a 386 kernel you must use the ltmodem rpm for a 386, even if your cpu is really an athlon.

Given the install scripts with source I recommend using the ltmodem* tar.gz program and following the directions


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