In the kernel doc sections see: file:/usr/share/doc/kernel-doc-2.4.21/usb/ acm.txt
Larry
I installed minicom. It tells me that it can't find /dev/tty1 -- which is correct because there is no /dev/tty1. The device should be ttyACM0, but AFAIK the system doesn't recognize that the USB modem should be driven with the acm module. Harddrake or whatever it's called lists it under unknown devices, and for its module, harddrake has "unknown".
The portable computer does have a Conexant winmodem built-in, but I don't use it and harddrake doesn't see it at all. There are no serial or PCI ports. Just the USB ports. The Zoom Telephonics 2986L Faxmodem was quite literally the only hardmodem that I could find for a USB port.
insmod says /lib/modules/2.4.21-0.25mdk/kernel/drivers/usb/acm.o.gz is installed. When I look under /dev, there is /dev/usb/acm -- but it only contains a single file "-0" with a major number of 166 and a minor number of 0.
Is there some way to tell minicom about the device? I saw stuff in the configuration file for a serial port, but as I mention above, there are no serial or PCI ports on this computer.
Thanks, deedee
Date: Thu, 14 Aug 2003 22:08:22 -0700 From: Larry Sword <[EMAIL PROTECTED]> Subject: Re: [expert] Accessing ACM device -- USB Modem
deedee wrote:
Thanks for responding, Larry. When I type "modprobe acm" it returns me immediately to the prompt without any messages. When I tried "insmod acm", it told me acm was already there.
What kind of program is mincom? I couldn't find it on my CDs, but maybe I have something similar.
A spelling error, should be minicom.
Have you tried loading the module by: "modprobe acm" then using mincom or such program to see if you can talk to the modem?
Larry
deedee wrote:
I have a USB Zoom V90 56K external faxmodem, which is, I believe, device ttyACM0 (that's a zero not a capital o). How do I get Mandrake 9.1 (kernel 2.4.21.-25) to recognize it and use it for dialing out?
Mandrake sees it in the devices list, but calls it an unknown device. The Wizard for setting up the Internet connection does not see it at all, and there appears to be no place for me to give it the correct device name using the Wizard.
When I was trying to identify all my USB devices (I had trouble at that time getting Mandrake to recognize my USB external floppy drive, which I solved), I got back the following information:
hub.c: new USB device 00:08.0-2, assigned address 5
usb.c: USB device 5 (vend/prod 0x803/0x9700) is not claimed by any active
driver.
usb.c: registered new driver acm
ttyACM0: USB ACM device
acm.c: v0.21:USB Abstract Control Model driver for USB modems and ISDN
adapters
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-- Abit VP-6 Dual Pentium III 1GHz Mandrake 9.1 Kernel 2.4.21-0.25mdksmp
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