Hi, Here is the list of usb devices: [root@localhost ~]# lsusb Bus 001 Device 007: ID 05c6:3196 Qualcomm, Inc. CDMA Wireless Modem Bus 001 Device 001: ID 0000:0000 And a list of the kernel modules: [root@localhost ~]# lsmod Module Size Used by ppp_generic 35157 0 slhc 7233 1 ppp_generic cdc_acm 12641 0 nls_utf8 2113 1 autofs4 23237 0 i2c_dev 11329 0 i2c_core 22081 1 i2c_dev ds 17349 4 dm_mod 56405 0 md5 4033 1 ipv6 232833 12 yenta_socket 18881 1 pcmcia_core 60041 2 ds,yenta_socket uhci_hcd 31065 0 snd_es1968 34717 2 snd_ac97_codec 63889 1 snd_es1968 snd_pcm_oss 49017 0 snd_mixer_oss 17985 2 snd_pcm_oss snd_pcm 96841 2 snd_es1968,snd_pcm_oss snd_timer 29893 1 snd_pcm snd_page_alloc 9673 2 snd_es1968,snd_pcm snd_mpu401_uart 8769 1 snd_es1968 snd_rawmidi 26597 1 snd_mpu401_uart snd_seq_device 8137 1 snd_rawmidi snd 55461 11 snd_es1968,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device soundcore 9889 2 snd tulip 45025 0 floppy 58481 0 ext3 116937 1 jbd 71257 1 ext3 I just can't talk with the modem i even tried minicom with no success. Thanks! Fernando Lan?a Sudev Barar wrote: > On 8/11/05, Fernando Lan?a <fernando.lanca@xxxxxxx> wrote: > >>I'm trying to connect a USB CDMA modem (z010) to a CentOS 4.1 >>(kernel 2.6.9-11.EL) and I can't talk to the modem. I tried the >>same modem under Fedora Core 1 (2.4.22-1.2199.nptl) and it works >>like a charm. >> >>The only difference is /dev/ttyACM0 for CentOS and /dev/input/ttyACM0 >>for the Fedora. > > > Correct. > Altough your message log does not show this to be a problem, my CDMA > device was being recognised as HandspringVisor and it worked only when > I added visor to /etc/hotplug/blacklist. Check listing of USB devices > to see if any conflict is happening. > > HTH -- INOV - Servi?o de Redes e Computadores Rua Alves Redol, n? 9 1000-029 Lisboa - Portugal Tel: +351.21.3100275 Fax: +351.21.3100445 Email: fernando.lanca@xxxxxxx WWW: http://www.inov.pt/