Re: Check for USB connections
L.V.Gandhi wrote:
> On 3/18/07, Kevin Mark <kevin.mark@verizon.net> wrote:
>>
>> On Sun, Mar 18, 2007 at 01:44:28PM -0300, Alejandro wrote:
>> > Matthew K Poer wrote:
>> > >On Sun, 2007-03-18 at 12:55 -0300, Alejandro wrote:
>> > >
>> > >>Dear all, I have Debian Etch connected to a HP printer through an USB
>> > >>port but it is not recognized. A pair of months ago the printer
>> worked
>> > >>perfectly, and I could see it using "lsusb" command. After that I
>> > >>disconnect the printer and now I connect it again to my Debian, but
>> > >>
>> > >>
>> > >Try a differant USB port? Perhaps the one you are using is broken.
>> > >
>> > Both USB ports don't respond....I have installed "udev" and not
>> > "hotplug"....is this correct in Debian Etch in order to recognize USB
>> > devices ???
>> >
>> > Really thanks
>> if the required usb kernel modules are localed, lsusb should show all
>> the usb devices, even if they are not configured to work. So maybe its
>> the cable?
>>
>
> Is it possible to find out which port is usb1.1 which is usb 2.0? If so
> how?
Here is one way:
~$ sudo lsusb -v | grep bcdUSB
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