On 22 May 2015 at 18:27, Andrew Z <[log in to unmask]> wrote:
> Konstantin,
> This is exactly what i was looking for - how to identify if I have usb3 wo
> taking the box apart.
>

Do you have ports that are blue? Are there ports which are labeled SS.
If you have neither (like this Thinkpad t540p) all you can do is plug
in a USB 3.0 device and see if you get USB-3.0 speeds.


> On May 22, 2015 8:21 PM, "Konstantin Olchanski" <[log in to unmask]> wrote:
>>
>> On Fri, May 22, 2015 at 11:37:24AM -0400, Andrew Z wrote:
>> > Gents,
>> >  does this system have USB 3 ?
>> > [code]
>> > [root@server ~]# lsusb
>> > Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>>
>> You have a USB3 root hub, but whether you have working USB3 ports,
>> it depends. Simplest is to look at mobo specs, the mobo
>> info can usually be extracted from the output of "dmidecode".
>>
>> Then you need to check possible errata - back in early USB2 days,
>> mobos with some AMD chipsets had USB2 hardware that did not work.
>>
>> Now in early USB3 days I have some mobos that need special linux
>> kernel command line switches to make USB2 work (or to make USB3 work,
>> I forget which).
>>
>> --
>> Konstantin Olchanski
>> Data Acquisition Systems: The Bytes Must Flow!
>> Email: olchansk-at-triumf-dot-ca
>> Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada



-- 
Stephen J Smoogen.