[ltp] USB port colors, nonfunctional port on X220
Tue, 20 Sep 2011 13:39:23 -0700
Blue is a standard color to tell you when a port is usb 2 or better
since usb 1 and 2 look the same.
On Tue, Sep 20, 2011 at 9:33 AM, Rubin Abdi <firstname.lastname@example.org> wrote:
> I have an X220 i7 with USB 3.0. My machine has three ports, black,
> yellow, blue. The yellow port seems to be USB 3.0, as it's got the extra
> female ports. What do the colors exactly mean, as I thought blue was USB
> 3.0 and yellow simply means power over USB while asleep?
> Additionally plugging anything into the blue port gives zero response in
> dmesg. :(