USB physical ports

Polytropon freebsd at
Fri Sep 11 12:32:29 UTC 2015

On Thu, 10 Sep 2015 19:48:27 -0400, Ernie Luzar wrote:
> Are you saying that no mater which of the 6 USB physical ports I plug 
> into with a 2.0 standard mem drive will transfer at 480Mbps?

Yes, the speed is determined by the hub ("the controller")
and will be usable on all ports corresponding to that hub.

> How can I confirm 480Mbps transfer rate.

Use dd to transfer a file, or use the Midnight Commander
which will show you the average transfer speed. Make sure
you use a big file so you can actually _see_ something. ;-)

Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...

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