Solved Performance question about USB 3.0 Hubs with USB 2.0 Devices

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October 1, 2014 at 17:34:03
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Hey Everyone,

I recently did a little research about what each of the pins in various data connectors do. What I found out is that (Link) when a USB 2.0 device is connected to a USB 3.0 port, it only uses the D+/D-, whereas when a USB 3.0 device is connected to a USB 3.0 port, it completely ignores the USB 2.0 data terminals and relies solely on TX+/TX- and RX+/RX-.

My question is, do USB 3.0 hubs switch the 2.0 data onto the 3.0 terminals? Or is it that when 1 USB 2.0 device is hooked up it forces all devices to use the 2.0 data terminals, thus severely hurting bandwidth?

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#1
October 1, 2014 at 18:58:28
✔ Best Answer
http://superuser.com/questions/4772...

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