Questions tagged [usb-hub]

An USB hub is a device that expands a single USB port into multiple ports, thus allowing to connect more devices to a host system. The USB&LAN controller (LAN9512) acts as on on-board USB hub on the Raspberry Pi (except Pi Zero).

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2k views

USB OTG Hub does not recognize devices at boot

I have an OTG hub like this sold for use by a reputable dealer for use with the Pi Zero. However, while it shows up in lsusb as an unidentified device with ID 214b:7000: Bus 001 Device 002: ID 214b:...
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3answers
9k views

What's the problem with backfeeding?

New to the Pi, so new in fact that my very first (a B+) hasn't even arrived in the mail yet... I know that "backfeeding" or "backpowering" refers to powering the Raspberry Pi via a powered USB hub ...
15
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6answers
11k views

Powered USB hub for Pi Zero

I am going to buy the Pi Zero (when they have more in stock... :P) and with only one USB port I need a USB hub to connect my keyboard, mouse, and WiFi dongle. I probably won't be connecting anything ...
2
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3answers
3k views

USB ports stop working after a week, needs restart

I am working on a project that involves Raspberry Pis which run 24/7, periodically fetch data from a server and display it on a screen. We have a problem with the USB ports - they appear to stop ...
5
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4answers
7k views

How to Boot from one usb drive but have multiple drives connected to hub

After searching google, I know you can let a external usb flash drive take over after booting from the SD or microSD card. I want to know what is the easiest way to boot from one usb drive but have ...
3
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2answers
7k views

Realtek RTL8153 Ethernet Doesn't work on Arch Linux

I'm trying to use one of these to boost my networking speed on a Raspberry Pi 2 Model B. Arch Linux ARM correctly detects the USB hub, but fails to detect the Ethernet port. ifconfig does not show ...
1
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1answer
219 views

External powered HDD not listed after boot

I have an hub for HDDs where I have two of them (WD purple 2TB). If the Raspberry is ON and I switch on also the hub, the two HDDs are recognized by the Pi as sda and sdb (listed with sudo fdisk -l). ...
0
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1answer
365 views

Amazon Basics Powered USB Hub not Powering Pi 2

So I bought an Amazon Basics powered USB 3.0 hub for my pi model 2. It works perfectly fine for powering peripherals and data transfer works just fine when my pi is powered off of a separate power ...