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Results for backfeed
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3
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4
answers
3k
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Raspberry pi-4 powered usb hub backfeed issues
However, I stumbled upon this article -- about poorly made powered USB hub could have backfeed that could cause pi-4 to be stuck on reboot. … This backfeed issue seems to be never advertised and only discussed on raspberry pi forums. …
- 131
2
votes
1
answer
226
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Will there be backfeed problems if I use a powered external HD on RPi 2?
Will there be any issues (eg backfeed) if I also mount the powered ext hd? …
4
votes
1
answer
980
views
USB Power backfeed without Polyfuse mod
I recently got hold of a Lapdock, and was busy trying to make up my own cable adapter to turn it's Micro Male connector into a Mini Female one to make it more generic so that I can use it for anything …
- 513
1
vote
1
answer
544
views
Exteral HDD problems
I have external 4A PSU wich power drive and backfeed rpi. Disk is formatted in NTFS, I added some lines fstab to auto mount it. I distabled power saving options. …
- 11
2
votes
3
answers
1k
views
Switching power source from power bank to mains without interrupt
This would free the microUSB, but it seems to be a bit dangerous (no idea how stable powerbank current is)
Backfeed with powered HUB somehow (as much as dangerous as previous option)? …
- 233
3
votes
2
answers
2k
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Harddrive detected as 13fd:160e Initio Corporation instead of 1058:1010 Western Digital
I have the following configuration:
A Raspberry Pi model B connected to a powered USB hub, with the +5V detached from it (otherwise the hub powers the Pi due to backfeed). …
- 935
1
vote
What's the problem with backfeeding?
I have a pair of A+ units: Type: Model A+, Revision: 1.2, Memory: 256MB, Maker: Sony
These seem to backfeed just fine from my USB hub. I've had them running for sometime without issue. … My model Pi2 in fact does not allow backfeed at all using the same USB hub. …
- 31
1
vote
2
answers
396
views
Can I power a raspberry Pi 4B from a connected powered USB 3 Hub with 2 USB 3 hdd's connected?
I also don't fully understand how the USB backfeed issue works, should I be worried about this in my planned scenario?
Any other concerns that might cause me concern? …
3
votes
Is using a powered hub with the Pi safe
Some hub backfeed power to the Pi.
Either buy a hub that is verified to work, or open the usb cable and snip the 5V line, preventing backfeed. …
- 2,420
11
votes
Accepted
Powering Raspberry Pi and other USB devices through a single USB Hub
If the RPi's led doesn't come on the hub doesn't backfeed. … If the hub does backfeed you can't use this hub with the RPi.
the power supply of the hub is powerful enough: some USB hubs come with a 1 A power supply. …
- 541
1
vote
Accepted
Powered USB Hub Requirements
Backfeed shouldn't harm anything, though your Pi 4 may remain partially on if the powered hub is on.
The hub should be plug-n-play, and the common drivers ship pre-installed. …
- 1,809
5
votes
Powered hubs, backfeeding and safety
Testing for a backfeed is easy:
Unplug all cables from your Raspberry Pi. … If the red led on your Raspberry Pi does not burn there is no backfeed and you're good. If the red led does burn you won't be able to safely power your Raspberry Pi through you USB hub. …
- 541
9
votes
Accepted
What to know about powered USB hub?
You want it to backfeed (power) your RPi by connecting the Hub and RPi through the mini-USB
connector
You want to plug an HDD to your RPi through this USB Hub
You should first read this about backfeeding … I cannot recommend you to backfeed your RPi with your hub, it may not be safe and may lead to failures. …
- 334
4
votes
Powered hubs, backfeeding and safety
In addition, since you can only put a USB cable in one way, you can connect both the frontfeed from your hub, as well as the backfeed without causing a short. …
- 141
0
votes
Accepted
Acrox 2.0 hub, any good for RPi?
The main difference is that some hubs “backfeed” the Raspberry Pi, i.e. power the Pi through its USB connection to the hub, and bypass the voltage protection. …
- 61.5k