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No USB Power (ROCK64+ARMBIAN 5.7)
#1
Question 
Armbianmonitor:
http://ix.io/1DAn


Hello, can someone help me with my problem.

I have a ROCK64 with 4GB of RAM and an ARMBIAN 5.75 stable Ubuntu 18.04.2 LTS 4.4.174-rockchip64, installed.
My issue come with usb ports, from the three USB of the this device only works two: one 2.0 and 3.0. And when i have a disk connected towards usb 3.0 i have issues with port usb 2.0, it doesn't work well and I end up disconnecting the USB 3.0 to can work with my device connected towards USB 2.0 so I assume that the current power on the USB port is having issues or it's not working well.

Anybody an idea?
 
thanks!
Reply
#2
Typical power supply issues. You can either try a different power supply to rule this in or out or use a meter to measure the current draw on the power supply when all USB ports are in use.
Reply
#3
(03-15-2019, 07:36 AM)Rocklobster Wrote: Typical power supply issues. You can either try a different power supply to rule this in or out or use a meter to measure the current draw on the power supply when all USB ports are in use.

any other options or ideas?
is there any way to check current power of each usb from OS?
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