I guess you did not read the manual. USB port can deliver 500mA. Sounds like during your power down you corrupted the eMMC.
My suggestion would be to re-flash the eMMC. Gerald On Thu, Sep 24, 2015 at 5:46 PM, <[email protected]> wrote: > I was attempting to get my BBB to recognize my USRobotics USB modem. It > showed up when I entered lsusb, and went through the set serial commands > for it to recognize it, but it would not show up as a tty device, after > having it connected for about 2 hours, I did another reboot, and the board > no longer responded. Only the power light would light up, but none of the > others. After doing a bit of research, I believe I ended up overdriving the > current through the USB port. The BBB specs say 100mA is provided, but the > modem apparently uses between 230-350mA. I guess I should have used a > powered USB hub. Now I guess I'm kind of out of luck. I'm just a bit > confused why enough power was supplied by the BBB to power on the modem > rather than it being under powered and staying off (like when I try to hook > it up to my RPi boards). > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Gerald [email protected] http://beagleboard.org/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
