On Fri, Feb 28, 2014 at 8:05 PM, Bakul Shah <[email protected]> wrote: > >> When mouse+keyboard is connected, it shows this: >> >> ... >> #u/usb/ep1.0: dwcotg: port 0x0 irq 9 >> #l0: usb: 100Mbps port 0x0 irq -1: 000000000..00 >> 496M memory: 101M kernel data, 395M user, 1877M swap >> usb/hub... usb/ether... >> etherusb smsc: ... >> usb/kb... >> >> and it hangs. >> >> When I connect only the keyboard, it goes past this screen, but I >> can't read it, it was too fast for me to read. > > This seems like a power problem. If you're using the USB port of a computer > to power the RasPi, it is not going to provide enough current. Use a supply > that can provide an amp or more such as an apple iPhone charger (or a powered > USB hub). Check out the FAQ and newbie forums at the raspberrypi site. This > is also why you should try bringing up raspbian first.
Thank you Bakul. I am downloading Raspbian distro now. I guess USB hosts need not provide more than 100mA is it is not enumerated (and 500mA once enumerated). I will try my cell phone charger with RPi + Rasbian. -- Ramakrishnan
