Tommy Persson wrote: > Tommy Persson <tpe at ida.liu.se> writes: > > >> I am trying to connect a Huawei E220 modem (HSDPA) to my N810. It >> worked directly on my debian unstable machine. I have tried to compile >> some additional modules like usbserial and use them but it does not >> seem to work. Does anybody know if it is possible to get this to work >> just compiling som extra modules or do I have to build a new image? >> > > I can report that by connecting the modem to a powered hub I got it to > work by just insmod usbserial. I managed to create a ppp connection > also so it works in principle. Now i just have to figure out how to > configure it so it become convenient to use. > > But the power thing was irritating. The modem has two USB connections > and one is only for power. So I connected an USB-battery that can give > 700 mA to the power connection and still the N810 said that there was > not enough power and failed to start things properly. I wonder if this > just is a problem with power requirement detection. Can you disable > this detection? I suspect that the modem does not see that it is > connected to a battery and therefore reports that it needs a lot of > power. > > > From the brief spec I read on wikipedia today (because until today I had never heard of it), the second cord is only for power, but the first is for data+power and does in fact need power, but shouldn't require 500mW on the primary. This is all based on not much research, so I might be entirely wrong. On the disabling of power detection, I believe that is a setting in the kernel (and so not easy to disable, intentionally), at least if it parallels the ?collie? zaurus - there was a discussion in the angstrom listserv a few weeks ago on it. Rgds, Josh
