2007/1/31, Jon Smirl <jonsmirl at gmail.com>: > > On 1/31/07, Luca Donaggio <donaggio at gmail.com> wrote: > > Does anybody tried to use a USB keyboard (attached to a modified USB hub > for > > power injection, of course) with the N800 in USB host mode? > > It doesn't work for me, keybord led doesn't even light up! > > There is no power supplied to the USB port. The only way to make it > work is to plug a powered hub into the port and then plug the keyboard > into the hub. > > I consider this a significant design flaw in the N800/770. It would > really be nice if there was a small amount of power supplied to the > USB port, just enough to run a keyboard or memory stick. Less than > 100ma at 5V. Sure it will draw the batteries down but that is the > price you pay. If you have the N800/770 on wall power the USB port > should supply power all of the time. > > No power is also tied up in implementing the kernel USB OTG driver for > the device. The spec says you can't advertise OTG support if the port > has no power. > > -- > Jon Smirl > jonsmirl at gmail.com > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.maemo.org/pipermail/maemo-users/attachments/20070131/84d2851d/attachment.htm
