Date: Thu, 21 Jul 2011 19:06:00 -0400 From: Mehmet Erol Sanliturk <m.e.sanliturk@gmail.com> To: Aleksandr Rybalko <ray@ddteam.net> Cc: freebsd-usb@freebsd.org Subject: Re: Off-Topic: question about usb-hub power Message-ID: <CAOgwaMvVxjm6bRypnfxk7jaT0NAW7C%2BLM2PbHHbxVZnJ7===1A@mail.gmail.com> In-Reply-To: <20110722000354.86fb223b.ray@ddteam.net> References: <4E280986.8020701@uffe.org> <CAOgwaMt9pKNujjiUHhoutBHstLKqCuo=xqNUV24hzyC6t8s1hg@mail.gmail.com> <4E282DCE.2070403@uffe.org> <CAOgwaMtOHXHGWreAG%2BZaNZtkUX6twR5C7%2BCHJpfxTiTSV00Uyg@mail.gmail.com> <20110722000354.86fb223b.ray@ddteam.net>
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On Thu, Jul 21, 2011 at 5:03 PM, Aleksandr Rybalko <ray@ddteam.net> wrote: > Hi, > > I don't know which chip used in your D-Link hub Uffe, but I believe > this one made with respect of standard. > > Uffe, can You do simple test with your device: > 1. connect your device to active PC and check if it charging. > 2. put your PC in StandBy or PowerOff mode(don't remove power cord), > reattach your device and also check if device still charging. > > In both cases most devices will continue charging, but some "smart" > device in second case disable charging. (my Sony PRS-600) > > I was trying to charge my PRS with power supply with USB connector, and > reader don't start charging. So charging can start only after some > interaction between USB host and device. > > > ... > WBW > -- > Aleksandr Rybalko <ray@ddteam.net> > There is another kind of devices which it is very likely that some of them can be found in any local computer store : USB AC Chargers : A few sample pages would be : http://jingshuo888.en.made-in-china.com/product/doLQBGEUHIWS/China-2-Port-USB-AC-Charger-JS-ACN037-.html http://www.eforcity.com/universal-usb-travel-charger-adaptor-dothusbtcad1.html http://www.overstock.com/Electronics/AC-USB-Power-Adapter-Charger/2453811/product.html Thank you very much . Mehmet Erol Sanliturk
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