Date: Mon, 29 Mar 2004 23:49:50 -0500 From: "Michael E. Mercer" <mmercer@nc.rr.com> To: Wes Peters <wes@softweyr.com> Cc: Julian Elischer <julian@elischer.org> Subject: Re: USB2 device Message-ID: <1080622190.348.5.camel@fast.mmercer.com> In-Reply-To: <200403292044.40825.wes@softweyr.com> References: <Pine.BSF.4.21.0403291600580.29660-100000@InterJet.elischer.org> <1080619808.348.1.camel@fast.mmercer.com> <200403292044.40825.wes@softweyr.com>
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Wes, Thanks for the info. However it works just fine plugged into that hub when running winblows... Any ideas? Thanks Michael On Mon, 2004-03-29 at 23:44, Wes Peters wrote: > On Monday 29 March 2004 20:10, Michael E. Mercer wrote: > > Julian, > > > > It works if I plug it directly into a usb port on my PC. But it does > > not get seen if I plug it into a SIIG SlimHub 2.0. > > > > Any ideas? > > Yeah, look at the power requirements: > > > > jtest# usbdevs -v > > > Controller /dev/usb0: > > > addr 1: low speed, self powered, config 1, UHCI root hub(0x0000), > ^^^^^^^^^^^^ > > > Intel(0x0000), rev 1.00 > > > port 1 powered > > > port 2 addr 2: low speed, self powered, config 1, HP ScanJet > ^^^^^^^^^^^^ > > > 6200C(0x0201), Hewlett-Packard(0x03f0), rev 1.00 > > > Controller /dev/usb1: > > > addr 1: low speed, self powered, config 1, UHCI root hub(0x0000), > ^^^^^^^^^^^^ > > > Intel(0x0000), rev 1.00 > > > port 1 powered > > > port 2 powered > > > Controller /dev/usb2: > > > addr 1: low speed, self powered, config 1, UHCI root hub(0x0000), > ^^^^^^^^^^^^ > > > Intel(0x0000), rev 1.00 > > > port 1 powered > > > port 2 powered > > > Controller /dev/usb3: > > > addr 1: low speed, self powered, config 1, EHCI root hub(0x0000), > ^^^^^^^^^^^^ > > > (0x8086)(0x0000), rev 1.00 > > > port 1 powered > > > port 2 powered > > > port 3 powered > > > port 4 powered > > > port 5 powered > > > port 6 addr 2: low speed, power 200 mA, config 1, JUMPDRIVE > ^^^^^^^^^^^^ > > > PRO(0x0200), LEXAR MEDIA(0x05dc), rev 0.00 > > This has to be plugged into a powered port. On a USB hub, this means the > hub has to have it's own external power supply, typically a wall-wart. > The ports on your computer are typically powered and should be able to > power a 200 mA device with no problem. If this is a tiny hub used with a > laptop, see if you can find one that has a battery bay.
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