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Date:      Fri, 20 Nov 2009 11:06:03 -0800 (PST)
From:      James Phillips <>
Subject:   Re: 7.2, usb mouse, uhub0: device problem (IOERROR),
Message-ID:  <>
In-Reply-To: <>

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=0A=0A> Date: Fri, 20 Nov 2009 01:18:10 -0800 (PST)=0A> From: Mark Terribil=
e <>=0A> Subject: 7.2, usb mouse, uhub0: device proble=
m (IOERROR),=0A> disabling=0A> =A0=A0=A0 port 3=0A> To: freebsd-questions@f=> Message-ID: <>=
=0A> Content-Type: text/plain; charset=3Dus-ascii=0A> =0A> Hi,=0A> =0A> I j=
ust put 7.2 on an Asus P5N7A-VM motherboard (running=0A> with a Core II Qua=
d 2.33).=A0 This motherboard has a PS/2=0A> connector for the keyboard but =
not for the mouse.=A0 When=0A> I plug a USB mouse in, or connect a PS/2 mou=
se through an=0A> appropriate green adaptor (PS/2 mouse/USB) I get the=0A> =
following error on the console and in /var/log/messages:=0A> =0A> Nov 17 15=
:35:11 silver kernel: uhub0: device problem=0A> (IOERROR), disabling port 3=
=0A> =0A=0AYou can't just use a PS/2 -> USB adapter on *any* mouse; you nee=
d a "dual protocol" mouse. It sound like your mouse may be old enough that =
it only supports a PS/2 -> RS-232 (9 pin serial) adapter. Your board may ha=
ve a header to allow the easy installation of a serial port, but I have not=
 checked (and serial mice may not be auto-magically configured).=0A=0ALast =
time I was looking for a mouse, I could not find a PS/2 version. I was relu=
ctant to get a USB mouse because none of them are USB Certified (http://www= Many of them also had a "Side-scrolling" scroll wheel (designed =
with Vista in mind?) very awkward to use as a middle button.=0A=0AIf you mo=
use IS a "USB" mouse, try a different one.=0A=0ARegards,=0A=0AJames Phillip=
s=0A=0A=0A=0A      ________________________________________________________=
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