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From: Erich Dollansky <erichfreebsdlist@ovitrap.com>
To: freebsd-questions@freebsd.org
Date: Tue, 22 Mar 2011 10:46:25 +0700
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Message-Id: <201103221046.25129.erichfreebsdlist@ovitrap.com>
Cc: xinyou yan <yxy.716@gmail.com>
Subject: Re: Mobile hard disk does not respond
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Hi,

On Tuesday 22 March 2011 10:04:42 xinyou yan wrote:
> I have i mobile hard disk  320g .

this is not of very much help.
> 
> However ,frebsd can't respond to it
> 
> ls  dev/
> 
> have no message  da0  for it

Can you enlight us with information from dmesg and usbconfig?

Maybe with and without the disk plugged in.

FreeBSD does not recognise all USB/AT bridges properly. Maybe, you have bad luck.

Erich