[ltp] Re: is my usb controller dead?

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Fri, 28 Apr 2006 09:34:25 -0300


On Fri, 28 Apr 2006, come se fosse antani wrote:
> On 4/27/06, Henrique de Moraes Holschuh <hmh@debian.org> wrote:
> > On Wed, 26 Apr 2006, Andreas Ntaflos wrote:
> > > How could attaching a cable (an open conduct) fry the USB controller, or
> > > anything for that matter? Makes no real sense to me, but I'll refrain
> >
> > Static charges in the cable could do that easily if the port is not well
> > protected, especially if this cable is of the sort which would let static
> > charge built on your hands reach the USB port.
> 
> there is no way to make some "DIY" workaround?

Yes, there is.  But it requires some electrical engineering work which is
not exactly trivial, as you must not get the resulting electrical
characteristics outside of the allowed for USB 2.0.

The easiest way to fix this is to have a powered, known-protected HUB or
dock I suppose.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh