[Nut-upsuser] Intel P55 Chipset BUG [usbhid-raw/devices/broken?] [tested 3 different UPS']

Henrique de Moraes Holschuh hmh at hmh.eng.br
Mon Nov 2 13:43:17 UTC 2009

On Sun, 01 Nov 2009, Matthew Dharm wrote:
> On Sun, Nov 01, 2009 at 04:18:40PM -0500, Justin Piszcz wrote:
> > I do not use any hubs in this environment, everything is directly 
> > attached to the motheboard.  Per Matthew (noted below) when I
> > mention hub I am talking about your typical USB hub one would
> > attach to a USB port on the board, not the integrated one on the
> > motherboard.  Everything is directly attached from the motherboard
> > to each respective device.
> > 
> > MOBO -> UPS
> > MOBO -> KBD
> > MOBO -> etc
> Just to be clear, the hub isn't "on the motherboard".  It's actually in the
> P55 silicon itself.  It's not a separate chip or anything; it's part of the
> PCH design.

And, if it is broken, maybe the brokenness is listed in the PCH errata?

  "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

More information about the Nut-upsuser mailing list