On Thu, Jul 04, 2002 at 01:34:42PM -0400, Chuck Robey wrote:
> >> The K7 had a broken on-board usb (the AMD
> >> chipset had a PCI contention bug for the usb port, so the tin back panel
> >> of the board blocked out the usb, and the K7 came with a PCI usb card,
> >> which ate up one of your PCI slots.
> >
> > Hmmmmm.....  Do you have any details on this?  I've had occasional strange
> > USB-related things happen on this box.  Of course, it runs -current which
> > puts me into the USB danger-zone enough as it is.. but what happens when
> > this bug is triggered?
> http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/24472.pdf

This is good to know.  The above doc is for the AMD-768 Peripheral Bus
Controller.  Luckly the pre-production Thunder K7 mobos had AMD-766's in
them.  I don't know if Tyan switched to the 768 in later production.

In HTML format:

Is the revision guide for the AMD-766 south bridge.
There are 2 USB nits, but nothing serious like for the AMD-768 rev B1.

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