On Thu, Mar 08, 2001, Rafael R. Sevilla <[EMAIL PROTECTED]> wrote:
> On Wed, 7 Mar 2001, Massimo Pinto wrote:
>
> > **** Rafael R. Sevilla wrote:
> >
> > RRS >Why are you trying to load the OHCI module? Does your system have an OHCI
> > RRS >USB controller? To the best of my knowledge, most commodity PC's only
> > RRS >have UHCI controllers, OHCI's being common only on Macs and a few notebook
> > RRS >pc's. Obviously trying to load this module when you have the other kind
> > RRS >of USB bridge will kill you.
>
> I've made a slight mistake here. UHCI controllers are available on most
> motherboards with Intel chipsets, while OHCI can be found on most
> non-Intel systems such as Macs and other board makers such as SiS, ALI,
> et. al.
>
> > Hi Rafael. When I upgraded my Red Hat distribution to Red Hat 7.0, which
> > included a kernel 2.2.16-22, at my next re-boot I was asked whether I
> > wanted to configure the new hardware found: namely the USB controller. I
> > said yes, and I found out later that the ohci module had been loaded. I am
> > not sure now whether this is indicating that my controller is a ohci type,
> > although the dmesg output that I include below indicates this.
>
> Use lspci to show all the devices Linux detects on your system. If you
> see a USB Controller made by Intel, you have a UHCI controller. If you
> see a controller made by anyone else, most likely it's OHCI.
A big exception is VIA. They also make UHCI controllers. lspci will
generally tell you what programming interface it uses.
JE
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