Re: [reiserfs-dev] Re: IDE problem: linux-2.5.17

Vojtech Pavlik
2002-05-24T13:15:57Z

On Fri, May 24, 2002 at 01:03:26PM +0200, Martin Dalecki wrote:
> Użytkownik Vojtech Pavlik napisał:
>
> >
> >>Hmm thinking again about it... It occurrs to me
> >>that actually there should be a mechanism which tells the
> >>host chip drivers whatever there are only just one or
> >>two drivers connected. I will have to look in to it.
> >
> >
> > There is no such mechanism (except for probing the drives). IDE has
> > quite nonsensical "split" termination - the termination resistors are
> > always present even on the middle device. This is to "simplify" things
> > ...
> >
>
> Yes there is the host chip timer setting is basically
> changing the termination properties on the hsot chips part
> of the connection. This is the reason I was thinking
> that making the driver for it know how many drivers
> are attached to it could make some sense.

Hmm, interesting. Is it on all chips or just some? I don't know about
anything like that on Intel, VIA, nVidia, AMD, SiS and Artop controllers ...

--
Vojtech Pavlik
SuSE Labs