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

Martin Dalecki (dalecki@evision-ventures.com)
Fri, 24 May 2002 13:03:26 +0200


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.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/