Subject: Re: sdXX matching wrong
To: Brett Lymn <blymn@baea.com.au>
From: Jon Lindgren <jlindgren@espus.com>
List: current-users
Date: 04/10/2000 10:55:40
On Tue, 11 Apr 2000, Brett Lymn wrote:
> According to Simon Burge:
> >
> >Just to throw a spanner in the works (you did say "normally" - here's
> >an exception!), the DECstation 2100 and 3100 can quite happily use ID
> >7 because for some unknown reason DEC chose ID 6 for the host. Go
> >figure...
> >
>
> Urrrg which means you could have a device that has a higher priority
> than the controller? I dunno how the devices 8->15 are priority wise
> on a wide controller but with a narrow bus the highest numbered id
> wins in an arbitration phase.
8 is the lowest priority, with 15 being the highest. 0 is
higher than 15, so the priorities would be (from lowest to
highest) 8,9,10,11,12,13,14,15,0,1,2,3,4,5,6,7.
-Jon
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