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Date:      Fri, 16 Jun 2000 23:49:16 +0200
From:      Wilko Bulte <wkb@chello.nl>
To:        Alec Wolman <wolman@cs.washington.edu>
Cc:        wc.bulte@chello.nl, =?iso-8859-1?Q?G=E9rard_Roudier?= <groudier@club-internet.fr>, freebsd-alpha@FreeBSD.ORG
Subject:   Re: does the sym driver work with the xp1000 pci scsi controller?
Message-ID:  <20000616234916.A13766@freebie.wbnet>
In-Reply-To: <200006162131.OAA45980@miles.cs.washington.edu>; from wolman@cs.washington.edu on Fri, Jun 16, 2000 at 02:31:37PM -0700
References:  <wkb@chello.nl> <200006162131.OAA45980@miles.cs.washington.edu>

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On Fri, Jun 16, 2000 at 02:31:37PM -0700, Alec Wolman wrote:
> 
> > 4.0R HARDWARE.TXT? The only thing that I wrote in there that faintly appears
> > relevant is:
> > 
> > "Expansion:
> > Don't try to use NCR/Symbios-chip based SCSI adapters in the PCI slots
> > connected to hose 1. There is a not-yet-found FreeBSD bug that prevents this
> > from working correctly. Not all VGA cards will work behind the PCI-PCI
> > bridge (so in slots 4 & 5). Only cards that implement VGA-legacy adressing
> > correctly will work. Workaround is to put the VGA card 'before' the bridge."
> > 
> > Where does it say the 83C895 does not work? It says that there are problems
> > with NCR/Symbios based cards *ON HOSE 1*. Not that they don't work at all.
> 
> My XP1000 came with all its disks attached to the Symbios PCI card, not
> the Qlogic motherboard controller.  I'm sorry, but it was the "connected
> to hose 1" phrase that I mis-interpreted.  I have no idea what a hose is,
> so I figured that must be the PCI slot it comes in.

OK, I understand that. A hose != PCI slot. A hose is DEC/CPQ speak for an
high speed I/O channel to (e.g) a PCI bus controller. The PCI bus controller
drives a number of PCI slots.

I will write a clarification around this in HARDWARE.TXT 

cheers,

-- 
Wilko Bulte  	 	http://www.freebsd.org  "Do, or do not. There is no try"
wilko@freebsd.org	http://www.nlfug.nl	- Yoda - The Empire Strikes Back


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