Subject: Re: Better support for Acorn SCSI card
To: Kjetil B. Thomassen <kjetil@thomassen.priv.no>
From: Ignatios Souvatzis <ignatios@cs.uni-bonn.de>
List: port-arm32
Date: 01/21/1999 20:48:56
On Thu, Jan 21, 1999 at 07:54:28PM +0000, Kjetil B. Thomassen wrote:
> I have a couple of Acorn SCSI cards that I have used with NetBSD/arm32,
> but the performance hasn't been very good.
> 
> Now, an interesting thing I noticed on:
> http://www.no.netbsd.org/Ports/mvme68k/index.html
> 
> The SCSI controller chip used in this port is the same chip as used
> on the Acorn SCSI cards (WD33C93).
> 
> Also, I believe that the WD 7000FASST use the same controller chip.
> At least my ATXT FASST does (too bad it is not supported by NetBSD).

wd7000: not really.

the host cpu talks via messages to a microcontroller on the card. the 33c93 is
completely hidden.
	-is