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Date:      Thu,  9 Sep 1999 13:42:53 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        "Kenneth D. Merry" <ken@plutotech.com>
Cc:        cracauer@cons.org (Martin Cracauer), freebsd-alpha@FreeBSD.ORG
Subject:   Re: DEC3000/x00 SCSI controller
Message-ID:  <14295.58576.400259.106914@grasshopper.cs.duke.edu>
In-Reply-To: <199909091647.KAA59176@panzer.kdm.org>
References:  <14295.45030.963851.830444@grasshopper.cs.duke.edu> <199909091647.KAA59176@panzer.kdm.org>

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Kenneth D. Merry writes:
 > Andrew Gallatin wrote...
 > > The esp.c files are still languishing in our source tree
 > > (sys/alpha/tc/esp*) if you care port them to CAM.  It might be
 > > preferable to integrate TC support into the existing PCI amd.c driver,
 > 
 > I'm not sure I follow that...  Do you mean that the NCR 53c94 chips
 > supported by the esp driver and the AMD 53c974 chips supported by the AMD
 > driver have the same interface?

That's the impression that I got from Justin when I talked to him
briefly at USENIX.

They use NCR 53C94 controllers on the 300/400/500 models & NCR
53CF94-2 controllers on the 600/700/800/900 models.

From a *very* brief look through the esp & amd header files, the
interface looks similar.

Drew

------------------------------------------------------------------------------
Andrew Gallatin, Sr Systems Programmer	http://www.cs.duke.edu/~gallatin
Duke University				Email: gallatin@cs.duke.edu
Department of Computer Science		Phone: (919) 660-6590



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