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From: daveh@cbmvax.commodore.com (Dave Haynie)
Newsgroups: comp.sys.amiga.tech,comp.sys.amiga.hardware
Subject: Re: FAST SCSI controllers
Message-ID: <13956@cbmvax.commodore.com>
Date: 22 Aug 90 20:53:30 GMT
References: <1990Aug20.161300.12419@zip.eecs.umich.edu>
Reply-To: daveh@cbmvax (Dave Haynie)
Distribution: na
Organization: Commodore, West Chester, PA
Lines: 21

In article <1990Aug20.161300.12419@zip.eecs.umich.edu> gilgalad@zip.eecs.umich.edu (Ralph Seguin) writes:
>With all the SCSI controllers that are around, boasting of having
>the best performance, I am surprised that nobody has come out with
>a truly HIGH PERFORMANCE SCSI controller.  How about a controller with
>space for a large cache and other performance improving attributes.

ASDG had a critter like this in prototype form many moons ago.  It has it's
own memory and 68000 (which could manage buffering and even run a custom
filesystem, in theory), DMA, etc.  Only problem was, it would cost much more
than a basic DMA controller.  And when FFS came out, the performance 
difference would have been much less than they were hoping for.

Of course, there's still room for improvement.  Most good controllers are
going about as fast as SCSI will permit these days.  I'd like to see what
you might be able to do with a couple of SCSI drives running in parallel.

>			See ya, Ralph
-- 
Dave Haynie Commodore-Amiga (Amiga 3000) "The Crew That Never Rests"
   {uunet|pyramid|rutgers}!cbmvax!daveh      PLINK: hazy     BIX: hazy
      Get that coffee outta my face, put a Margarita in its place!