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Article #5751

Re: TT's VME-slots

#5751
From: Dave 'Post No Nicknames' Newton
Date: Thu, 16 Nov 1989 11:36
30 lines
2007 bytes
>To Richard E. Covert and others of your philosophy:
>one card isn't really that bad anymore - we already have enough ports
>built-in, and that was the primary purpose of one of these interface
>cards anyway - for simple i/o.

   Maybe for you, but not for me:  I like to experiment, have some data
collection cards goin' in unison, have a coprocessor doing some crunching.

>Any analog-digital converter SHOULD be designed to plug into a DMA, SCSI
>or some other fast port. This way, it won't be computer specific.
>In general, computer specific hardware addons will be a thing of the past.

   Since when is VME a computer-specific thingy?  Seems to me I've seen a
lot of VME-based computers.
   SCSI-basid things would be okay, until you have more than seven.  DMA
is great too, but after a few daisy-chains, how do ya' do it?  (Don't know
how things are accessed using DMA.)

>I bet that those card slots in the IBMs aren't much faster if they are at
>all).

   Cards in the PC that don't do DMA are clocked at 8MHz on the AT.



-- 
David L. Newton       | uunet!marque!carroll1!dnewton  | The Raging Apostle-- 
(414) 524-7343 (work) |    dnewton@carroll1.cc.edu     | for the future--
(414) 524-6809 (home) | 100 NE Ave, Waukesha WI 53186  | for the world.
"Isn't it fun to take two unrelated sentences and mix the batter lightly?" -me
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uwm.edu!marque!carroll1!dnewton
From: dnewton@carroll1.UUCP (Dave 'Post No Nicknames' Newton)
Newsgroups: comp.sys.atari.st
Subject: Re: TT's VME-slots
Message-ID: <861@carroll1.UUCP>
Date: 16 Nov 89 11:36:37 GMT
References: <CMM.0.88.625285647.cmm1@cunixa.cc.columbia.edu> <1189@cc.helsinki.fi> <2202@hudson.acc.virginia.edu> <4699f8e3.14a1f@force.UUCP> <2207@hudson.acc.virginia.edu> <1741@calvin.cs.mcgill.ca>
Reply-To: dnewton@carroll1.UUCP (Dave 'Post No Nicknames' Newton)
Organization: Organization?  We don't need no steenkin' organization.
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