Path: utzoo!news-server.csri.toronto.edu!rutgers!usc!samsung!sol.ctr.columbia.edu!bronze!tagreen
From: tagreen@bronze.ucs.indiana.edu (Todd A. Green)
Newsgroups: comp.sys.mac.hardware
Subject: Re: Direct Memory Access
Keywords: DMA SCSI
Message-ID: <1991Mar13.160234.23813@bronze.ucs.indiana.edu>
Date: 13 Mar 91 16:02:34 GMT
References: <1991Mar13.013042.11048@engin.umich.edu>
Organization: Indiana University, Bloomington
Lines: 33

In article <1991Mar13.013042.11048@engin.umich.edu> cerberus@caen.engin.umich.edu (R Eric Bennett) writes:
>
> Are there any plans to put DMA on a Mac.  The lack of DMA severely limits the 
>rate of SCSI transfers on the Mac which really blows when you are interested in
>direct to hard disk digital recording.  If there are no plans, then it looks
>like IBM may enter a field late and kick Apple's butt once again- something I
>think really thinks.
>
>  If anybody knows anything about this, please drop me some e-mail as I can't 
>seem to keep up with any newsgroups lately. 
>
>Thanks,
>Eric Bennett
>
>
>    /---------------------------/ R. Eric Bennett \-----------------------\
>    \ cerberus@caen.engin.umich.edu (unix box ) | "Put a stamp on it!"     \
>     +------------------------------------------|           -Fab 5 Freddy   +
>    / cerberus@itl.itd.umich.edu    (NeXT cube) |           "Yo MTV Raps"  /
>    \---------------------------------------------------------------------/

The IIfx implemented a DMA disk subsystem. So it's already been done.
Though it isn't taken advantage of in 6.0.x.

Todd
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Todd A. Green   "<_CyberWolf_>"  ---> Pascal <- tagreen@ucs.indiana.edu
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