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From: joel@peora.UUCP (Joel Upchurch)
Newsgroups: net.micro.mac
Subject: Re: New Product Idea: external ram disk
Message-ID: <894@peora.UUCP>
Date: Mon, 6-May-85 13:40:19 EDT
Article-I.D.: peora.894
Posted: Mon May  6 13:40:19 1985
Date-Received: Wed, 8-May-85 03:21:04 EDT
References: <1255@eagle.UUCP> <519@wanginst.UUCP> <5044@Shasta.ARPA>
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Organization: Perkin-Elmer SDC, Orlando, Fl.
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> There is one exception - a disk cache. This will cache blocks read into
> memory from disk so that they don't have to be read-in again. For example
> the first time you load the finder, it loads at floppy speeds. The second
> time, it comes in at RAMdisk speeds. This has certain advantages and 
> disadventages to a RAMdisk which is pre-loaded at boot time. It is safe
> to say that a disk cache (such as the turbobuffer) is in the same
> realm as a ramdisk as far as functionality is concerned.
> 
> 						Gus Fernandez

If you look at page 472 of the May Byte you will see an announcement
for a disk cache for the Macintosh called TurboCharger. It appears
to be only intended for Fat Macs and costs $95.