Path: utzoo!attcan!uunet!tut.cis.ohio-state.edu!ucbvax!gnh-applesauce.cts.com!scottr
From: scottr@gnh-applesauce.cts.com (Scott Rothstein)
Newsgroups: comp.sys.apple2
Subject: Re: RAMFast SCSI
Message-ID: <0093E7CE5CB966C0.00000111@dcs.simpact.com>
Date: 21 Oct 90 03:08:25 GMT
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X-Unparsable-Date: Sat Oct 20 90 at 15:54:11 (EDT)

Apple's DMA SCSI simply transfers the accessed data directly to RAM, hence the
speed (and the Direct Memory Access name). The RAMfast does this, plus
1)  has its own 10 MHz processor
2)  a lookahead cache that stores the next 7 bytes
3) a 256K cache
scottr@applesauce.bb.ny