Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!aplcen!haven!mimsy!mojo!russotto From: russotto@eng.umd.edu (Matthew T. Russotto) Newsgroups: comp.sys.apple2 Subject: Re: AE 1.6 MB 3.5" drive Message-ID: <1990Nov18.060307.7413@eng.umd.edu> Date: 18 Nov 90 06:03:07 GMT References: <13938@crdgw1.crd.ge.com> Sender: news@eng.umd.edu (The News System) Organization: College of Engineering, Maryversity of Uniland, College Park Lines: 15 In article <13938@crdgw1.crd.ge.com> rankins@argentina.crd.ge.com (raymond r rankins) writes: >Does anyone have an info on the new 1.6MB 3.5 in disk drive from >Applied Engineering? Mostly I'm interested in how they did it. I >thought it wasn't possible to hook a high density drive to the GS >port, something to do with the SmartPort interface chip (or we would >have been able to put Mac 1.44 MB drives on it)? Did they do it with >hardware hacking or a new 3.5 driver? How compatible is it? Maybe they made the SmartPort think it was a REALLY SMALL Profile. Clearly, the drive must be 'smarter' than an Apple FDHD, which expects to see low level info (motor on/off, phase 0,1,2,3,4,??? on/off, read, write) from the disk controller. -- Matthew T. Russotto russotto@eng.umd.edu russotto@wam.umd.edu .sig under construction, like the rest of this campus.