Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!wuarchive!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!dsinc!bagate!cbmvax!cbmehq!cbmger!peterk
From: peterk@cbmger.UUCP (Peter Kittel GERMANY)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Compression device
Keywords: GCR trackdisk.device compression
Message-ID: <582@cbmger.UUCP>
Date: 19 Nov 90 17:07:05 GMT
References: <291@geocub.greco-prog.fr> <1990Oct15.120046.15007@ericsson.se> <1990Nov16.215210.23026@daffy.cs.wisc.edu>
Reply-To: peterk@cbmger.UUCP (Peter Kittel GERMANY)
Organization: Commodore Bueromaschinen GmbH, West Germany
Lines: 15

In article <1990Nov16.215210.23026@daffy.cs.wisc.edu> pochron@cat37.cs.wisc.edu (David Pochron) writes:
>
>Why not just write a GCR-trackdisk.device that writes disks in GCR format
>instead of MFM format?  You get twice as much disk space (880*2 = 1.66 megs I
>think - its been a while since I last read the disk drive section in the
>hardware reference manual!) and you only have to live with the fact that reads
>and writes will be twice as slow.

When I remember the manual correct then it states that when using GCR
you have to halve your data throughput, so your factor 2 advantage
disappears.

-- 
Best regards, Dr. Peter Kittel  // E-Mail to  \\  Only my personal opinions... 
Commodore Frankfurt, Germany  \X/ {uunet|pyramid|rutgers}!cbmvax!cbmger!peterk