Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!utgpu!water!watmath!clyde!rutgers!ames!ucbcad!ucbvax!hplabs!sdcrdcf!trwrb!cadovax!keithd
From: keithd@cadovax.UUCP
Newsgroups: comp.sys.amiga,comp.sys.ibm.pc
Subject: Re: Reading MacDisks on Amiga
Message-ID: <1542@cadovax.UUCP>
Date: Fri, 15-May-87 21:21:40 EDT
Article-I.D.: cadovax.1542
Posted: Fri May 15 21:21:40 1987
Date-Received: Sun, 17-May-87 01:46:28 EDT
References: <8705080543.AA18112@cory.Berkeley.EDU> <112@l5comp.UUCP> <122@l5comp.UUCP> <18746@sun.uucp>
Reply-To: keithd@cadovax.UUCP (Keith Doyle)
Organization: Contel Business Systems, Torrance, CA
Lines: 16
Xref: utgpu comp.sys.amiga:4572 comp.sys.ibm.pc:3604

In article <18746@sun.uucp> cmcmanis@sun.uucp (Chuck McManis) writes:
>Another note : Most computers like the Atari and IBM use dedicated floppy
>disk controllers that work on a sector by sector basis. These computers
>leave gaps between the sectors to allow for variations in disk speed, and
>before the sector, usually write a 'sync' pattern that locks the controllers
>phase locked loop onto the data stream. Since the Amiga writes entire tracks
>it can eliminate those gaps and use the recoverd space for data. That 
>results in the 'extra' 80K of space/disk or one 512 byte sector/track. 

Anybody have any idea how the new IBM PS/2 line gets 1.4 meg on 3 1/2 inch
floppy?  sounds like 720k a side.


Keith Doyle
#  {ucbvax,ihnp4,decvax}!trwrb!cadovax!keithd
#  cadovax!keithd@ucla-locus.arpa  Contel Business Systems 213-323-8170