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From: Roger.Sheppard@actrix.gen.nz (Roger Sheppard)
Newsgroups: comp.sys.atari.st.tech
Subject: Re: 1024-byte floppy sectors?
Message-ID: <1991Jun20.111657.5952@actrix.gen.nz>
Date: 20 Jun 91 11:16:57 GMT
References: <3251@krafla.rhi.hi.is> <2964@atari.UUCP>
Organization: Actrix Networks
Lines: 30

In article <2964@atari.UUCP> apratt@atari.UUCP (Allan Pratt) writes:
> adamd@rhi.hi.is (Adam David) writes:
> >TOS uses a BPB to handle various media specifications. The floppy driver /
> >filing system must use 1024-byte cluster buffers for the standard format.
> >Why should it not be possible with standard TOS to use 1024-byte clusters
> >of one sector each? What modifications do I need to make to TOS in order to
> >use the larger sectors with it?
> 
> >Any thoughts / suggestions welcome.
> 
> You are mistaken in your belief that TOS keeps cluster buffers around. It
> doesn't.  It keeps SECTOR buffers around.  The floppy BIOS assumes sectors
> are 512 bytes long.  GEMDOS does not, and hard-disk partitions larger than
> 16MB are implemented using large logical sectors (but not large physical
  ^^^^
Correct me if I am wrong, but should this not read 32MB ?, I thought
that this was a typo that caused this problem and was fixed in TOS 1.4

> ============================================
> Opinions expressed above do not necessarily	-- Allan Pratt, Atari Corp.
> reflect those of Atari Corp. or anyone else.	  ...ames!atari!apratt





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