Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!cs.utexas.edu!uwm.edu!rpi!brazil
From: brazil@pawl.rpi.edu (Timothy E. Onders)
Newsgroups: comp.sys.atari.st
Subject: Re: 16 meg partition limit
Message-ID: <8%90M%@rpi.edu>
Date: 13 Feb 90 04:50:15 GMT
References: <2947@water.waterloo.edu> <1325@crash.cts.com> <20465@watdragon.waterloo.edu> <1990Feb6.223637.15845@sj.ate.slb.com>
Organization: Rensselaer Polytechnic Institute, Troy NY
Lines: 28

In article <1990Feb6.223637.15845@sj.ate.slb.com> greg@sj.ate.slb.com (Greg Wageman) writes:
>
>What Atari has changed, I believe, is to treat the "recno" parameter
>as an UNSIGNED int, with a range of 0 to 65535, and consequently a
>32Mb limit.  However, any software which calls Rwabs() to directly

Actually, the logical sector size was also increased to 1024 bytes, along
with some other modifications.  Maximum partition size is now 1024 Megs,
or 1 gig.  I'm presently running off of a 40 meg partition, and I wouldn't
go back for anything.

>access the hard disk (such as disk checkers might do) must understand
>this convention, or else they will get confused by the (apparently)
>negative sector numbers (i.e. any in the second 16 Meg with the
>high-order bit set).

The big problem now is that the program may not be able to deal with the
1024 byte logical sectors, since most just assume 512 byte sectors.  The
physical sectors, however, are still 512 bytes.

>get about 4 Meg of stuff in a partition, the old Dfree()/FAT search
>bug rears up, and file creation takes nearly forever.  It is, however,
>a good motivation to get Rainbow TOS.
>
Never seen this problem, even though I've still got 1.2. Hmmm.

				-Tim Onders
				brazil@pawl.rpi.edu