Message-ID:	<20000702121109.21287.qmail@nwcst288.netaddress.usa.net>
Date:	2 Jul 00 06:11:09 MDT
From:	Joseph Morris <b52g AT usa DOT net>
To:	opendos AT delorie DOT com
Subject:	Of large disks (Was Re: Fw: PTS-DOS)
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Bernie <bernie AT hem DOT passagen DOT se> wrote:

> I only tested it on my 10.1G HD (FAT16) to see if it could see it all
> (it's supposed to be able to do that as well) but only the primary
> parition was seen (atleast MS-DOS 6.x can see up to the 8.4G limit).
> I wonder if they know what they are doing...

Is your system set up properly to see the rest of the disk?
In order for this to work, you need to have a type 0F extended
partition, which can extend out beyond 8.4GB.

This partition type can only be read by Windows 95, Linux, or
a regular DOS with a special driver.  If you got an Ontrack disk
with your HDD, it should have ontrackd.sys on it.  If not, you
can 'borrow' it from the demo version of Ontrack EasyRecovery
which you can download from their web site.
Be warned, it seems to cause GO32-based applications to freeze.  Fortunately
these are rare now, and it hasn't had any other side-effects.

The main problem is that you need some monster FDISK to partition
the thing, it needs to support LBA, otherwise it won't work, and it
will trash the partition table if you run it after the partitions are set up
correctly.  I use the Linux fdisk myself, and I printed out the
spec of the partition tables so I can rebuild them if necessary.

The free-dos fdisk is supposed to be able to do this, but I never seem
to have it around when I need to do partitioning, which isn't often, so
I haven't tried it yet. (www.freedos.org)


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