As far as the mount_msdos man page in OpenBSD 4.6 I misread the first paragraph under CAVEATS where it said file size and thought I saw partition size (based on the old FAT12?/FAT16 standards back from the DOS (2GB)/pre-Windows 95 (2GB)/Windows NT 4 (4GB) (and prior) days), my apology for the error on my part.

Bryan wrote:
On Mon, Dec 21, 2009 at 19:23, David Shuman <[email protected]> wrote:
Question there are reports that OpenBSD handles FAT32
yet the mount_msdos command seems to indicate only
FAT partitions of one byte less than 4GB are supported.
Is the documentation up to date and was I lucky because
my msdos partition was an empty partition (of around
55GB) so I was inside the first 4GB?

You are mistaken...

http://en.wikipedia.org/wiki/File_Allocation_Table

Is the documentation
out of date or am I attempting an unsupported operation?


The largest a single file can be is one byte less than 4GB.  FAT32
drives can be up to 8TB with 32KB clusters or 2TB with 512 byte
clusters.

I have successfully done a

mount_msdos -l B /dev/wd0k B /windows/data

I then wrote a test file and copied a file into the mounted
msdos partition. B (I have since both read and checked
the partition from windows and it seems to be valid)

Can anyone assist me in translating this to the appropriate
entry in the /etc/fstab file, if it is appropriate for OpenBSD?
( I would like RW access)

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