Start a terminal and execute the following commands.
# Report partitions on hard disk
sudo fdisk -l
# Report mounted disk partitions
mount | grep hd
The lines with # are comments and not needed.
The other lines be copied and pasted into the terminal.
Please copy and paste the results of running the commands into a reply to this message. I can tell you exactly what you have when I see the results.
Does anyone know how I can share files between win xp and Ubuntu without creating a seperate home partition. xp is installed on my master hd and ubuntu on my slave.