I normally use knoppix version 3.9 live cd on various machines I use. I have no problem finding the mount point of ide hard disks usually in /mnt. If I cat the file /etc/fstab sata hard disk is never there. I have experienced similar problems with ubuntu 7.1 even when installed.

by Ronny Osure

If you use the command 'mount' with no arguments you will see what filesystems are mounted and where they are mounted.

what does the command `mount` output?
what does the command `fdisk -l` output?

Sorry for taking too long to mark this thread as solved. 'fdisk -l' does the magic. Thanks DimaYasny!