hdb1 mount probs- works fine in root, carn't access in user

[/Knoppix/Knewbie/]

hi,

not sure what to do really, when i log in as root, i can access my seperate hard drive by mount,
but when im in user mode, i dont seem to be able to access it, even if i go in to the shell and log in as root.
any ideas to help a knewbie..

cheers : )