Drive or device, it doesn't matter. As long as it shows up in My Computer that's the main thing!

Your player almost certainly came bundled with software on a CD; have you looked at that?

The drag & drop method suggested by Birdy should work fine, but in my experience you can lose some functionality using this method rather than the player's own software.

The songs will still play fine but you can only create playlists 'on the fly' (rather than importing them), you might not see the files' tags and you might find the music all in one directory rather than being viewable by artist or genre etc.

Regards.