I'd say just install the "samba-common" and "samba" debian packages and try to run samba as you would on a "normal" Linux system. I don't think the samba server needs any special support from the kernel (as opposed to the client, which needs smbfs).

Then again, it might need something which is not in the Empeg kernel (maybe IPC), but I'm afraid I can't experiment with anything right now: I think my Empeg's hard disk cable died :-(

Regards
Amit