The best thing you could do is logon to sonicwalls web site, create yourself an account (using the serial no from the sonicwall), then browse the pdf downloads. From what I remember it has all the information you'll need. This will vary depending on whether or not you're running the standard Firmware OS or the Enhanced version.
CISSP, MCT, MCSE2K/2K3, MCSA, CEH, Security+, Network+, CTT+, A+