Factory default settings
NAT/Route mode
Port 1 interface 192.168.1.99
Port 2 interface 192.168.100.99
Port 4 interface 10.10.10.1
Transparent mode
Management IP 10.10.10.1
Administrative account settings
User name admin
Password (none)
QuickStart Guide
http://docs.fortinet.com/fgt/archives/qsg/01-28005-0103-20050525_FortiGate-500A_QuickStart_Guide.pdf