V1.0 D-Link original.
V1.01 TFTP Upgrade ability was added
V1.02 fix data interrupt issue.
V1.03 fix RFC 1483 routed mode
interconnection and management ip issue
v1.04 Routed mode RIP disabled
v1.05 Added IGMP fast leave feature
v1.08 Reset Utopia when low traffic happens bug fixed