D-Link DIR-803 User Manual page 53

Section 3 - Configuration
NetBIOS Node This field indicates how network hosts are to perform NetBIOS name registration and discovery. Select the type of NetBIOS Node:
Type: Broadcast only, Point-to-Point, Mixed-mode, or Hybrid. This setting has no effect if the Learn NetBIOS from WAN option is enabled.
WINS IP Enter your Primary and Secondary WINS Server IP Address(es).
Address:
D-Link DIR-803 User Manual 48