D-LINK DA-120 NIC Type ARCnet Transfer Rate 2.5Mbps Data Bus 8-bit ISA Topology Linear Bus Wiring Type Unshielded twisted pair Boot ROM Available [Image] NODE ADDRESS Node SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 SW1/7 SW1/8 0 - - - - - - - - 1 Off Off Off Off Off Off Off On 2 Off Off Off Off Off Off On Off 3 Off Off Off Off Off Off On On 4 Off Off Off Off Off On Off Off 251 On On On On On Off On On 252 On On On On On On Off Off 253 On On On On On On Off On 254 On On On On On On On Off 255 On On On On On On On On Note:Node address 0 is used for messaging between nodes and must not be used. A total of 255 node address settings are available. The switches are a binary representation of the decimal node addresses. Switch 1 is the Least Significant Bit and switch 8 is the Most Significant Bit. The switches have the following decimal values: switch 1=128, 2=64, 3=32, 4=16, 5=8, 6=4, 7=2, 8=1. Turn on the switches and add the values of the on switches to obtain the correct node address. (On=1, Off=0) INTERRUPT REQUEST IRQ JP1A JP1B JP1C JP1D JP1E 2 Closed Open Open Open Open 3 Open Closed Open Open Open 4 Open Open Closed Open Open 5 Open Open Open Closed Open 7 Open Open Open Open Closed I/O BASE ADDRESS Address JP2A JP2B JP2C 260h PIns 2 & 3 PIns 2 & 3 PIns 2 & 3 closed closed closed 290h PIns 2 & 3 PIns 2 & 3 Pins 1 & 2 closed closed closed » 2E0h PIns 2 & 3 Pins 1 & 2 PIns 2 & 3 closed closed closed 300h Pins 1 & 2 PIns 2 & 3 PIns 2 & 3 closed closed closed 350h Pins 1 & 2 PIns 2 & 3 Pins 1 & 2 closed closed closed 380h Pins 1 & 2 Pins 1 & 2 PIns 2 & 3 closed closed closed 3E0h Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed RESPONSE TIMEOUTS Response Time JP4A JP4B » 78µs Pins 1 & 2 closed PIns 1 & 2 closed 285µs Pins 1 & 2 closed PIns 2 & 3 closed 563µs PIns 2 & 3 closed PIns 1 & 2 closed 1130µs PIns 2 & 3 closed PIns 2 & 3 closed Note:All NICs on the network segment must have this option set the same. BOOT ROM Setting JP5 » Disabled Pins 2 & 3 closed Enabled PIns 1 & 2 closed BASE MEMORY ADDRESS & BOOT ROM ADDRESS Base Boot ROM JP3A JP3B JP3C JP3D JP3E C0000h C2000h Pins 2 Pins 2 Pins 2 Pins 2 Pins 2 & 3 & 3 & 3 & 3 & 3 C0800h C2000h Pins 1 Pins 2 Pins 2 Pins 2 Pins 2 & 2 & 3 & 3 & 3 & 3 C1000h C2000h Pins 2 Pins 1 Pins 2 Pins 2 Pins 2 & 3 & 2 & 3 & 3 & 3 C1800h C2000h Pins 1 Pins 1 Pins 2 Pins 2 Pins 2 & 2 & 2 & 3 & 3 & 3 C4000h C6000h Pins 2 Pins 2 Pins 1 Pins 2 Pins 2 & 3 & 3 & 2 & 3 & 3 C4800h C6000h Pins 1 Pins 2 Pins 1 Pins 2 Pins 2 & 2 & 3 & 2 & 3 & 3 C5000h C6000h Pins 2 Pins 1 Pins 1 Pins 2 Pins 2 & 3 & 2 & 2 & 3 & 3 C5800h C6000h Pins 1 Pins 1 Pins 1 Pins 2 Pins 2 & 2 & 2 & 2 & 3 & 3 CC000h CE000h Pins 2 Pins 2 Pins 2 Pins 1 Pins 2 & 3 & 3 & 3 & 2 & 3 CC800h CE000h Pins 1 Pins 2 Pins 2 Pins 1 Pins 2 & 2 & 3 & 3 & 2 & 3 CD000h CE000h Pins 2 Pins 1 Pins 2 Pins 1 Pins 2 & 3 & 2 & 3 & 2 & 3 CD800h CE000h Pins 1 Pins 1 Pins 2 Pins 1 Pins 2 & 2 & 2 & 3 & 2 & 3 » D0000h D2000h Pins 2 Pins 2 Pins 1 Pins 1 Pins 2 & 3 & 3 & 2 & 2 & 3 D0800h D2000h Pins 1 Pins 2 Pins 1 Pins 1 Pins 2 & 2 & 3 & 2 & 2 & 3 D1000h D2000h Pins 2 Pins 1 Pins 1 Pins 1 Pins 2 & 3 & 2 & 2 & 2 & 3 D1800h D2000h Pins 1 Pins 1 Pins 1 Pins 1 Pins 2 & 2 & 2 & 2 & 2 & 3 D4000h D6000h Pins 2 Pins 2 Pins 2 Pins 2 Pins 1 & 3 & 3 & 3 & 3 & 2 D4800h D6000h Pins 1 Pins 2 Pins 2 Pins 2 Pins 1 & 2 & 3 & 3 & 3 & 2 D5000h D6000h Pins 2 Pins 1 Pins 2 Pins 2 Pins 1 & 3 & 2 & 3 & 3 & 2 D5800h D6000h Pins 1 Pins 1 Pins 2 Pins 2 Pins 1 & 2 & 2 & 3 & 3 & 2 D8000h DA000h Pins 2 Pins 2 Pins 1 Pins 2 Pins 1 & 3 & 3 & 2 & 3 & 2 D8800h DA000h Pins 1 Pins 2 Pins 1 Pins 2 Pins 1 & 2 & 3 & 2 & 3 & 2 D9000h DA000h Pins 2 Pins 1 Pins 1 Pins 2 Pins 1 & 3 & 2 & 2 & 3 & 2 D9800h DA000h Pins 1 Pins 1 Pins 1 Pins 2 Pins 1 & 2 & 2 & 2 & 3 & 2 DC000h DE000h Pins 2 Pins 2 Pins 2 Pins 1 Pins 1 & 3 & 3 & 3 & 2 & 2 DC800h DE000h Pins 1 Pins 2 Pins 2 Pins 1 Pins 1 & 2 & 3 & 3 & 2 & 2 DD000h DE000h Pins 2 Pins 1 Pins 2 Pins 1 Pins 1 & 3 & 2 & 3 & 2 & 2 DD800h DE000h Pins 1 Pins 1 Pins 2 Pins 1 Pins 1 & 2 & 2 & 3 & 2 & 2 E0000h E2000h Pins 2 Pins 2 Pins 1 Pins 1 Pins 1 & 3 & 3 & 2 & 2 & 2 E0800h E2000h Pins 1 Pins 2 Pins 1 Pins 1 Pins 1 & 2 & 3 & 2 & 2 & 2 E1000h E2000h Pins 2 Pins 1 Pins 1 Pins 1 Pins 1 & 3 & 2 & 2 & 2 & 2 E1800h E2000h Pins 1 Pins 1 Pins 1 Pins 1 Pins 1 & 2 & 2 & 2 & 2 & 2 Note:Pins designated should be in the closed position.