CNET TECHNOLOGY, INC. CN160A NIC Type ARCnet Transfer Rate 2.5Mbps Data Bus 16-bit ISA Topology Star Wiring Type RG-62/U 93ohm coaxial Boot ROM Available [Image] NODE ADDRESS Node SW2/1 SW2/2 SW2/3 SW2/4 SW2/5 SW2/6 SW2/7 SW2/8 0 - - - - - - - - 1 Off On On On On On On On 2 On Off On On On On On On 3 Off Off On On On On On On 4 On On Off On On On On On 251 Off Off On Off Off Off Off Off 252 On On Off Off Off Off Off Off 253 Off On Off Off Off Off Off Off 254 On Off Off Off Off Off Off Off 255 Off Off Off Off Off Off Off Off 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=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn off the switches and add the values of the off switches to obtain the correct node address. (On=0, off=1) RESPONSE/RECONFIGURATION TIMEOUTS Response Time Reconfiguration Time JP1 JP2 74.7µs 840ms Open Open 283.4µs 1680ms Closed Open 561.8µs 1680ms Open Closed 1118.6µs 1680ms Closed Closed Note: All NICs on the network must have this option set the same. INTERRUPT REQUEST IRQ JP3 JP4 JP5 JP6 JP7 JP8 JP9 JP10 JP11 JP12 JP13 » 2 Open Open Open Open Open Open Open Open Open Open Closed 3 Open Open Open Open Open Closed Open Open Open Open Open 4 Open Open Open Open Open Open Closed Open Open Open Open 5 Open Open Open Open Open Open Open Closed Open Open Open 7 Open Open Open Open Open Open Open Open Open Closed Open 10 Open Open Open Open Closed Open Open Open Open Open Open 11 Open Open Open Closed Open Open Open Open Open Open Open 12 Open Open Closed Open Open Open Open Open Open Open Open 15 Open Closed Open Open Open Open Open Open Open Open Open I/O BASE ADDRESS Address SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 260h Off On On Off Off On 290h Off On Off On On Off » 2E0h Off On Off Off Off On 2F0h Off On Off Off Off Off 300h Off Off On On On On 350h Off Off On Off On Off 380h Off Off Off On On On 3E0h Off Off Off Off Off On BASE MEMORY ADDRESS & BOOT ROM ADDRESS (REV.D, VER: A 05-01-0005-03) Base Address Boot ROM SW1/7 SW1/7 SW1/9 SW1/10 Address C0000h C8000h Off Off On On » D0000h D8000h Off Off On Off E0000h E8000h Off Off Off On BASE MEMORY ADDRESS & BOOT ROM ADDRESSS (VER: A 05-01-0005-04 OR ABOVE) Base Address Boot ROM SW1/7 SW1/8 SW1/9 SW1/10 Address C0000h C2000h On On On On C4000h C6000h On On On Off CC000h CE000h On On Off Off » D0000h D2000h On Off On On D4000h D6000h On Off On Off D8000h DA000h On Off Off On DC000h DE000h On Off Off Off E0000h E2000h Off On On On DIAGNOSTIC LED(S) LED Status Condition LED1 On Link integrity is good LED1 Off Link integrity is broken LED2 On Data is being transmitted or recieved LED2 Off Data is not being transmitted or recieved