COMPEX, INC. ANET-1A NIC Type ARCnet Transfer Rate 2.5Mbps Data Bus 8-bit ISA Topology Star Linear Bus Wiring Type RG-62A/U 93ohm coaxial 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 8 is the Least Significant Bit and switch 1 is the Most Significant Bit. The switches have the following decimal values: switch 8=1, 7=2, 6=4, 5=8, 4=16, 3=32, 2=64, 1=128. 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 » 2/9 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 Closed Closed Closed 290h Closed Closed Open » 2E0h Closed Open Closed 2F0h Closed Open Open 300h Open Closed Closed 350h Open Closed Open 380h Open Open Closed 3E0h Open Open Open BASE MEMORY ADDRESS & BOOT ROM ADDRESS Base Boot ROM JP3A JP3B JP3C JP3D JP3E Address Address C0000h C2000h Closed Closed Closed Closed Closed C4000h C6000h Closed Closed Open Closed Closed CC000h CE000h Closed Open Closed Closed Closed » D0000h D2000h Closed Open Open Closed Closed D4000h D6000h Open Closed Closed Closed Closed D8000h DA000h Open Closed Open Closed Closed DC000h DE000h Open Open Closed Closed Closed E0000h E2000h Open Open Open Closed Closed WAIT STATE Setting JP4 » System wait states Open Zero wait states Closed Note:If 0 wait states is selected, I/O CHRDY must be disabled (JP5 open). I/O CHRDY Setting JP5 » Disabled Open Enabled Closed Note:If a boot ROM is installed, I/O CHRDY must be enabled (JP5 closed). If I/O CHRDY is enabled (JP5 closed), System wait states must be selected (JP4 open) BOOT ROM Setting JP6 » Disabled Open Enabled Closed CABLE TYPE Type JP7 JP8 » RG-58A/U 50ohm coaxial Pins 1 & 2 Closed Pins 1 & 2 Closed Unshielded twisted PIns 2 & 3 Closed PIns 2 & 3 Closed pair TOPOLOGY Topology JP9 » Star Closed Linear Bus Open DIAGNOSTIC LED(S) LED Color Status Condition LED1 Red On Network connection is good LED1 Red Blinking Network connection is broken or no activity is detected LED2 Green On Data is being received LED2 Green Off Data is not being received LED2 Green Blinking System power has just been applied