STANDARD MICROSYSTEMS CORPORATION ARCNET PC650 NIC Type ARCnet Transfer Rate 2.5Mbps Data Bus 16-bit ISA Topology Star Wiring Type Unshielded twisted pair 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) BOOT ROM Setting JP2 » Disabled Open Enabled Closed INTERRUPT REQUEST IRQ JP3A JP3B JP3C JP3D JP3E JP3F 3 Closed Open Open Open Open Open 4 Open Closed Open Open Open Open 5 Open Open Closed Open Open Open 7 Open Open Open Closed Open Open 9 Open Open Open Open Closed Open 10 Open Open Open Open Open Closed I/O BASE ADDRESS Address SW1/1 SW1/2 SW1/3 » 300h Off On On 260h On On On 290h On On Off 2E0h On Off On 2F0h On Off Off 350h Off On Off 380h Off Off On 3E0h Off Off Off DIAGNOSTIC LED(S) LED Color Status Condition LED1 Red On Card is being accessed by host computer LED1 Red Off Card is not being accessed by host computer LED2 Green On Data is being transmitted or received LED2 Green Off Data is not being transmitted or received LED2 Green blinking Network is reconfiguring BASE MEMORY & BOOT ROM ADDRESS Base Boot ROM SW1/4 SW1/5 SW1/6 SW1/7 SW1/8 Address Address C0000h C2000h On On On On On C0800h C2000h On On On On Off C1000h C2000h On On On Off On C1800h C2000h On On On Off Off C4000h C6000h On On Off On On C4800h C6000h On On Off On Off C5000h C6000h On On Off Off On C5800h C6000h On On Off Off Off CC000h CE000h On Off On On On CC800h CE000h On Off On On Off CD000h CE000h On Off On Off On CD800h CE000h On Off On Off Off D0000h D2000h On Off Off On On D0800h D2000h On Off Off On Off D1000h D2000h On Off Off Off On D1800h D2000h On Off Off Off Off D4000h D6000h Off On On On On D4800h D6000h Off On On On Off D5000h D6000h Off On On Off On D5800h D6000h Off On On Off Off D8000h DA000h Off On Off On On D8800h DA000h Off On Off On Off D9000h DA000h Off On Off Off On D9800h DA000h Off On Off Off Off DC000h DE000h Off Off On On On DC800h DE000h Off Off On On Off DD000h DE000h Off Off On Off On DD800h DE000h Off Off On Off Off E0000h E2000h Off Off Off On On E0800h E2000h Off Off Off On Off E1000h E2000h Off Off Off Off On E1800h E2000h Off Off Off Off Off