STANDARD MICROSYSTEMS CORPORATION ARCNET T100 NIC Type ARCnet Transfer Rate 2.5Mbps Data Bus Toshiba laptop internal expansion slot (T5100, T3100, T3100e, T1600, T1200, and T1100Plus) Topology Star Linear Bus Wiring Type RG-62A/U 93ohm coaxial Boot ROM Not 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) BASE MEMORY ADDRESS Base Address SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 C0000h On On On On On C0800h On On On On Off C1000h On On On Off On C1800h On On On Off Off C4000h On On Off On On C4800h On On Off On Off C5000h On On Off Off On C5800h On On Off Off Off CC000h On Off On On On CC800h On Off On On Off CD000h On Off On Off On CD800h On Off On Off Off D0000h On Off Off On On D0800h On Off Off On Off D1000h On Off Off Off On D1800h On Off Off Off Off D4000h Off On On On On D4800h Off On On On Off D5000h Off On On Off On D5800h Off On On Off Off D8000h Off On Off On On D8800h Off On Off On Off D9000h Off On Off Off On D9800h Off On Off Off Off DC000h Off Off On On On DC800h Off Off On On Off DD000h Off Off On Off On DD800h Off Off On Off Off E0000h Off Off Off On On E0800h Off Off Off On Off E1000h Off Off Off Off On E1800h Off Off Off Off Off I/O BASE ADDRESS Address SW1/6 SW1/7 SW1/8 » 300h On On Off 260h On On On 290h Off On On 2E0h On Off On 2F0h Off Off On 350h Off On Off 380h On Off Off 3E0h Off Off Off STANDBY MODE Mode SW3 Power is supplied to the card On (position 1) Power is not supplied to the card Off (position 0) INTERRUPT REQUEST IRQ JP1A JP1B JP1C 2 Closed Open Open 3 Open Closed Open 5 Open Open Closed RESPONSE & RECONFIGURATION TIMEOUTS Response Time Idle Reconfig. JP2A JP2B JP2C Time Time » 78µs 86µs 840ms Closed Closed Open 285µs 316µs 1680ms Closed Open Open 563µs 624µs 1680ms Open Closed Open 1190µs 1237µs 1680ms Open Open Open TOPOLOGY CONFIGURATION Topology JP3 Star Closed Linear Bus Open