THOMAS-CONRAD CORPORATION TC6042 NIC Type ARCnet Transfer Rate 2.5Mbps Data Bus 8-bit ISA Topology Star Wiring Type RG62A/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 AND RECONFIGURATION TIMEOUT Network Cable JP6 JP7 ResponseTime ( Reconfiguration Length m Time (mS) » Less than Open Open 74.7 840 20,000 feet more than Closed Open 283.4 1680 20,000 feet more than Open Closed 561.8 1680 20,000 feet more than Closed Closed 1118.6 1680 20,000 feet Note : All NICs on the network must have these two jumpers set the same. I/O BASE ADDRESS Address SW3/1 SW3/2 SW3/3 SW3/4 SW3/5 SW3/6 SW3/7 SW3/8 » 2E0h On On Off On Off Off Off On 2F0h On On Off On Off Off Off Off 300h On On Off Off On On On On 310h On On Off Off On On On Off 320h On On Off Off On On Off On 330h On On Off Off On On Off Off 340h On On Off Off On Off On On 350h On On Off Off On Off On Off 360h On On Off Off On Off Off On 370h On On Off Off On Off Off Off 380h On On Off Off Off On On On 390h On On Off Off Off On On Off 3A0h On On Off Off Off On Off On 3B0h On On Off Off Off On Off Off 3C0h On On Off Off Off Off On On 3D0h On On Off Off Off Off On Off 3E0h On On Off Off Off Off Off On 3F0h On On Off Off Off Off Off Off BASE MEMORY ADDRESS Address SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 SW1/7 » D000h Off Off On Off On On On E000h Off Off Off On On On On C400h Off Off On On On Off On C800h Off Off On On Off On On CC00h Off Off On On Off Off On D400h Off Off On Off On Off On D800h Off Off On Off Off On On DC00h Off Off On Off Off Off On INTERRUPT REQUEST IRQ JP1 JP2 JP3 JP4 JP5 » 2 Open Open Open Open Closed 3 Closed Open Open Open Open 4 Open Closed Open Open Open 5 Open Open Closed Open Open 7 Open Open Open Closed Open COMPATIBILITY MODE Mode SW1/8 » Enhanced mode On Compatible mode Off Note: Enhanced mode optimizes performance and minimizes conflicts of your hardware, by using a Thomas-Conrad ARCNET driver. It is also not necessary to set the I/O address. In compatible mode the adapter can use most existing ARCNET drivers.