3COM CORPORATION ETHERLINK PLUS (3C505B; ASSY.#2012) NIC Type Ethernet Transfer Rate 10Mbps Data Bus 16-bit ISA Topology Linear Bus Wiring Type RG-58A/U 50ohm coaxial AUI transceiver via DB-15 port Boot ROM Available [Image] CABLE TYPE SELECTION Type JP45 - JP51 » RG-58A/U 50ohm coaxial Pins 2 & 3 Closed AUI transceiver via DB-15 port Pins 1 & 2 Closed INTERRUPT REQUEST SELECTION IRQ JP29 JP30 JP31 JP32 JP33 JP34 JP35 JP36 JP37 JP38 JP39 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 6 Open Open Open Open Open Open Open Open Closed 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 14 Closed Open Open Open Open Open Open Open Open Open Open 15 Open Closed Open Open Open Open Open Open Open Open Open DMA CHANNEL SELECTION Channel JP21 JP22 JP23 JP24 JP25 JP26 JP27 JP28 Disabled Open Open Open Open Open Open Closed Closed 5 Open Open Open Open Closed Closed Open Open 6 Open Open Closed Closed Open Open Open Open 7 Closed Closed Open Open Open Open Open Open I/O BASE ADDRESS SELECTION Address JP4 JP5 JP6 JP7 JP8 JP9 200h Pins 1 Pins 1 Pins 1 Pins 1 Pins 1 Pins 2 & & 2 & 2 & 2 & 2 & 2 3 210h Pins 2 Pins 1 Pins 1 Pins 1 Pins 2 Pins 1 & & 3 & 2 & 2 & 2 & 3 2 220h Pins 1 Pins 2 Pins 1 Pins 1 Pins 1 Pins 2 & & 2 & 3 & 2 & 2 & 2 3 230h Pins 2 Pins 2 Pins 1 Pins 1 Pins 1 Pins 2 & & 3 & 3 & 2 & 2 & 2 3 240h Pins 1 Pins 1 Pins 2 Pins 1 Pins 1 Pins 2 & & 2 & 2 & 3 & 2 & 2 3 250h Pins 2 Pins 1 Pins 2 Pins 1 Pins 1 Pins 2 & & 3 & 2 & 3 & 2 & 2 3 260h Pins 1 Pins 2 Pins 2 Pins 1 Pins 1 Pins 2 & & 2 & 3 & 3 & 2 & 2 3 270h Pins 2 Pins 2 Pins 2 Pins 2 Pins 1 Pins 2 & & 3 & 3 & 3 & 3 & 2 3 280h Pins 1 Pins 1 Pins 1 Pins 2 Pins 1 Pins 2 & & 2 & 2 & 2 & 3 & 2 3 290h Pins 2 Pins 1 Pins 1 Pins 2 Pins 1 Pins 2 & & 3 & 2 & 2 & 3 & 2 3 2A0h Pins 1 Pins 2 Pins 1 Pins 2 Pins 1 Pins 2 & & 2 & 3 & 2 & 3 & 2 3 2B0h Pins 2 Pins 2 Pins 1 Pins 2 Pins 1 Pins 2 & & 3 & 3 & 2 & 3 & 2 3 2C0h Pins 1 Pins 1 Pins 2 Pins 2 Pins 1 Pins 2 & & 2 & 2 & 3 & 3 & 2 3 2D0h Pins 2 Pins 1 Pins 2 Pins 2 Pins 1 Pins 2 & & 3 & 2 & 3 & 3 & 2 3 2E0h Pins 1 Pins 2 Pins 2 Pins 2 Pins 1 Pins 2 & & 2 & 3 & 3 & 3 & 2 3 2F0h Pins 2 Pins 2 Pins 2 Pins 2 Pins 1 Pins 2 & & 3 & 3 & 3 & 3 & 2 3 300h Pins 1 Pins 1 Pins 1 Pins 1 Pins 2 Pins 2 & & 2 & 2 & 2 & 2 & 3 3 310h Pins 2 Pins 1 Pins 1 Pins 1 Pins 2 Pins 2 & & 3 & 2 & 2 & 2 & 3 3 320h Pins 1 Pins 2 Pins 1 Pins 1 Pins 2 Pins 2 & & 2 & 3 & 2 & 2 & 3 3 330h Pins 2 Pins 2 Pins 1 Pins 1 Pins 2 Pins 2 & & 3 & 3 & 2 & 2 & 3 3 340h Pins 1 Pins 1 Pins 2 Pins 1 Pins 2 Pins 2 & & 2 & 2 & 3 & 2 & 3 3 350h Pins 2 Pins 1 Pins 2 Pins 1 Pins 2 Pins 2 & & 3 & 2 & 3 & 2 & 3 3 360h Pins 1 Pins 2 Pins 2 Pins 1 Pins 2 Pins 2 & & 2 & 3 & 3 & 2 & 3 3 370h Pins 2 Pins 1 Pins 2 Pins 2 Pins 2 Pins 2 & & 3 & 2 & 3 & 3 & 3 3 380h Pins 1 Pins 1 Pins 1 Pins 2 Pins 2 Pins 2 & & 2 & 2 & 2 & 3 & 3 3 390h Pins 2 Pins 1 Pins 1 Pins 2 Pins 2 Pins 2 & & 3 & 2 & 2 & 3 & 3 3 3A0h Pins 1 Pins 2 Pins 1 Pins 2 Pins 2 Pins 2 & & 2 & 3 & 2 & 3 & 3 3 3B0h Pins 1 Pins 2 Pins 2 Pins 2 Pins 2 Pins 2 & & 2 & 3 & 3 & 3 & 3 3 3C0h Pins 1 Pins 1 Pins 2 Pins 2 Pins 2 Pins 2 & & 2 & 2 & 3 & 3 & 3 3 3D0h Pins 2 Pins 1 Pins 2 Pins 2 Pins 2 Pins 2 & & 3 & 2 & 3 & 3 & 3 3 3E0h Pins 1 Pins 2 Pins 2 Pins 2 Pins 2 Pins 2 & & 2 & 3 & 3 & 3 & 3 3 3F0h Pins 2 Pins 2 Pins 2 Pins 2 Pins 2 Pins 2 & & 3 & 3 & 3 & 3 & 3 3 Note:Pins designated should be in the closed position. BOOT ROM ADDRESS SELECTION Address JP13 JP14 JP15 JP16 JP17 JP18 JP19 CC000h Pins 2 Pins 1 Pins 1 Pins 2 Pins 2 Pins 1 Pins 1 & 3 & 2 & 2 & 3 & 3 & 2 & 2 EC000h Pins 2 Pins 2 Pins 1 Pins 2 Pins 2 Pins 1 Pins 1 & 3 & 3 & 2 & 3 & 3 & 2 & 2 Note:Pins designated should be in the closed position. BOOT ROM CONFIGURATION Setting JP12 » Disabled Pins 1 & 2 Closed Enabled Pins 2 & 3 Closed