3COM CORPORATION ETHERLINK (3C501; ASSY.#1221) NIC Type Ethernet Transfer Rate 10Mbps Data Bus 8-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 Setting » RG-58A/U 50ohm coaxial Option 1 AUI transceiver via DB-15 port Option 2 BOOT ROM CONFIGURATION Setting JP3 » Disabled Pins 2 & 3 Closed Enabled Pins 1 & 2 Closed I/O BASE ADDRESS SELECTION Address JP4 JP5 JP6 JP7 JP8 JP9 300h Pins 2 Pins 2 Pins 2 Pins 2 Pins 1 Pins 1 & & 3 & 3 & 3 & 3 & 2 2 310h Pins 1 Pins 2 Pins 2 Pins 2 Pins 1 Pins 1 & & 2 & 3 & 3 & 3 & 2 2 Note:Pins designated should be in the closed position. BOOT ROM ADDRESS SELECTION Address JP12 JP13 JP14 JP15 JP16 JP17 JP18 JP19 CC000h Pins Pins Pins Pins Pins Pins Pins Pins 2&3 2&3 1&2 1&2 2&3 2&3 1&2 1&2 EC000h Pins Pins Pins Pins Pins Pins Pins Pins 2&3 2&3 1&2 1&2 2&3 1&2 1&2 1&2 Note:Pins designated should be in the closed position. INTERRUPT REQUEST SELECTION IRQ JP20 JP21 JP22 JP23 JP24 JP25 2 Closed Open Open Open Open Open 3 Open Closed Open Open Open Open 4 Open Open Closed Open Open Open 5 Open Open Open Closed Open Open 6 Open Open Open Open Closed Open 7 Open Open Open Open Open Closed DMA CHANNEL SELECTION Channel JP26 JP27 JP28 JP29 JP30 JP31 DMA1 Closed Open Open Closed Open Open DMA2 Open Closed Open Open Closed Open DMA3 Open Open Closed Open Open Closed Note:Setting the DMA Channel on this card is required even though "No Channel" is listed when setting up the LAN configuration software.