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ETHERLINK PLUS (3C505B; ASSY.#2012)
3COM CORPORATION
ETHERLINK PLUS (3C505B; ASSY.#2012)
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NIC Type
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Ethernet
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Transfer Rate
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10Mbps
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Data Bus
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16-bit ISA
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Topology
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Linear Bus
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Wiring Type
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RG-58A/U 50ohm coaxial
AUI transceiver via DB-15 port
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Boot ROM
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Available
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CABLE TYPE SELECTION
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Type
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JP45 - JP51
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RG-58A/U 50ohm coaxial
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Pins 2 & 3 Closed
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AUI transceiver via DB-15 port
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Pins 1 & 2 Closed
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INTERRUPT REQUEST SELECTION
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IRQ
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JP29
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JP30
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JP31
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JP32
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JP33
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JP34
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JP35
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JP36
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JP37
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JP38
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JP39
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2
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Closed
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3
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Open
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Open
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Open
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Open
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Open
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Closed
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Open
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Open
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Open
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Open
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Open
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4
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Open
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Open
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Open
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Open
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Open
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Open
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Closed
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Open
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Open
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Open
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Open
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5
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Closed
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Open
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Open
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Open
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6
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Closed
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Open
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Open
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7
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Closed
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Open
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10
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Open
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Open
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Open
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Open
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Closed
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Open
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Open
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Open
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Open
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Open
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Open
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11
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Open
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Open
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Open
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Closed
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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12
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Open
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Open
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Closed
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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14
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Closed
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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15
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Open
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Closed
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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Open
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DMA CHANNEL SELECTION
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Channel
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JP21
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JP22
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JP23
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JP24
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JP25
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JP26
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JP27
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JP28
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Disabled
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Open
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Open
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Open
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Open
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Open
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Open
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Closed
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Closed
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5
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Open
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Open
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Open
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Open
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Closed
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Closed
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Open
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Open
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6
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Open
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Open
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Closed
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Closed
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Open
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Open
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Open
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Open
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7
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Closed
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Closed
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Open
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Open
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Open
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Open
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Open
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Open
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I/O BASE ADDRESS SELECTION
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Address
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JP4
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JP5
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JP6
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JP7
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JP8
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JP9
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200h
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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210h
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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220h
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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230h
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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240h
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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250h
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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260h
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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270h
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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280h
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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290h
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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2A0h
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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2B0h
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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2C0h
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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2D0h
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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2E0h
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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2F0h
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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300h
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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310h
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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320h
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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330h
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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340h
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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350h
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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360h
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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370h
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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380h
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Pins 1 & 2
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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390h
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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3A0h
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Pins 1 & 2
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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3B0h
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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3C0h
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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3D0h
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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3E0h
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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3F0h
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Pins 2 & 3
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Note:Pins designated should be in the closed position.
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BOOT ROM ADDRESS SELECTION
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Address
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JP13
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JP14
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JP15
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JP16
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JP17
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JP18
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JP19
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CC000h
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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EC000h
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 2 & 3
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Pins 2 & 3
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Pins 1 & 2
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Pins 1 & 2
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Note:Pins designated should be in the closed position.
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BOOT ROM CONFIGURATION
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Setting
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JP12
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Disabled
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Pins 1 & 2 Closed
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Enabled
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Pins 2 & 3 Closed
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