3COM CORPORATION

ETHERLINK II/16 TP (3C503-TP)

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

8/16-bit ISA

Topology

Linear Bus

Wiring Type

Unshielded twisted pair

AUI transceiver via DB-15 port

Boot ROM

Available

I/O BASE ADDRESS

Address

JP1A

JP1B

JP1C

JP1D

JP1E

JP1F

JP1G

JP1H

 

250h

Open

Open

Open

Open

Closed

Open

Open

Open

 

280h

Open

Open

Open

Open

Open

Closed

Open

Open

 

2A0h

Open

Open

Open

Open

Open

Open

Closed

Open

 

2E0h

Open

Open

Open

Open

Open

Open

Open

Closed

»

300h

Closed

Open

Open

Open

Open

Open

Open

Open

 

310h

Open

Closed

Open

Open

Open

Open

Open

Open

 

330h

Open

Open

Closed

Open

Open

Open

Open

Open

 

350h

Open

Open

Open

Closed

Open

Open

Open

Open

BOOT ROM ADDRESS

Address

JP3A

JP3B

JP3C

JP3D

JP3E

»

Disabled

Closed

Open

Open

Open

Open

 

C8000h

Open

Closed

Open

Open

Open

 

CC000h

Open

Open

Closed

Open

Open

 

D8000h

Open

Open

Open

Closed

Open

 

DC000h

Open

Open

Open

Open

Closed

DATA BUS SIZE

Setting

JP5

»

16-bit

Pins 2 & 3 closed

 

8-bit

Pins 1 & 2 closed

DIAGNOSTIC LED(S)

Color

Status

Condition

Yellow

On

Data is being transmitted or received

Yellow

Off

Data is not being transmitted or received

Green

On

Twisted pair network connection is good

Green

Off

Twisted pair network connection is broken