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NE2000

UNIDENTIFIED

NE2000

NIC Type

Ethernet

Network Transfer Rate

10Mbps

Data Bus

16-bit ISA

Topology

Linear Bus, Star

Wiring Type

Unshielded twisted pair

RG-58A/U 50ohm coaxial

Boot ROM

Available (location unidentified)

CONNECTIONS

Function

Label

Function

Label

Unshielded twisted pair port

CN1

RG-58A/U 50ohm coaxial port

CN2

USER CONFIGURABLE SETTINGS

Function

Label

Position

Model select for COMPAQ 285, IBM PC 30-285, & C&T chipset computers

JP4

Closed

 

Model select for all other computers

JP4

Open

JUMPER/JUMPERLESS CONFIGURATION

Setting

JP5/Pins 1 & 2

JP5/Pins 3 & 4

Jumper

Closed

Open

Jumperless

Open

Closed

INTERUPT CONFIGURATION

IRQ

JP3/A

JP3/B

JP3/C

JP3/D

JP3/E

JP3/F

JP3/G

JP3/H

 

2/9

Open

Open

Open

Open

Open

Open

Open

Closed

3

Open

Open

Open

Open

Open

Open

Closed

Open

 

4

Open

Open

Open

Open

Open

Closed

Open

Open

 

5

Open

Open

Open

Open

Closed

Open

Open

Open

 

10

Open

Open

Open

Closed

Open

Open

Open

Open

 

11

Open

Open

Closed

Open

Open

Open

Open

Open

 

12

Open

Closed

Open

Open

Open

Open

Open

Open

 

15

Closed

Open

Open

Open

Open

Open

Open

Open

I/O PORT ADDRESS SELECTION

Setting

JP2/1

JP2/2

JP2/3

 

240h

Open

Closed

Open

 

280h

Closed

Closed

Open

 

2C0h

Open

Open

Closed

330h

Open

Open

Open

 

320h

Closed

Open

Closed

 

340h

Open

Closed

Closed

 

360h

Closed

Closed

Closed

ROM ADDRESS SELECTION

Address

JP1/1

JP1/2

JP1/3

JP1/4

Disabled

Open

Open

Open

Open

 

Disabled

Closed

Open

Open

Open

 

C0000h, 8/16k

Open

Closed

Open

Open

 

C4000h, 8/16K

Closed

Closed

Open

Open

 

C8000h, 8/16K

Open

Open

Closed

Open

 

CC000h, 8/16K

Closed

Open

Closed

Open

 

D0000h, 8/16k

Open

Closed

Closed

Open

 

D4000h, 8/16k

Closed

Closed

Closed

Open

 

D8000h, 8/16k

Open

Open

Open

Closed

 

DC000h, 8/16k

Closed

Open

Open

Closed

 

C0000h, 32K

Open

Closed

Open

Closed

 

C8000h, 32K

Closed

Closed

Open

Closed

 

D0000h, 32K

Open

Open

Closed

Closed

 

D8000h, 32K

Closed

Open

Closed

Closed

 

C0000h, 64K

Open

Closed

Closed

Closed

 

D0000h, 64K

Closed

Closed

Closed

Closed

DIAGNOSTIC LED(S)

LED

Status

Condition

LED1

On

Network connection is good

LED1

Off

Network connection is broken

LED2

Blinking

Data is being transmitted/received

LED2

Off

Data is not being transmitted/received