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DA-120

D-LINK

DA-120

NIC Type

ARCnet

Transfer Rate

2.5Mbps

Data Bus

8-bit ISA

Topology

Linear Bus

Wiring Type

Unshielded twisted pair

Boot ROM

Available

NODE ADDRESS

Node

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

0

-

-

-

-

-

-

-

-

1

Off

Off

Off

Off

Off

Off

Off

On

2

Off

Off

Off

Off

Off

Off

On

Off

3

Off

Off

Off

Off

Off

Off

On

On

4

Off

Off

Off

Off

Off

On

Off

Off

251

On

On

On

On

On

Off

On

On

252

On

On

On

On

On

On

Off

Off

253

On

On

On

On

On

On

Off

On

254

On

On

On

On

On

On

On

Off

255

On

On

On

On

On

On

On

On

Note:Node address 0 is used for messaging between nodes and must not be used.

A total of 255 node address settings are available. The switches are a binary representation of the decimal node addresses. Switch 1 is the Least Significant Bit and switch 8 is the Most Significant Bit. The switches have the following decimal values: switch 1=128, 2=64, 3=32, 4=16, 5=8, 6=4, 7=2, 8=1. Turn on the switches and add the values of the on switches to obtain the correct node address. (On=1, Off=0)

INTERRUPT REQUEST

IRQ

JP1A

JP1B

JP1C

JP1D

JP1E

2

Closed

Open

Open

Open

Open

3

Open

Closed

Open

Open

Open

4

Open

Open

Closed

Open

Open

5

Open

Open

Open

Closed

Open

7

Open

Open

Open

Open

Closed

I/O BASE ADDRESS

Address

JP2A

JP2B

JP2C

 

260h

PIns 2 & 3 closed

PIns 2 & 3 closed

PIns 2 & 3 closed

 

290h

PIns 2 & 3 closed

PIns 2 & 3 closed

Pins 1 & 2 closed

2E0h

PIns 2 & 3 closed

Pins 1 & 2 closed

PIns 2 & 3 closed

 

300h

Pins 1 & 2 closed

PIns 2 & 3 closed

PIns 2 & 3 closed

 

350h

Pins 1 & 2 closed

PIns 2 & 3 closed

Pins 1 & 2 closed

 

380h

Pins 1 & 2 closed

Pins 1 & 2 closed

PIns 2 & 3 closed

 

3E0h

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

RESPONSE TIMEOUTS

Response Time

JP4A

JP4B

78Ás

Pins 1 & 2 closed

PIns 1 & 2 closed

 

285Ás

Pins 1 & 2 closed

PIns 2 & 3 closed

 

563Ás

PIns 2 & 3 closed

PIns 1 & 2 closed

 

1130Ás

PIns 2 & 3 closed

PIns 2 & 3 closed

Note:All NICs on the network segment must have this option set the same.

BOOT ROM

Setting

JP5

Disabled

Pins 2 & 3 closed

 

Enabled

PIns 1 & 2 closed

BASE MEMORY ADDRESS & BOOT ROM ADDRESS

Base

Boot ROM

JP3A

JP3B

JP3C

JP3D

JP3E

 

C0000h

C2000h

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

 

C0800h

C2000h

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

 

C1000h

C2000h

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

 

C1800h

C2000h

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

 

C4000h

C6000h

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

 

C4800h

C6000h

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

 

C5000h

C6000h

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

 

C5800h

C6000h

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

 

CC000h

CE000h

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

 

CC800h

CE000h

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

 

CD000h

CE000h

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

 

CD800h

CE000h

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

D0000h

D2000h

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

 

D0800h

D2000h

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

 

D1000h

D2000h

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

 

D1800h

D2000h

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

 

D4000h

D6000h

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

 

D4800h

D6000h

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

 

D5000h

D6000h

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

 

D5800h

D6000h

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

 

D8000h

DA000h

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

 

D8800h

DA000h

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

 

D9000h

DA000h

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

 

D9800h

DA000h

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

 

DC000h

DE000h

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

 

DC800h

DE000h

Pins 1 & 2

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

 

DD000h

DE000h

Pins 2 & 3

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

 

DD800h

DE000h

Pins 1 & 2

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

 

E0000h

E2000h

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

 

E0800h

E2000h

Pins 1 & 2

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

 

E1000h

E2000h

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

 

E1800h

E2000h

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Note:Pins designated should be in the closed position.