COMPEX, INC.

ANET16-1A

NIC Type

ARCnet

Transfer Rate

2.5Mbps

Data Bus

16-bit ISA

Topology

Star

Linear Bus

Wiring Type

Shielded/Unshielded twisted pair

RG-62A/U 93ohm coaxial

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

On

On

On

On

On

On

On

2

On

Off

On

On

On

On

On

On

3

Off

Off

On

On

On

On

On

On

4

On

On

Off

On

On

On

On

On

251

Off

Off

On

Off

Off

Off

Off

Off

252

On

On

Off

Off

Off

Off

Off

Off

253

Off

On

Off

Off

Off

Off

Off

Off

254

On

Off

Off

Off

Off

Off

Off

Off

255

Off

Off

Off

Off

Off

Off

Off

Off

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=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn off the switches and add the values of the off switches to obtain the correct node address. (On=0, off=1)

INTERRUPT REQUEST

IRQ

JP1

JP2

JP3

JP4

JP5

»

2/9

Open

Open

Open

Open

Closed

 

3

Open

Open

Open

Closed

Open

 

4

Open

Open

Closed

Open

Open

 

5

Open

Closed

Open

Open

Open

 

7

Closed

Open

Open

Open

Open

I/O ADDRESS

Address

JP6

JP7

JP8

 

260h

Closed

Closed

Closed

 

290h

Closed

Closed

Open

»

2E0h

Closed

Open

Closed

 

2F0h

Closed

Open

Open

 

300h

Open

Closed

Closed

 

350h

Open

Closed

Open

 

380h

Open

Open

Closed

 

3E0h

Open

Open

Open

Note:Jumpers count from right to left in the diagram.

BOOT ROM

Setting

JP14

»

Disabled

Open

 

Enabled

Closed

BASE ADDRESS AND BOOT ROM ADDRESS

Address

Boot ROM Address

JP9

JP10

JP11

JP12

JP13

C0000h

C2000h

Closed

Closed

Closed

Closed

Closed

C4000h

C6000h

Closed

Closed

Open

Closed

Closed

CC000h

CE000h

Closed

Open

Closed

Closed

Closed

D0000h

D2000h

Closed

Open

Open

Closed

Closed

D4000h

D6000h

Open

Closed

Closed

Closed

Closed

D8000h

DA000h

Open

Closed

Open

Closed

Closed

DC000h

DE000h

Open

Open

Closed

Closed

Closed

E0000h

E2000h

Open

Open

Open

Closed

Closed

Note:Jumpers count from right to left in the diagram.

WAIT STATE

Setting

JP15

»

Zero wait states disabled

Open

 

Zero wait states enabled

Closed

Note:If Zero wait states are enabled, IOCHRDY (JP20) must be disabled.

CABLE TYPE

Type

Topology

JP16

JP17

»

RG62A/U 93ohm with terminator

Star

Pins 1 & 2 Closed

Closed

 

RG62A/U 93ohm without terminator

Bus

Open

Closed

 

Shielded/Unshielded twisted pair

Bus

Pins 2 & 3 Closed

Open

I/O CHANNEL READY

Status

JP20

»

IOCHRDY signal disabled

Open

 

IOCHRDY signal enabled

Closed

Note:If IOCHRDY signal is enabled, Zero wait state (JP15) must be disabled. If optional PROM is installed,