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NIC Type

TCNS (proprietary)

Transfer Rate

100Mbps

Data Bus

16-bit ISA

Topology

Star

Wiring Type

Shielded twisted pair

Boot ROM

Not Available

NODE ADDRESS

Node

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

SW2/7

SW2/8

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

Notes: 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)

BLOCK DECODE SIZE

Size

JP2

16KB

Pins 1 & 2 Closed

128KB

Pins 2 & 3 Closed

Note:A 16-bit VGA adapter typically decodes base memory in 128KB blocks. If you are installing the NIC in a system with such a card, you many need to set the NIC block decode size to 128KB. If you set the block decode size to 128K then all other adapters in the system must also utilize 128KB decode.

WAIT STATE

Setting

JP3

Zero wait states enabled

On

Zero wait states disabled

Off

INTERRUPT REQUEST

IRQ

JP5

JP6

JP7

JP8

JP9

JP10

JP11

JP12

JP13

JP14

JP15

3

Open

Open

Open

Open

Open

Closed

Open

Open

Open

Open

Open

4

Open

Open

Open

Open

Open

Open

Closed

Open

Open

Open

Open

5

Open

Open

Open

Open

Open

Open

Open

Closed

Open

Open

Open

6

Open

Open

Open

Open

Open

Open

Open

Open

Closed

Open

Open

7

Open

Open

Open

Open

Open

Open

Open

Open

Open

Closed

Open

2

Open

Open

Open

Open

Open

Open

Open

Open

Open

Open

Closed

10

Open

Open

Open

Open

Closed

Open

Open

Open

Open

Open

Open

11

Open

Open

Open

Closed

Open

Open

Open

Open

Open

Open

Open

12

Open

Open

Closed

Open

Open

Open

Open

Open

Open

Open

Open

14

Closed

Open

Open

Open

Open

Open

Open

Open

Open

Open

Open

15

Open

Closed

Open

Open

Open

Open

Open

Open

Open

Open

Open

BASE MEMORY ADDRESS

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

C000h

Off

Off

On

On

On

On

C400h

Off

Off

On

On

On

Off

C800h

Off

Off

On

On

On

On

CC00h

Off

Off

On

On

Off

Off

D000h

Off

Off

On

Off

On

On

D400h

Off

Off

On

Off

On

On

D800h

Off

Off

On

Off

Off

On

DC00h

Off

Off

On

Off

Off

Off

Note : SW1/7 & SW1/8 are always in the on position.

I/O BASE ADDRESS

I/O

SW3/1

SW3/2

SW3/3

SW3/4

SW3/5

SW3/6

2E0h

Off

On

Off

Off

Off

On

2F0h

Off

On

Off

Off

Off

Off

300h

Off

Off

On

On

On

On

310h

Off

Off

On

On

On

Off

320h

Off

Off

On

On

Off

On

330h

Off

Off

On

On

Off

Off

340h

Off

Off

On

Off

On

On

350h

Off

Off

On

Off

On

Off

360h

Off

Off

On

Off

Off

On

370h

Off

Off

On

Off

Off

Off

380h

Off

Off

Off

On

On

On

390h

Off

Off

Off

On

On

Off

3A0h

Off

Off

Off

On

Off

On

3B0h

Off

Off

Off

On

Off

Off

3C0h

Off

Off

Off

Off

On

On

3D0h

Off

Off

Off

Off

On

Off

3E0h

Off

Off

Off

Off

Off

On

3F0h

Off

Off

Off

Off

Off

Off

OPERATING MODE

Mode

SW3/7

Enhanced mode

On

Compatible mode

Off

Note: Enhanced mode optimizes performance and minimizes conflicts of your hardware by using a Thomas-Conrad ARCNET driver. It is also not necessary to set the I/O address. In compatible mode the adapter can use most existing ARCNET drivers.

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Red

On

Data is being transmitted or received.

LED1

Red

Off

Data is not being transmitted or received.

LED1

Red

Blinking

Network connection is good

LED1

Red

Off

Network connection is broken