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ATN-001S & ATN-001B

DTK COMPUTER, INC.

ATN-001S & ATN-001B

NIC Type

Arcrnet

Transfer Rate

2.5Mbps

Data Bus

16-bit ISA

Topology

Linear Bus (ATN-001B)

Star (ATN-001S)

Wiring Type

RG-62A/U 93ohm coaxial

AUI transceiver via DB-15 port

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)

BOOT ROM

Setting

JP2

Disabled

Open

 

Enabled

Closed

BASE MEMORY ADDRESS

Base Address

Boot ROM

JP1D

JP1E

JP1F

JP1G

JP1H

 

C0000-C07FFh

C2000-C3FFFh

Closed

Closed

Closed

Closed

Closed

 

C0800-C0FFFh

C2000-C3FFFh

Closed

Closed

Closed

Closed

Open

 

C1000-C17FFh

C2000-C3FFFh

Closed

Closed

Closed

Open

Closed

 

C1800-C1FFFh

C2000-C3FFFh

Closed

Closed

Closed

Open

Open

 

C4000-C47FFh

C6000-C7FFFh

Closed

Closed

Open

Closed

Closed

 

C4800-C4FFFh

C6000-C7FFFh

Closed

Closed

Open

Closed

Open

 

C5000-C57FFh

C6000-C7FFFh

Closed

Closed

Open

Open

Closed

 

C5800-C5FFFh

C6000-C7FFFh

Closed

Closed

Open

Open

Open

 

CC000-CC7FFh

CE000-CFFFFh

Closed

Open

Closed

Closed

Closed

 

CC800-CCFFFh

CE000-CFFFFh

Closed

Open

Closed

Closed

Open

 

CD000-CD7FFh

CE000-CFFFFh

Closed

Open

Closed

Open

Closed

 

CD800-CDFFFh

CE000-CFFFFh

Closed

Open

Closed

Open

Open

D0000-D07FFh

D2000-D3FFFh

Closed

Open

Open

Closed

Closed

 

D0800-D0FFFh

D2000-D3FFFh

Closed

Open

Open

Closed

Open

 

D1000-D17FFh

D2000-D3FFFh

Closed

Open

Open

Open

Closed

 

D1800-D1FFFh

D2000-D3FFFh

Closed

Open

Open

Open

Open

 

D4000-D47FFh

D6000-D7FFFh

Open

Closed

Closed

Closed

Closed

 

D4800-D4FFFh

D6000-D7FFFh

Open

Closed

Closed

Closed

Open

 

D5000-D57FFh

D6000-D7FFFh

Open

Closed

Closed

Open

Closed

 

D5800 D5FFFh

D6000-D7FFFh

Open

Closed

Closed

Open

Open

 

D8000-D87FFh

DA000-DBFFFh

Open

Closed

Open

Closed

Closed

 

D8800-D8FFFh

DA000-DBFFFh

Open

Closed

Open

Closed

Open

 

D9000-D97FFh

DA000-DBFFFh

Open

Closed

Open

Open

Closed

 

D9800-D9FFFh

DA000-DBFFFh

Open

Closed

Open

Open

Open

 

DC000-DC7FFh

DE000-DFFFFh

Open

Open

Closed

Closed

Closed

 

DC800-DCFFFh

DE000-DFFFFh

Open

Open

Closed

Closed

Open

 

DD000-DD7FFh

DE000-DFFFFh

Open

Open

Closed

Open

Closed

 

DD800-DDFFFh

DE000-DFFFFh

Open

Open

Closed

Open

Open

 

E0000-E07FFh

E2000-E3FFFh

Open

Open

Open

Closed

Closed

 

E0800-E0FFFh

E2000-E3FFFh

Open

Open

Open

Closed

Open

 

E1000-E17FFh

E2000-E3FFFh

Open

Open

Open

Open

Closed

 

E1800-E1FFFh

E2000-E3FFFh

Open

Open

Open

Open

Open

I/O BASE ADDRESS

I/O

JP1A

JP1B

JP1C

 

260-26Fh

Closed

Closed

Closed

 

290-29Fh

Closed

Closed

Open

2E0-2EFh

Closed

Open

Closed

 

300-30Fh

Open

Closed

Closed

 

350-35Fh

Open

Closed

Open

 

380-38Fh

Open

Open

Closed

 

3E0-3EFh

Open

Open

Open

INTERRUPT REQUEST

IRQ

JP5A

JP5B

JP5C

JP5D

JP5E

2/9

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

WAIT STATE

Setting

JP3

JP4

Zero wait states

Open

Closed

 

Software programmable wait states

Closed

Open

 

Same as I/O Bus wait state

Open

Open

DECODING MODE

Mode

JP6A-JP6E & JP6G

JP6F

Mode 1 (latched addresses are used)

Pins 1 & 2 Closed

Pins 2 & 3 Closed

 

Mode 2 (unlatched addresses are used)

Pins 2 & 3 Closed

Pins 2 & 3 Closed

Note: Do not change jumpers unless you have compatibility problems.

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Red

Blinking

Netwok cabling failure

LED2

Yellow

Off

or hardware failure

LED1

Red

On

Data being transmitted

LED2

Yellow

Blinking

or received