ALLIED TELESYN, INC.

AT-2000U

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

8/16-bit ISA

Topology

Star

Linear Bus

Wiring Type

Unshielded twisted pair

RG-58A/U 50ohm coaxial

AUI transceiver via DB-15 port

Boot ROM

Available

CONNECTORS

Location

Function

JP13

External activity LED connection

Note:For external activity LED indications, please refer to the Diagnostic LED table.

CABLE TYPE

Type

JP1A - JP1F

JP16

»

Unshielded twisted pair

Pins 2 & 3 Closed

Closed

 

RG-58A/U 50ohm coaxial

Pins 2 & 3 Closed

Open

 

AUI transceiver via DB-15 port

Pins 1 & 2 Closed

Open

ETHERNET VERSION

Setting

JP5

»

Version 2 (IEEE 802.3)

Open

 

Version 1

Closed

INTERRUPT REQUEST

IRQ

JP6A

JP6B

JP6C

JP6D

JP6E

JP6F

JP6G

JP6H

 

2/9

Open

Open

Open

Closed

Open

Open

Open

Open

»

3

Open

Open

Open

Open

Closed

Open

Open

Open

 

4

Open

Open

Open

Open

Open

Closed

Open

Open

 

5

Open

Open

Open

Open

Open

Open

Closed

Open

 

7

Open

Open

Open

Open

Open

Open

Open

Closed

 

10

Open

Open

Closed

Open

Open

Open

Open

Open

 

11

Open

Closed

Open

Open

Open

Open

Open

Open

 

15

Closed

Open

Open

Open

Open

Open

Open

Open

WAIT STATE

Setting

JP7

JP12

»

1 wait state

Open

Closed

 

0 wait states

Closed

Open

BOOT ROM

Setting

JP8

»

Disabled

Open

 

Enabled

Closed

I/O BASE ADDRESS

Address

JP9A

JP9B

JP9C

JP9D

 

200-21Fh

Closed

Closed

Closed

Closed

 

220-23Fh

Closed

Closed

Closed

Open

 

240-25Fh

Closed

Closed

Open

Closed

 

260-27Fh

Closed

Closed

Open

Open

 

280-29Fh

Closed

Open

Closed

Closed

 

2A0-2BFh

Closed

Open

Closed

Open

 

2C0-2DFh

Closed

Open

Open

Closed

 

2E0-2FFh

Closed

Open

Open

Open

»

300-31Fh

Open

Closed

Closed

Closed

 

320-33Fh

Open

Closed

Closed

Open

 

340-35Fh

Open

Closed

Open

Closed

 

360-37Fh

Open

Closed

Open

Open

 

380-39Fh

Open

Open

Closed

Closed

 

3A0-3BFh

Open

Open

Closed

Open

 

3C0-3DFh

Open

Open

Open

Closed

 

3E0-3FFh

Open

Open

Open

Open

BOOT ROM ADDRESS

Address

JP10A

JP10B

JP10C

JP10D

JP10E

JP10F

 

C0000h

Open

Closed

Closed

Closed

Closed

Closed

 

C2000h

Open

Closed

Closed

Closed

Closed

Open

 

C4000h

Open

Closed

Closed

Closed

Open

Closed

 

C6000h

Open

Closed

Closed

Closed

Open

Open

»

C8000h

Open

Closed

Closed

Open

Closed

Closed

 

CA000h

Open

Closed

Closed

Open

Closed

Open

 

CC000h

Open

Closed

Closed

Open

Open

Closed

 

CE000h

Open

Closed

Closed

Open

Open

Open

 

D0000h

Open

Closed

Open

Closed

Closed

Closed

 

D2000h

Open

Closed

Open

Closed

Closed

Open

 

D4000h

Open

Closed

Open

Closed

Open

Closed

 

D6000h

Open

Closed

Open

Closed

Open

Open

 

D8000h

Open

Closed

Open

Open

Closed

Closed

 

DA000h

Open

Closed

Open

Open

Closed

Open

 

DC000h

Open

Closed

Open

Open

Open

Closed

 

DE000h

Open

Closed

Open

Open

Open

Open

CARD EMULATION MODE

Mode

JP11A

»

NE2000

Open

 

NE1000

Closed

Note:If the card is installed in an 8-bit slot the mode should be NE1000.

If the card is installed in a 16-bit slot the mode should be NE2000.

ONBOARD RAM

Size

JP11C

»

16KB

Open

 

32KB

Closed

BOOT ROM SIZE

Size

JP14A

JP14B

JP14C

JP15A

JP15B

»

8KB

Open

Open

Open

Pins 1 & 2 Closed

Pins 1 & 2 Closed

 

16KB

Closed

Open

Open

Pins 1 & 2 Closed

Pins 1 & 2 Closed

 

32KB

Open

Closed

Open

Pins 1 & 2 Closed

Pins 2 & 3 Closed

 

64KB

Open

Open

Closed

Pins 2 & 3 Closed

Pins 2 & 3 Closed

LINK INTEGRITY TEST

Setting

JP17

»

Enabled

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Note:The link integrity test is valid only when the cable type is unshielded twisted pair.

DATA BUS SLOT

Setting

JP18

»

16-bit

Closed

 

8-bit

Open

BUS MASTER ENABLE

Setting

JP19

»

Disabled

Open

 

Enabled

Closed

Note:This option must be enabled if there is a bus master card installed in the system. If JP19 is closed, JP18

FACTORY CONFIGURED SETTING

Jumper

Setting

JP4

Closed

JP11B

Open

JP11C

Open

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Green

On

Twisted pair network connection is good

LED1

Green

Off

Twisted pair network connection is broken

External (JP13)

N/A

On

Data is being transmitted or received

External (JP13)

N/A

Off

Data is not being transmitted or received

Note:LED1 indications are only valid when the cable type is twisted pair.