AMERICAN RESEARCH CORPORATION

ETHERFLEX PLUS 8B, PCN014

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

8-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

I/O BASE ADDRESS

Address

SW1/1

SW1/2

SW1/3

SW1/4

 

200h

On

On

On

On

 

220h

Off

On

On

On

 

240h

On

Off

On

On

 

260h

Off

Off

On

On

»

280h

On

On

Off

On

 

2A0h

Off

On

Off

On

 

2C0h

On

Off

Off

On

 

2E0h

Off

Off

Off

On

 

300h

On

On

On

Off

 

320h

Off

On

On

Off

 

340h

On

Off

On

Off

 

360h

Off

Off

On

Off

 

380h

On

On

Off

Off

 

3A0h

Off

On

Off

Off

 

3C0h

On

Off

Off

Off

 

3E0h

Off

Off

Off

Off

BOOT ROM

Setting

SW1/5

»

Disabled

Off

 

Enabled

On

BOOT ROM ADDRESS

Address

SW1/6

SW1/7

SW1/8

SW1/9

 

C0000h

On

On

On

On

 

C4000h

On

On

On

Off

 

C8000h

On

On

Off

On

 

CC000h

On

On

Off

Off

 

D0000h

On

Off

On

On

 

D4000h

On

Off

On

Off

 

D8000h

On

Off

Off

On

»

DC000h

On

Off

Off

Off

 

E0000h

Off

On

On

On

 

E4000h

Off

On

On

Off

 

E8000h

Off

On

Off

On

 

EC000h

Off

On

Off

Off

 

F0000h

Off

Off

On

On

 

F4000h

Off

Off

On

Off

 

F8000h

Off

Off

Off

On

 

FC000h

Off

Off

Off

Off

RAM BUFFER SIZE

Size

JP1

JP8

JP11

JP12

»

8KB

Pins 1 & 2 Closed

Pins 1 & 2 Closed

Pins 2 & 3 Closed

Pins 2 & 3 Closed

 

32KB

Pins 2 & 3 Closed

Pins 2 & 3 Closed

Pins 1 & 2 Closed

Pins 1 & 2 Closed

CABLE TYPE

Type

JP2 - JP7

JP9

JP10

Unshielded twisted pair

Pins 2 & 3 Closed

Pins 1 & 2 Closed

Pins 1 & 2 Closed

AUI transceiver via DB-15 port

Pins 1 & 2 Closed

Pins 2 & 3 Closed

Pins 2 & 3 Closed

RG-58A/U 50ohm coaxial

Pins 1 & 2 Closed

Pins 1 & 2 Closed

Pins 1 & 2 Closed

INTERRUPT REQUEST

IRQ

JP13A

JP13B

JP13C

JP13D

JP13E

JP13F

 

2

Closed

Open

Open

Open

Open

Open

»

3

Open

Closed

Open

Open

Open

Open

 

4

Open

Open

Closed

Open

Open

Open

 

5

Open

Open

Open

Closed

Open

Open

 

6

Open

Open

Open

Open

Closed

Open

 

7

Open

Open

Open

Open

Open

Closed

FACTORY CONFIGURED SETTINGS

Switch

Setting

SW1/10

Open