GATEWAY COMMUNICATIONS, INC.

G/Ethernet PC-(WS) Adapter (NATIONAL CHIPSET)

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

8-bit ISA

Topology

Linear Bus

Wiring Type

RG-58A/U 50ohm coaxial

AUI transceiver via DB-15 port

Boot ROM

Available

INTERRUPT REQUEST

IRQ

JP2A

JP2B

JP2C

JP2D

JP2E

JP2F

»

3

Open

Closed

Open

Open

Open

Open

 

2

Closed

Open

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

CABLE TYPE

Type

JP4A - JP4D

»

RG-58A/U 50ohm coaxial

Pins 1 & 2 Closed

 

AUI transceiver via DB-15 port

Pins 2 & 3 Closed

I/O BASE ADDRESS

Address

SW1/1

SW1/2

SW1/3

SW1/4

»

2A0h-2BFh

On

Off

On

On

 

280h-29Fh

On

On

On

On

 

2C0h-2DFh

On

On

Off

On

 

2E0h-2FFh

On

Off

Off

On

 

300h-31Fh

On

On

On

Off

 

320h-33Fh

On

Off

On

Off

 

340h-35Fh

On

On

Off

Off

 

360h-37Fh

On

Off

Off

Off

BOOT ROM ADDRESS

Address

SW1/5

SW1/6

»

CC000-CFFFFh

Off

Off

 

C0000-C3FFFh

On

On

 

C4000-C7FFFh

Off

On

 

C8000-CBFFFh

On

Off

MISCELLANEOUS NOTES

The PC adapter can be used in a file server or a work station while the PC-WS adapter can be used in a work station only. Different drivers must be used for the National & the Fujitsu chipset cards, they are not interchangeable. Fujitsu adapters may be used for either 8 or 16-bit Fujitsu cards, while the National chipset cards require a different driver for an 8 or 16-bit card.