DAVID SYSTEMS, INC.

ETHER-T PC/AT ADAPTER

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

8/16-bit ISA

Topology

Star

Wiring Type

Shielded/Unshielded twisted pair

AUI Transceiver via DB-15 port

Boot ROM

Not Available

CABLE TYPE

Type

JP15-22

Shielded/Unshielded twisted pair

Pins 1 & 2 Closed

 

AUI transceiver via DB-15 port

Pins 2 & 3 Closed

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Red

Blinking

Collision detected on network

LED1

Red

On

Too many collisions; possible network problem

LED2

Green

On

Good network cabling connection.

LED2

Green

Off

Bad connection, or a break in the cabling.

LED3

Yellow

Blinking

Data is being received.

LED4

Green

Blinking

Data is being transmitted.

BOOT ROM SETTINGS

Condition

JP7

JP8

JP9

JP10

JP11

JP12

JP13

JP14

Disabled

2&3

1&2

1&2

2&3

2&3

1&2

2&3

2&3

Note: Pins designated should be in the closed position. This board was designed with a boot ROM socket, but it was never implemented. Therefore jumpers JP7 to JP14 must always be set as they are shown in this table.

I/O BASE ADDRESS

I/O

JP1

JP2

JP3

JP4

JP5

JP6

100h

Open

Closed

Open

Open

Open

Open

110h

Open

Closed

Open

Open

Open

Closed

120h

Open

Closed

Open

Open

Closed

Open

130h

Open

Closed

Open

Open

Closed

Closed

140h

Open

Closed

Open

Closed

Open

Open

150h

Open

Closed

Open

Closed

Open

Closed

160h

Open

Closed

Open

Closed

Closed

Open

170h

Open

Closed

Open

Closed

Closed

Closed

180h

Open

Closed

Closed

Open

Open

Open

190h

Open

Closed

Closed

Open

Open

Closed

1A0h

Open

Closed

Closed

Open

Closed

Open

1B0h

Open

Closed

Closed

Open

Closed

Closed

1C0h

Open

Closed

Closed

Closed

Open

Open

1D0h

Open

Closed

Closed

Closed

Open

Closed

1E0h

Open

Closed

Closed

Closed

Closed

Open

1F0h

Open

Closed

Closed

Closed

Closed

Closed

200h

Closed

Open

Open

Open

Open

Open

210h

Closed

Open

Open

Open

Open

Closed

220h

Closed

Open

Open

Open

Closed

Open

230h

Closed

Open

Open

Open

Closed

Closed

240h

Closed

Open

Open

Closed

Open

Open

250h

Closed

Open

Open

Closed

Open

Closed

260h

Closed

Open

Open

Closed

Closed

Open

270h

Closed

Open

Open

Closed

Closed

Closed

280h

Closed

Open

Closed

Open

Open

Open

290h

Closed

Open

Closed

Open

Open

Closed

2A0h

Closed

Open

Closed

Open

Closed

Open

2B0h

Closed

Open

Closed

Open

Closed

Closed

2C0h

Closed

Open

Closed

Closed

Open

Open

2D0h

Closed

Open

Closed

Closed

Open

Closed

2E0h

Closed

Open

Closed

Closed

Closed

Open

2F0h

Closed

Open

Closed

Closed

Closed

Closed

300h

Closed

Closed

Open

Open

Open

Open

310h

Closed

Closed

Open

Open

Open

Closed

320h

Closed

Closed

Open

Open

Closed

Open

330h

Closed

Closed

Open

Open

Closed

Closed

340h

Closed

Closed

Open

Closed

Open

Open

350h

Closed

Closed

Open

Closed

Open

Closed

360h

Closed

Closed

Open

Closed

Closed

Open

370h

Closed

Closed

Open

Closed

Closed

Closed

380h

Closed

Closed

Closed

Open

Open

Open

390h

Closed

Closed

Closed

Open

Open

Closed

3A0h

Closed

Closed

Closed

Open

Closed

Open

3B0h

Closed

Closed

Closed

Open

Closed

Closed

3C0h

Closed

Closed

Closed

Closed

Open

Open

3DOh

Closed

Closed

Closed

Closed

Open

Closed

3E0h

Closed

Closed

Closed

Closed

Closed

Open

3F0h

Closed

Closed

Closed

Closed

Closed

Closed