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ETHERNET/8

INVISIBLE SOFTWARE, INC.

ETHERNET/8

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

8-bit ISA

Topology

Linear Bus

Wiring Type

RG-58A/U 50ohm coaxial

Boot ROM

Available

NODE ADDRESS SELECTION

Address

SW3/1

SW3/2

SW3/3

SW3/4

SW3/5

SW3/6

SW3/7

Dynamic

On

On

On

On

On

On

On

1

On

On

On

On

On

On

Off

2

On

On

On

On

On

Off

On

3

On

On

On

On

On

Off

Off

4

On

On

On

On

Off

On

On

5

On

On

On

On

Off

On

Off

123

Off

Off

Off

Off

On

Off

Off

124

Off

Off

Off

Off

Off

On

On

125

Off

Off

Off

Off

Off

On

Off

126

Off

Off

Off

Off

Off

Off

On

127

Off

Off

Off

Off

Off

Off

Off

Note: One dynamic and 127 specific node address settings are available. The switches are a binary representation of the decimal node addresses. Switch SW3/7 is the Least Significant Bit and switch SW3/1 is the Most Significant Bit. The switches have the following decimal values: switch SW3/7=1, SW3/6=2, SW3/5=4, SW3/4=8, SW3/3=16, SW3/2=32, SW3/1=64. Turn off the switches and add the values of the off switches to obtain the correct node address. (on=0, off=1)

BASE I/O ADDRESS SELECTION

Address

SW1/1

SW1/2

300h

On

On

 

320h

Off

On

 

340h

On

Off

 

360h

Off

Off

INTERRUPT SELECTION

IRQ

SW2/1

SW2/2

SW2/3

SW2/4

3

Off

On

Off

Off

 

2

On

Off

Off

Off

 

4

Off

Off

On

Off

 

5

Off

Off

Off

On

DMA CHANNEL SELECTION

Channel

SW2/5

SW2/6

SW2/7

SW2/8

None

Off

Off

Off

Off

 

1

On

On

Off

Off

 

3

Off

Off

On

On

SHARED RAM CONFIGURATION

Size

W2

32KB

Pins 2 & 3 closed

 

8KB

Pins 1 & 2 closed

BOOT ROM CONFIGURATION

Setting

SW3/8

Disabled

Off

 

Enabled

On

ROM SIZE SELECTION

Size

W1

W3

16KB

Pins 1 & 2 closed

Pins 2 & 3 closed

 

32KB

Pins 2 & 3 closed

Pins 1 & 2 closed

ROM ADDRESS

Address

SW1/3

SW1/4

CC00h

On

On

 

D400h

On

Off

 

DC00h

Off

On

 

E400h

Off

Off

BUS TIMING

Setting

SW1/8

Normal

On

 

Early

Off