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CN800E/880E

CNET TECHNOLOGY, INC.

CN800E/880E

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

16-bit ISA

Topology

Star

Wiring Type

Unshielded twisted pair

AUI transceiver via DB-15 port

Boot ROM

Available

INTERRUPT REQUEST

IRQ

JP1A

JP1B

JP1C

JP1D

JP1E

JP1F

JP1G

JP1H

JP1I

 

2/9

Closed

Open

Open

Open

Open

Open

Open

Open

Open

3

Open

Closed

Open

Open

Open

Open

Open

Open

Open

 

4

Open

Open

Closed

Open

Open

Open

Open

Open

Open

 

5

Open

Open

Open

Closed

Open

Open

Open

Open

Open

 

7

Open

Open

Open

Open

Closed

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Open

Closed

Open

Open

Open

 

11

Open

Open

Open

Open

Open

Open

Closed

Open

Open

 

12

Open

Open

Open

Open

Open

Open

Open

Closed

Open

 

15

Open

Open

Open

Open

Open

Open

Open

Open

Closed

WAIT STATE

Setting

JP2A

JP2B

0 Wait states

Pins 1 & 2 closed

Pins 1 & 2 closed

 

1 Wait state

Pins 2 & 3 closed

Pins 1 & 2 closed

 

2 Wait states

Pins 2 & 3 closed

Pins 2 & 3 closed

BOOT ROM

Setting

JP5

Disabled

Pins 1 & 2 closed

 

Enabled

Pins 2 & 3 closed

BOOT ROM SIZE

Size

JP6

JP7

16KB

Pins 1 & 2 closed

Pins 1 & 2 closed

 

32KB

Pins 2 & 3 closed

Pins 1 & 2 closed

 

64KB

Pins 2 & 3 closed

Pins 2 & 3 closed

CABLE TYPE

Type

JP16

Unshielded twisted pair

Pins 2 & 3 Closed

 

AUI transceiver via DB-15 port

Pins 1 & 2 Closed

LINK INTEGRITY TEST

Setting

JP31

Enabled

Pins 1 & 2 Closed

 

Disabled

Pins 2 & 3 Closed

Note:Link Integrity is only used with 10Base-T wiring. When using an AUI transciever, the test should be disabled.

BOOT ROM ADDRESS

Address

ROM Size

SW1/1

SW1/2

SW1/3

SW1/4

 

C0000h

16KB

On

On

On

On

 

C0000h

32KB

On

On

On

Off

 

C0000h

64KB

On

On

Off

Off

 

C4000h

16KB

On

On

On

Off

 

C8000h

16KB

On

On

Off

On

 

C8000h

32KB

On

On

Off

Off

 

CC000h

16KB

On

On

Off

Off

 

D0000h

16KB

On

Off

On

On

 

D0000h

32KB

On

Off

On

Off

 

D0000h

64KB

On

Off

Off

Off

 

D4000h

16KB

On

Off

On

Off

D8000h

16KB

On

Off

Off

On

 

D8000h

32KB

On

Off

Off

Off

 

DC000h

16KB

On

Off

Off

Off

I/O BASE ADDRESS

Address

SW1/5

SW1/6

SW1/7

SW1/8

 

200-2IFh

On

On

On

On

 

220-23Fh

On

On

On

Off

 

240-25Fh

On

On

Off

On

280-29Fh

On

Off

On

On

 

2A0-2BFh

On

Off

On

Off

 

2C0-2DFh

On

Off

Off

On

 

300-31Fh

Off

On

On

On

 

320-33Fh

Off

On

On

Off

 

340-35Fh

Off

On

Off

On

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Red

On/Blinking

Data is being received

LED1

Red

Off

Data is not being received

LED2

Green

On

Twisted pair network connection is good

LED2

Green

Off

Twisted pair network connection is broken