KATRON TECHNOLOGIES, INC.

ET-200

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

16-bit ISA

Topology

Linear bus

Wiring Type

RG-58A/U 50ohm coaxial

AUI transceiver via DB-15 port

Boot ROM

Available

AUI ETHERNET VERSION

Version

JP1

»

Version 2

Pins 1 & 2 Closed

 

Version 1

Pins 2 & 3 Closed

Note:The ethernet version is dependent on the MAU you are using. There should be some indication of the ethernet version on the MAU.

SEGMENT LENGTH

Maximum Length

JP2

»

185 meters

Pins 1 & 2 Closed

 

300 meters

Pins 2 & 3 Closed

Note:Segment length is the total length of cable between the two farthest cards on the segment. Each card on the segment must have this option set the same.

ONBOARD TERMINATOR

Setting

JP3

»

Disabled

Pins 2 & 3 Closed

 

Enabled

Pins 1 & 2 Closed

 

Notes:If the card is on either end of a linear bus network segment, the onboard terminator can be used instead of using an external terminator.

COMPATIBILITY MODE

Setting

JP4

»

Disabled

Pins 1 & 2 Closed

 

Enabled

Pins 2 & 3 Closed

Note:On some systems the data bus timing is not truly IBM PC/AT compatible. If the card is not initializing, enabling compatibility mode may allow the card to operate properly.

INTERRUPT REQUEST

IRQ

JP5A

JP5B

JP5C

JP5D

JP5E

JP5F

JP5G

 

2/9

Open

Open

Open

Open

Open

Open

Closed

»

3

Open

Open

Open

Open

Open

Closed

Open

 

4

Open

Open

Open

Open

Closed

Open

Open

 

5

Open

Open

Open

Closed

Open

Open

Open

 

10

Open

Open

Closed

Open

Open

Open

Open

 

11

Open

Closed

Open

Open

Open

Open

Open

 

12

Closed

Open

Open

Open

Open

Open

Open

I/O BASE ADDRESS

Address

JP6A

JP6B

JP6C

JP6D

 

200h

Open

Open

Open

Pins 1 & 2 closed

 

220h

Open

Open

Pins 1 & 2 closed

Open

 

240h

Open

Pins 1 & 2 closed

Open

Open

 

260h

Pins 1 & 2 closed

Open

Open

Open

»

300h

Open

Open

Open

Pins 2 & 3 closed

 

320h

Open

Open

Pins 2 & 3 closed

Open

 

340h

Open

Pins 2 & 3 closed

Open

Open

 

360h

Pins 2 & 3 closed

Open

Open

Open

BOOT ROM SIZE

Size

JP7A

8KB

Pins 2 & 3 Closed

16KB

Pins 1 & 2 Closed

BOOT ROM

Setting

JP7B

»

Disabled

Pins 2 & 3 Closed

 

Enabled

Pins 1 & 2 Closed

BOOT ROM ADDRESS

Address

JP7C

JP7D

JP7E

JP7F

»

C8000h

PIns 1 & 2 closed

PIns 1 & 2 closed

Pins 2 & 3 closed

PIns 1 & 2 closed

 

CC000h

PIns 1 & 2 closed

PIns 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

 

D0000h

PIns 1 & 2 closed

Pins 2 & 3 closed

PIns 1 & 2 closed

PIns 1 & 2 closed

 

D4000h

PIns 1 & 2 closed

Pins 2 & 3 closed

PIns 1 & 2 closed

Pins 2 & 3 closed

 

D8000h

PIns 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

PIns 1 & 2 closed

 

DC000h

PIns 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CABLE TYPE

Type

JP8A - JP8H

»

RG-58A/U 50ohm coaxial

Pins 2 & 3 closed

 

AUI transceiver via DB-15 port

Pins 1 & 2 closed