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2000A V2.4

EDIMAX COMPUTER COMPANY

2000A V2.4

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

16-bit ISA

Topology

Star

Linear Bus

Wiring Type

Unshielded twisted pair

RG-58A/U 50ohm coaxial

AUI transceiver via DB-15 port

Boot ROM

Available

COMPATIBILITY MODE

Setting

JP1

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 the compatibility mode may allow the card to function properly

INTERRUPT SETTINGS

IRQ

JP2A

JP2B

JP2C

JP2D

JP2E

JP2F

JP2G

JP2H

JP2I

JP2J

JP2K

2/9

Open

Open

Open

Open

Open

Closed

Open

Open

Open

Open

Open

3

Open

Open

Open

Open

Open

Open

Open

Open

Open

Open

Closed

4

Open

Open

Open

Open

Open

Open

Open

Open

Open

Closed

Open

5

Open

Open

Open

Open

Open

Open

Open

Open

Closed

Open

Open

6

Open

Open

Open

Open

Open

Open

Open

Closed

Open

Open

Open

7

Open

Open

Open

Open

Open

Open

Closed

Open

Open

Open

Open

10

Open

Open

Open

Open

Closed

Open

Open

Open

Open

Open

Open

11

Open

Open

Open

Closed

Open

Open

Open

Open

Open

Open

Open

12

Open

Open

Closed

Open

Open

Open

Open

Open

Open

Open

Open

14

Open

Closed

Open

Open

Open

Open

Open

Open

Open

Open

Open

15

Closed

Open

Open

Open

Open

Open

Open

Open

Open

Open

Open

I/O BASE ADDRESS

Address

JP2L

JP2M

300h

Closed

Closed

 

320h

Closed

Open

 

340h

Open

Closed

 

360h

Open

Open

BOOT ROM

Setting

JP3

Disabled

Open

 

Enabled

Closed

BOOT ROM ADDRESS

Address

JP4A

JP4B

JP4C

JP4D

 

C0000h

Closed

Closed

Closed

Closed

 

C4000h

Closed

Closed

Closed

Open

C8000h

Closed

Closed

Open

Closed

 

CC000h

Closed

Closed

Open

Open

 

D0000h

Closed

Open

Closed

Closed

 

D4000h

Closed

Open

Closed

Open

 

D8000h

Closed

Open

Open

Closed

 

DC000h

Closed

Open

Open

Open

SIGNAL QUALITY ERROR (SQE) TEST

Setting

JP5

Enabled

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Note:Signal Quality Error (SQE) is a test of the collision circuitry and path.

Link integrity must be enabled for SQE to be enabled.

CABLE LENGTH SELECT

Setting

JP7

185meters

Pins 1 & 2 closed

 

305meters

Pins 2 & 3 closed

Note: All cards on the network segment must have this function set the same.

Link integrity must be enabled to select long cable length.

LINK INTEGRITY

Setting

JP8

Enabled

Pins 2 & 3 closed

 

Disabled

Pins 1 & 2 closed

Note:If this option is disabled, SQE is also disabled and Cable Length is set to 185 meters

CABLE TYPE

Type

JP9A - JP9F

JP10

JP12

RG-58A/U 50ohm coaxial

Open

Pins 2 & 3 closed

Pins 2 & 3 closed

 

AUI transceiver via DB-15 port

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Unshielded twisted pair

Closed

Pins 2 & 3 closed

Pins 1 & 2 closed

AUTOPOLARITY

Setting

JP14

Enabled

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

Note: When disabled, if the network wire polarities are reversed, the card will be damaged.

FACTORY CONFIGURED SETTINGS

Jumper

Setting

JP6

Unused

CONNECTORS

Setting

Location

External power LED.

JP11

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Yellow

Off

Normal operation

LED1

Yellow

On

A reversed twisted pair is detected and corrected

LED2

Green

On

Twisted pair network connection is good

LED2

Green

Off

Twisted pair network connection is broken