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2000A

EDIMAX COMPUTER COMPANY

2000A

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

16-bit ISA

Topology

Star

Linear Bus

Wiring Type

RG-58A/U 50ohm coaxial

Unshielded twisted pair

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 operate properly

INTERRUPT SETTINGS

IRQ

JP2A

JP2B

JP2C

JP2D

JP2E

JP2F

JP2G

JP2H

JP2I

JP2J

JP2K

 

2

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

BOOT ROM

Setting

JP3

Disabled

Open

 

Enabled

Closed

I/O BASE ADDRESS

Address

JP2L

JP2M

300h

Closed

Closed

 

320h

Closed

Open

 

340h

Open

Closed

 

360h

Open

Open

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

AUTO-POLARITY

Setting

JP5

Enabled

Pins 1 & 2 Closed

Disabled

Pins 2 & 3 Closed

Note:When disabled, if a reversed polarity signal occurs the card may be damaged.

SIGNAL QUALITY ERROR (SQE) TEST

Setting

JP6

Enabled

Pins 1 & 2 Closed

Disabled

Pins 2 & 3 Closed

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

SEGMENT LENGTH

Maximum Length

JP7

185 meters

Pins 2 & 3 closed

 

300 meters

Pins 1 & 2 closed

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

LINK INTEGRITY TEST

Setting

JP8

Enabled

Pins 1 & 2 Closed

 

Disabled

Pins 2 & 3 Closed

Note:The link integrity test is only valid when the cable type is unshielded twisted pair.

CABLE TYPE

Type

JP9A-JP9F

JP10

JP12

RG-58A/U 50ohm coaxial

Open

Pins 2 & 3 Closed

Pins 1 & 2 Closed

 

AUI transceiver via DB-15 port

Open

Pins 1 & 2 Closed

Pins 2 & 3 Closed

 

Shielded/Unshielded twisted pair

Closed

Pins 2 & 3 Closed

Pins 2 & 3 Closed

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Yellow

On

A reversed twisted pair is detected and corrected

LED1

Yellow

Off

Normal operation

LED2

Green

On

Normal operation

LED2

Green

Off

A reversed twisted pair is detected and corrected