LANCAST

ENC-4104

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

16-bit ISA

Topology

Linear bus

Wiring Type

Unshielded twisted pair

AUI transceiver via DB-15 port

Boot ROM

Available

CABLE TYPE

Type

JP1A - JP1G

»

Unshielded twisted pair

Pins 1 & 2 closed

 

AUI transceiver via DB-15 port

Pins 2 & 3 closed

COMPATIBILITY MODE

Setting

JP2

»

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

SW1/1

SW1/2

 

2

On

On

»

3

On

Off

 

4

Off

On

 

5

Off

Off

I/O BASE ADDRESS

Address

SW1/3

SW1/4

»

300 - 31Fh

On

On

 

320 - 33Fh

On

Off

 

340 - 35Fh

Off

On

 

360 - 37Fh

Off

Off

BOOT ROM ADDRESS

Base Address

SW1/5

SW1/6

SW1/7

 

C0000 - C3FFFh

On

On

On

 

C4000 - C7FFFh

Off

On

On

»

C8000 - CBFFFh

On

Off

On

 

CC000 - CFFFFh

Off

Off

On

 

D0000 - D3FFFh

On

On

Off

 

D4000 - D7FFFh

Off

On

Off

 

D8000 - DBFFFh

On

Off

Off

 

DC000 - DFFFFh

Off

Off

Off

BOOT ROM

Setting

SW1/8

»

Disabled

Open

 

Enabled

Closed

DIAGNOSTIC LED(S)

LED

Status

Condition

LED1

Blinking

Card is transmitting for an extended time (Jabber)

LED1

On

Normal operation

LED2

Blinking

Collision detected on network

LED2

On

Normal operation

LED3

Blinking

Data is being received

LED3

On

Data is not being received /Twisted pair network connection good

LED3

Off

Twisted pair network connection broken

LED4

Blinking

Data is being transmitted

LED4

Off

Data is not being transmitted

Note: The function of LED3 is dependent on the cable type selected.

LED3 will indicate twisted pair network connection only when the cable type is twisted pair.