HwMuseum | Index

GVC TECHNOLOGIES, INC.

NIC-2000T (Revision 2)

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

BOOT ROM

Setting

W1

»

Disabled

Open

 

Enabled

Closed

CABLE TYPE

Type

W9

»

Unshielded twisted pair

Pins 2 & 3 closed

 

AUI transceiver via DB-15 port

Pins 1 & 2 closed

LINK INTEGRITY TEST

Function

W10

»

Link intergity enabled

Pins 1 & 2 closed

 

Link integrity disabled

Pins 2 & 3 closed

WAIT STATE SELECTION

1 Wait State

W4

»

Enabled

Open

 

Disabled

Closed

INTERRUPT SETTINGS

IRQ

W5

W6

W7

W8

W11

W12

W13

W14

»

IRQ3

Closed

Open

Open

Open

Open

Open

Open

Open

 

IRQ4

Open

Closed

Open

Open

Open

Open

Open

Open

 

IRQ5

Open

Open

Closed

Open

Open

Open

Open

Open

 

IRQ9

Open

Open

Open

Closed

Open

Open

Open

Open

 

IRQ10

Open

Open

Open

Open

Closed

Open

Open

Open

 

IRQ11

Open

Open

Open

Open

Open

Closed

Open

Open

 

IRQ12

Open

Open

Open

Open

Open

Open

Closed

Open

 

IRQ15

Open

Open

Open

Open

Open

Open

Open

Closed

I/O BASE ADDRESS AND BOOT ROM ADDRESS

I/O Base Address

Boot ROM Address

W2

W3

»

300h - 31Fh

C800h

Closed

Closed

 

320h - 33Fh

CC00h

Open

Closed

 

340h - 35Fh

D000h

Closed

Open

 

360h - 37Fh

D400h

Open

Open

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Yellow

On

Data is not being transmitted

LED1

Yellow

Blinking

Data is being transmitted

LED2

Red

On

Data is not being received

LED2

Red

Blinking

Data is being received

LED3

Green

On

10BaseT link integrity exists

LED3

Green

Off

10BaseT link integrity test disabled

LED4

Red

Off

Polarity is correct

LED4

Red

On

Polarity is reversed

Note:LED3 is only functional when link integrity is enabled, and when installed on a 10BaseT network.