THOMAS-CONRAD CORPORATION

TC4045

NIC Type

Token-Ring

Transfer Rate

4/16Mbps

Data Bus

8/16-bit ISA

Topology

Ring

Wiring Type

Shielded

Unshielded twisted pair

Boot ROM

Available

FACTORY CONFIGURED SETTINGS

Jumper

Setting

JP1

Unused

Note:JP1 is not included on later versions of the card.

CABLE TYPE

Type

JP2

JP3

JP5

JP6

»

Shielded twisted pair (DB9 port)

Open

Open

Open

Open

 

Shielded/Unshielded twisted pair (RJ-45 jack)

Closed

Closed

Closed

Closed

I/O BASE ADDRESS

Address

SW1/1

SW1/2

SW1/3

»

1A20h

Off

Off

Off

 

2A20h

On

Off

Off

 

3A20h

Off

On

Off

 

3A40h

On

On

Off

 

3A60h

Off

Off

On

 

3A80h

On

Off

On

 

3AA0h

Off

On

On

 

4AE0h

On

On

On

BOOT ROM ADDRESS

Address

SW1/4

SW1/5

SW1/6

»

Disabled

Off

Off

Off

 

C400h

On

Off

Off

 

C800h

Off

On

Off

 

CC00h

On

On

Off

 

D000h

Off

Off

On

 

D400h

On

Off

On

 

D800h

Off

On

On

 

DC00h

On

On

On

WAIT STATE

Setting

SW1/7

»

Zero wait states enabled

Off

 

Zero wait states disabled

On

DMA BURST SIZE

Size

SW1/8

»

Long burst (14 microseconds)

Off

 

Short burst (10 microseconds)

On

DMA CHANNEL

Channel

SW2/1

SW2/2

»

5

Off

On

 

1

On

On

 

6

On

Off

 

7

Off

Off

INTERRUPT REQUEST

IRQ

SW2/3

SW2/4

SW2/5

»

2/9

Off

Off

Off

 

3

On

Off

Off

 

5

Off

Off

On

 

6

Off

On

Off

 

7

On

On

Off

 

10

On

Off

On

 

11

Off

On

On

 

12

On

On

On

NETWORK SPEED

Speed

SW2/6

»

16Mbps

On

 

4Mbps

Off

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

DRAM CONFIGURATION

Size

RAM settings

Bank0

128KB

Option 1

(5) 4464

512KB

Option 2

(5) 44256

2MB

Option 2

(5) 441000

CLOCK SPEED

Speed

Clock speed settings

»

System clock

Option 2

 

8MHz

Option 3

 

16MHz

Option 1

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

1

Green

On

Network connection is good

1

Green

Off

Network connection is broken

2

Red

On

Data is being transmitted or received

2

Red

Off

Data is not being transmitted or received