THOMAS-CONRAD CORPORATION

TC4043

NIC Type

Token Ring

Transfer Rate

16Mbps/4Mbps

Data Bus

8-bit ISA/16-bit ISA

Topology

Ring

Wiring Type

Shielded/Unshielded twisted pair

Boot ROM

Available (location unidentified)

INTERRUPT SELECTION

IRQ

SW1/7

SW1/8

2/9

Off

Off

3

Off

On

6

On

Off

7

On

On

RAM SIZE SELECTION

Size

SW2/2

SW2/3

16KB

On

Off

64KB

On

On

BASE I/O ADDRESS SELECTION

Address

SW2/1

Primary (A20h)

On

Alternate (A24h)

Off

ROM ADDRESS SELECTION

Address

SW1/3

SW1/4

SW1/5

SW1/6

C0000h

Off

Off

Off

Off

C2000h

Off

Off

Off

On

C4000h

Off

Off

On

Off

C6000h

Off

Off

On

On

C8000h

Off

On

Off

Off

CA000h

Off

On

Off

On

CC000h

Off

On

On

Off

CE000h

Off

On

On

On

D0000h

On

Off

Off

Off

D2000h

On

Off

Off

On

D4000h

On

Off

On

Off

D6000h

On

Off

On

On

D8000h

On

On

Off

Off

DA000h

On

On

Off

On

DC000h

On

On

On

Off

DE000h

On

On

On

On

RING SPEED SELECTION

Speed

SW2/4

4Mbps

Off

16Mbps

On

BLOCK DECODE SIZE SELECTION

Size

SW2/8

16KB

On

128KB

Off

BOOT ROM SELECTION

Setting

JP1

Disabled

Closed

Enabled

Open

FORCED 8-BIT MODE SELECT

Mode

JP2

8-bit transfer forced

Closed

16-bit transfer allowed

Open

FACTORY CONFIGURED - DO NOT ALTER

Switch

Setting

SW2/5

On

SW2/6

On

SW2/7

On