THOMAS-CONRAD CORPORATION

TC4043 TROPIC

NIC Type

Token Ring

Transfer Rate

4/16Mbps

Data Bus

16-bit ISA

Topology

Ring

Wiring Type

Shielded twisted pair via DB-9 port

Boot ROM

In firmware

BASE I/O ADDRESS

Address

SW2/switch 1

»

OA20h

Off

 

OA24h

On

BLOCK DECODE SIZE

Size

SW1/switch 8

»

16KB

Off

 

128KB

On

Note:This setting should only be changed if the TC4043 is installed in a IBM Personal System/2 Model 30-286 or if the adapter fails to initialize when set to the default 16KB block decode size.

BOOT ROM

Setting

P5

»

Disabled

Open

 

Enabled

Closed

BUS WIDTH SELECTION

Setting

P6

»

Force 8-bit operation

Closed

 

Auto slot sense enabled

Open

FACTORY CONFIGURED SETTINGS

Switch

Setting

SW2/switch 5

Off

SW2/switch 6

Off

SW2/switch 7

Off

INTERRUPT REQUEST

IRQ

SW1/switch 7

SW1/switch 8

»

IRQ2

On

Off

 

IRQ3

On

On

 

IRQ6

Off

On

 

IRQ7

Off

Off

NETWORK SPEED

Speed

SW2/switch 4

»

16Mbps

On

 

4Mbps

Off

ROM MEMORY MAPPED I/O ADDRESS

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

»

CC000h

Off

On

On

Off

Off

On

 

DC000h

Off

On

Off

Off

Off

On

 

C0000h

Off

On

On

On

On

On

 

C2000h

Off

On

On

On

On

Off

 

C4000h

Off

On

On

On

Off

On

 

C6000h

Off

On

On

On

Off

Off

 

C8000h

Off

On

On

Off

On

On

 

CA000h

Off

On

On

Off

On

Off

 

CC000h

Off

On

On

Off

Off

On

 

CE000h

Off

On

On

Off

Off

Off

 

D0000h

Off

On

Off

On

On

On

 

D2000h

Off

On

Off

On

On

Off

 

D4000h

Off

On

Off

On

Off

On

 

D6000h

Off

On

Off

On

Off

Off

 

D8000h

Off

On

Off

Off

On

On

 

DA000h

Off

On

Off

Off

On

Off

 

DC000h

Off

On

Off

Off

Off

On

 

DE000h

Off

On

Off

Off

Off

Off

SHARED RAM SIZE

Size

SW2/switch 2

SW2/switch 3

»

16KB

Off

On

 

64KB

Off

Off