D-LINK

DT-220

NIC Type

Token-Ring

Transfer Rate

4/16Mbps

Data Bus

16-bit ISA

Topology

Ring

Wiring Type

Unshielded twisted pair

Shielded twisted pair (DB-9 port)

Boot ROM

Available (Built-in Remote Program Load)

BOOT ROM ADDRESS

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

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

INTERRUPT REQUEST

IRQ

SW1/7

SW1/8

 

2/9

On

On

»

3

On

Off

 

7

Off

Off

PRIMARY/SECONDARY CARD SELECT

Setting

SW1/9

»

Primary

Off

 

Secondary

On

Note:If two NICs are installed in a system, one must be set to primary, and the other to secondary.

SHARED MEMORY SIZE

Size

SW1/10

SW1/11

 

8KB

On

On

»

16KB

Off

On

 

32KB

On

Off

 

64KB

Off

Off

Note:The 16KB option is the only setting that supports memory paging.

NETWORK SEGMENT SPEED

Speed

SW1/12

16Mbps

Off

4Mbps

On

Note:All NICs on the network segment must be set to the same speed.

DIAGNOSTIC LED(S)

Amber LED

Green LED

Condition

On

Off

Network speed is set to 4Mbps

Off

On

Network speed is set to 16Mbps

Note:The amber LED will light momentarily when power is applied to the NIC. The appropriate LED will