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LAN4TR-AT

ZENITH DATA SYSTEMS

LAN4TR-AT

NIC Type

Token-Ring

Transfer Rate

4Mbps

Data Bus

16-bit ISA

Topology

Ring

Wiring Type

Shielded/Unshielded twisted pair

Boot ROM

Available

LLC EPROM ENABLED

Setting

JP1

External EPROMs disabled

Closed

 

External EPROMs enabled

Open

Note:The LLC EPROMs contain the Logic Link Control program. The card will function properly with the LLC chips

I/O BASE ADDRESS

Address

SW1/1

SW1/2

A00 - A0Fh

On

On

A20 - A2Fh

On

Off

A40 - A4Fh

Off

On

A60 - A6Fh

Off

Off

INTERRUPT REQUEST

IRQ

SW1/3

SW1/4

3

On

On

9

On

Off

10

Off

On

11

Off

Off

BOOT ROM ADDRESS

Address

Boot ROM Size

SW1/5

SW1/6

CC000 - CCFFFh

4KB

On

On

D0000 - D3FFFh

16KB

On

Off

D8000 - D8FFFh

4KB

Off

On

DC000 - DFFFFh

16KB

Off

Off

DMA CHANNEL

Channel

SW1/7

SW1/8

DMA0

On

On

DMA5

On

Off

DMA6

Off

On

DMA7

Off

Off