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OC-3117

OLICOM, INC.

OC-3117

NIC Type

Token Ring

Transfer Rate

4/16Mbps

Data Bus

16-bit ISA

Topology

Ring

Wiring Type

AUI transceiver via DB-15

Shielded Twisted Pair

Unshielded Twisted Pair

Boot ROM

Available

CONNECTIONS

Purpose

Location

Board Configuration ROM

ROM

Crystal Oscillator

OSC

RING SPEED SELECT

Setting

SW1/1

4Mbps

Off

 

16 Mbps

On

I/O ADDRESS SELECT

Address

SW1/2

SW1/3

A20 - A23, A30 - A3Fh

Off

Off

 

A24 - A27, A40 - A4Fh

On

Off

 

A50 - A53, A60 - A6Fh

Off

On

 

A54 - A57, A70 - A7Fh

On

On

RPL ROM ADDRESS

Setting

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

CC000

Off

On

On

Off

Off

 

C0000

Off

Off

Off

Off

Off

 

C2000

On

Off

Off

Off

Off

 

C4000

Off

On

Off

Off

Off

 

C6000

On

On

Off

Off

Off

 

C8000

Off

Off

On

Off

Off

 

CA000

On

Off

On

Off

Off

 

CE000

On

On

On

Off

Off

 

D0000

Off

Off

Off

On

Off

 

D2000

On

Off

Off

On

Off

 

D4000

Off

On

Off

On

Off

 

D6000

On

On

Off

On

Off

 

D8000

Off

Off

On

On

Off

 

DA000

On

Off

On

On

Off

 

DC000

Off

On

On

On

Off

 

DE000

On

On

On

On

Off

INTERRUPT SELECT

IRQ

SW2/1

SW2/2

SW2/3

IRQ2

Off

Off

Off

IRQ9

Off

Off

Off

 

IRQ3

On

Off

On

 

IRQ5

Off

On

On

 

IRQ7

On

On

On

 

IRQ10

On

Off

Off

 

IRQ11

Off

On

Off

 

IRQ12

On

On

Off

 

IRQ15

Off

Off

On

Note:If this card is installed into a PC/AT level machine the Default is IRQ9, if the machine level is PC/XT the default is IRQ2.

Note:If the Machine is a PC/XT level or this card is install into a 8-bit slot IRQ10, IRQ11, IRQ12 & IRQ15 are not available.

FACTORY CONFIGURED SETTING

Switch

Setting

SW2/7

Off

SW2/8

Off

DMA CHANNEL

Setting

SW2/4

SW2/5

SW2/6

DMA5

Off

Off

Off

 

DMA0

On

On

Off

 

DMA1

Off

Off

On

 

DMA3

On

Off

On

 

DMA6

On

Off

Off

 

DMA7

Off

On

Off

 

Programmed I/O

Off

On

On

 

Programmed I/O

On

On

On

Note:If this board is installed into a PC/XT level machine or an 8-bit slot then Programmed I/O is used, and the Switch settings are non-functional.