OLICOM-logoOLICOM OC-3117 Network Interface Card

OLICOM-OC-3117-Network-Interface-Card-product

The Network Interface Card Technical Guide

Olicom, Inc. OC-3117

Specifications

NIC Type Token Ring
Transfer Rate 4/16 Mbps
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
16 Mbps Off
4 Mbps On

I/O Address Select

Address SW1/2 SW1/3
A24 – A27, A40 – A4Fh Off Off
A50 – A53, A60 – A6Fh On Off
A54 – A57, A70 – A7Fh Off On

RPL ROM Address

Setting SW1/4 SW1/5 SW1/6 SW1/7 SW1/8
C0000 Off On On Off Off
C2000 Off Off On Off Off
C4000 On Off Off Off Off

Interrupt Select

IRQ SW2/1 SW2/2 SW2/3
IRQ3 Off Off Off
IRQ5 On Off On
IRQ7 Off On On
IRQ10 On On On

Factory Configured Setting

Switch Setting
SW2/7 Off
SW2/8 Off

DMA Channel

Setting SW2/4 SW2/5 SW2/6
DMA0 Off Off Off
DMA1 On On Off
DMA3 Off Off On
DMA6 On Off On

Notes

  • 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.
  • If the machine is a PC/XT level or this card is installed into an 8-bit slot, IRQ10, IRQ11, IRQ12 & IRQ15 are not available.
  • 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.

FAQ

  • What is the transfer rate of the OC-3117 NIC?
    The transfer rate is 4/16 Mbps.
  • What type of data bus does the OC-3117 use?
    It uses a 16-bit ISA data bus.
  • Is a Boot ROM available for this NIC?
    Yes, a Boot ROM is available.
  • What are the default IRQ settings for different machine levels?
    For PC/AT level machines, the default is IRQ9, and for PC/XT level machines, it is IRQ2.

OLICOM, INC. O C – 3 1 1 7

  • 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 availableOLICOM-OC-3117-Network-Interface-Card-
CONNECTIONS
Purpose Location
Board Configuration ROM ROM
Crystal Oscillator OSC
RING SPEED SELECT
Setting SW1/1
í 4Mbps Off
16 Mbps On
I/O ADDRESS SELECT
Addres s SW1/2 SW1/3
í A20 – A23, A30 – A3Fh Off Off
A24 – A27, A40 – A4Fh On Off
A50 – A53, A60 – A6Fh Off On
A54 – A57, A70 – A7Fh On On

OLICOM, INC.
O C – 3 1 1 7

RPL ROM ADDRESS
Setting SW1/4                    SW1/5                    SW1/6                    SW1/7                    SW1/8
í 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 S W2/1                                   S W2/2                                   S W2/3
í IRQ2 Off Off Off
í 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

THE NETWORK INTERFACE CARD TECHNICAL GUIDE

OLICOM, INC. O C – 3 1 1 7

DMA CHANNEL
Set ting S W2/4                                  S W2/5                                  S W2/6
í 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.

Documents / Resources

OLICOM OC-3117 Network Interface Card [pdf] User Guide
OC-3117 Network Interface Card, OC-3117, Network Interface Card, Interface Card, Card

References

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