From owner-freebsd-tokenring  Thu Apr 23 09:14:00 1998
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Message-ID: <353F6861.2E946067@pipeline.ch>
Date: Thu, 23 Apr 1998 18:12:17 +0200
From: "IBS / Andre Oppermann" <andre@pipeline.ch>
Organization: Internet Business Solutions Ltd. (AG)
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To: tokenring@FreeBSD.ORG
Subject: DIP switches on IBM cards
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Just found the docs for an IBM 16bit 16/4 TokenRing card...

DIP Switch Block S1: (* default)

 S1-1, Media Type,
  on*=STP (DB9 connector)
  off=UTP (RJ45 connector)

 S1-2, Remote Program Load (RPL)
  on*=RPL enable
  off=RPL disable

DIP Switch Block S2:

 S2-1..6, ROM address
  OFF-ON-ON-OFF-OFF-ON*=ROM address CC000
  OFF-ON-OFF-OFF-OFF-ON=ROM address DC000

 S2-7..8, Interrupt
  ON-ON*=IRQ2
  ON-OFF=IRQ3
  OFF-ON=IRQ6
  OFF-OFF=IRQ7

 S2-9, Primary Aternate Switch
  ON=  Alternate Adapter
  OFF*=Primary Adapter

 S2-10..11, Shared RAM
  ON-ON=  8KB
  OFF-ON*=16KB
  ON-OFF= 32KB
  OFF-OFF=64KB

 S2-12, Data Rate
  OFF*=16Mbps
  ON  =4Mbps

Jumper for 8/16Bit Mode (of the ISA Bus)

 3Pin Jumper in the upper left, next to the DIP switches
  1-2=8-bit Mode
  2-3=8/16bit Mode autoselect/detect

Hope that helps...

-- 
Andre Oppermann

CEO / Geschaeftsfuehrer
Internet Business Solutions Ltd. (AG)
Hardstrasse 235, 8005 Zurich, Switzerland
Fon +41 1 277 75 75 / Fax +41 1 277 75 77
http://www.pipeline.ch    ibs@pipeline.ch

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