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Article #6084

Re: ethernet board for MAC II

#6084
From: William Roberts
Date: Wed, 31 Jan 1990 15:17
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In article <5646@ncrcae.Columbia.NCR.COM> wingo@ncrcae.Columbia.NCR.COM (Dave Wingo) writes:
>Can anyone give me the model number of the Kinetics Ethernet controller
>for the MAC II. I an interested in purchasing one. Cost estimates would also
>be appreciated. Also is this a good Ethernet card or are there betters one
>I should be looking at????

This card works OK (we have 50 Mac IIs with Kinetics EtherPort
II cards), but it isn't very suitable for use with A/UX because
the initialisation routine on the NuBus card sets the card to
generate NuBus interrupts immediately. Under MacOS this is not
a problem because the driver on the card is installed at the
same time, but under A/UX the kernel may need to autoconfigure
before it has an appropriate interrupt handler installed. Sure
enough, if you try to autoconfigure an A/UX kernel on a machine
with an EtherPort II card which is connected to an active
Ethernet, the whole thing fails in a withering hail of NuBus
interrupts (too many War Comics as a child!).

Comment from the Kinetics people who read this newsgroup?
-- 

William Roberts                 ARPA: liam@cs.qmw.ac.uk
Queen Mary & Westfield College  UUCP: liam@qmw-cs.UUCP
Mile End Road                   AppleLink: UK0087
LONDON, E1 4NS, UK              Tel:  01-975 5250 (Fax: 01-980 6533)
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Message-ID: <1576@sequent.cs.qmw.ac.uk>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!ukc!icdoc!qmw-cs!liam
References: <5646@ncrcae.Columbia.NCR.COM>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!ukc!icdoc!qmw-cs!liam
From: liam@cs.qmw.ac.uk (William Roberts)
Newsgroups: comp.protocols.appletalk
Subject: Re: ethernet board for MAC II
Keywords: Kinetics Ethernet for MAC II
Message-ID: <1576@sequent.cs.qmw.ac.uk>
Date: 31 Jan 90 15:17:45 GMT
References: <5646@ncrcae.Columbia.NCR.COM>
Reply-To: liam@cs.qmc.ac.uk (William Roberts)
Organization: Computer Science Dept, Queen Mary and Westfield College, U of London, UK.
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