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Date:      Wed, 21 Jan 1998 18:37:28 +1030
From:      Mike Smith <mike@smith.net.au>
To:        hosokawa@ntc.keio.ac.jp (HOSOKAWA Tatsumi)
Cc:        mike@smith.net.au, trost@cloud.rain.com, mobile@FreeBSD.ORG
Subject:   Re: problems with SVEC NE2000 clone 
Message-ID:  <199801210807.SAA01496@word.smith.net.au>
In-Reply-To: Your message of "Wed, 21 Jan 1998 10:56:05 %2B0900." <199801210156.KAA17910@afs.ntc.mita.keio.ac.jp> 

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> In article <199801210127.LAA00413@word.smith.net.au>
> mike@smith.net.au writes:
> 
> >> The 'ed' driver obtains the MAC address from the 8390 core; I'm not 
> >> aware of any 8390 clones that don't do this right.
> 
> But some Ethernet PC-cards only returns 00:00:00:00:00:00 for this
> request.  These cards have MAC address on CIS functional ext tupple or
> attribute memory of the card.  I think this is a cost issue, because
> PC-card always have eeprom memory that can be appropreated to store
> such ID's.

It's possible (hey, it's certain, I don't expect you to lie) that some 
cards behave like this, but it's quite surprising.

Most 8390 clones load their MAC address from a serial EEPROM; many of 
the integrated PCCARD 8390's use the same EEPROM that the CIS comes in 
from.

How many cards do you know of that exhibit this behaviour?

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\ 





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