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Date: Wed, 01 May 96 19:49:10 PST
From: "Brett Glass" <Brett_Glass@ccgate.infoworld.com>
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To: Michael Smith <msmith@atrad.adelaide.edu.au>
Cc: luigi@labinfo.iet.unipi.it, phk@critter.tfs.com, kallio@cc.jyu.fi,
        questions@FreeBSD.org, hardware@FreeBSD.org
Subject: Re: ** Someone experience making Boot ROM for Ethernet card?
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> 2) The code is not even visible when looking at the area of memory where
>    it should be.  Unless the machine they're looking on has decided that
>    the segment isn't the home of a ROM and thus mapped it out (unlikely),
>    the card's not decoding the accesses.

The SMC Elite also uses shared RAM. Are you sure that the address you've
set isn't the address of the shared memory window rather than that of the
ROM? Or that you haven't set both to the same address (in which case the
RAM might "win")?