Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 8 Jan 1996 13:07:18 +0100 (MET)
From:      J Wunsch <j@uriah.heep.sax.de>
To:        freebsd-current@FreeBSD.org (FreeBSD-current users)
Subject:   Re: Disposition of unknown PCI ethernet solved
Message-ID:  <199601081207.NAA00313@uriah.heep.sax.de>
In-Reply-To: <199601080948.UAA02007@genesis.atrad.adelaide.edu.au> from "Michael Smith" at Jan 8, 96 08:18:51 pm

next in thread | previous in thread | raw e-mail | index | archive | help
As Michael Smith wrote:

> Hmm, then why did I pick it? 8)  I'm aware that 0x400 is the conventional
> hardware limit for 'true' ISA, and my recollection is that there were a few
> extra address line son EISA slots, but I'm obviously hazy on that one.

Even ``true ISA'' cards get all addresses, but usually decode only the
lower 10 bits.  That's why the S3 chips with their 0x**e8 addresses
collide with a COM4 on 0x2e8 -- the latter do also recognize e.g.
0x62e8 as `their' address.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199601081207.NAA00313>