From owner-freebsd-hackers  Wed Dec  6 06:14:46 1995
Return-Path: owner-hackers
Received: (from root@localhost)
          by freefall.freebsd.org (8.7.3/8.7.3) id GAA14570
          for hackers-outgoing; Wed, 6 Dec 1995 06:14:46 -0800 (PST)
Received: from gilberto.physik.rwth-aachen.de (gilberto.physik.rwth-aachen.de [137.226.31.2])
          by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id GAA14504
          for <freebsd-hackers@freefall.FreeBSD.org>; Wed, 6 Dec 1995 06:12:32 -0800 (PST)
Received: (from kuku@localhost) by gilberto.physik.rwth-aachen.de (8.6.11/8.6.9) id PAA22744 for freebsd-hackers@freefall.cdrom.com; Wed, 6 Dec 1995 15:09:32 +0100
Date: Wed, 6 Dec 1995 15:09:32 +0100
From: "Christoph P. Kukulies" <kuku@gilberto.physik.rwth-aachen.de>
Message-Id: <199512061409.PAA22744@gilberto.physik.rwth-aachen.de>
To: freebsd-hackers@freefall.FreeBSD.org
Subject: dma beyond isa with a AH1542?
Sender: owner-hackers@FreeBSD.ORG
Precedence: bulk


I built a new kernel for my non-IDE system running from a
AH1542A. Is this board limited to 16MB? I have 20MB Ram,
disabled option BOUNCE_BUFFERS since I thought this was not
necessary when running a busmaster DMA controller
but got a panic after the dma beyond ISA message during boot.


--Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de