Subject: Re: OT:disable DMA access
To: Carsten Friede <>
From: Manuel Bouyer <>
List: port-pmax
Date: 12/23/2002 18:41:43
On Fri, Dec 20, 2002 at 02:54:50AM +0100, Carsten Friede wrote:
> Hi,
> beside my pmax box, I got a ix86 box also running NetBSD 1.5.2 on it.
> Dmesg showed, that something is wrong with dma busmastering and that
> interrupts are lost. So I decided to disable dma access and go down to
> PIO mode 4. That's secure, I guess. Does somebody know how I can achieve
> this?

man 4 wd

Manuel Bouyer <>
     NetBSD: 23 ans d'experience feront toujours la difference