Subject: Re: UltraDMA problems under 1.6F (probably hardware)
To: Frank van der Linden <>
From: Richard Earnshaw <>
List: current-users
Date: 08/15/2002 15:05:50
> On Wed, Aug 14, 2002 at 07:25:14AM -0400, gabriel rosenkoetter wrote:
> > Hrm. That's three different controllers, counting mine (Acer Labs
> > M5229 rev. 0xc4). Well, unless your Asus motherobard has a Via IDE
> The Acer controller always produces these errors on the first few
> accesses (at least, it does under NetBSD, I don't know about other
> OSs). It has done so ~forever.
> In my mail/NAT machine, I have:
> pciide0 at pci0 dev 15 function 0: Acer Labs M5229 UDMA IDE Controller (rev. 0xc
> 1)
> That gives me one error and a downgrade message after boot, and after that
> it remains perfectly happy, so I've never investigated this.

I've seen this on the Cats board as well.  Not sure precisely which chip 
but it is an Acer Labs one doing UDMA/33.