Subject: Re: motherboard recommendations?
To: Curt Sampson <>
From: Notorious B.R.I. <>
List: netbsd-users
Date: 08/07/2002 21:08:56
 Yes, an IDE bus will operate at the speed of the slowest device. This is
IDE specific, not NetBSD specific.

itai at replic d0t net

On Thu, 8 Aug 2002, Curt Sampson wrote:

> On Wed, 7 Aug 2002, Christoph Kaegi wrote:
> > Can the controller speak UDMA5 to the disk and, say, UDMA2 to the CD-ROM,
> > or will the whole channel be downgraded to UDMA2?
> I don't recall what the system said about what it was using, but I can
> say from experience that including a UDMA2 device on the same bus as a
> UDMA5 IBM IDE disk slowed down the IBM IDE disk, at least under NetBSD-current
> as of about four months ago.
> cjs
> --
> Curt Sampson  <>   +81 90 7737 2974
>     Don't you know, in this new Dark Age, we're all light.  --XTC