Subject: Re: Narrowing a wide scsi bus
To: Chris Ross <>
From: Eduardo Horvath <>
List: current-users
Date: 09/14/2004 16:48:14
On Tue, Sep 14, 2004 at 12:12:43AM -0400, Chris Ross wrote:
>   Hi there.  I have a machine (sparc64) which has a wide scsi 
> controller in
> it, and a wide SCSI disk, but only a narrow scsi cable.  The cases for 
> this
> are difficult to explain, but the disk has a receiver, so I can't 
> simply put
> a wide cable in.
>   Is there a way to tell NetBSD, when booting, to treat a scsibus as 
> narrow,
> and all the devices on it as narrow, regardless of what they otherwise
> negotiate?  I looked in docs and on the web, and was unable to find
> this.

Some SCSI controllers take flags to disable or enable features
for a particular target.  You need to check the driver you're
using and then set the appropriate flags in the kernel config
file for that device.