Subject: Re: changing rates with siop(4)
To: Manuel Bouyer <bouyer@antioche.lip6.fr>
From: Jason R Thorpe <thorpej@zembu.com>
List: netbsd-help
Date: 05/16/2001 15:31:12
On Wed, May 16, 2001 at 11:06:07PM +0200, Manuel Bouyer wrote:

 > On Wed, May 16, 2001 at 01:50:59PM -0600, Chris Jones wrote:
 > > So, I'm fighting with this raid setup I've got.  In hopes of figuring
 > > out why I'm getting SCSI errors, I thought I'd lower the transfer rate
 > > from 20MHz to 10MHz.  I went into the BIOS config program for the
 > > adapter, and I changed the appropriate values.  Upon rebooting, though,
 > > NetBSD is still running those devices at max speed.  I don't see
 > > anything in the siop(4), scsi(4), or sd(4) man pages that looks like
 > > I can change rates there.  What do I do?
 > > 
 > > This is i386, 1.5.1_ALPHA or _BETA (don't remember which).
 > 
 > Hum, there's no way to change this without recompiling a kernel.

We should be reading the EEPROM settings.

 > You'll have to edit sys/dev/pci/siop_pci_common.c and change the entry in
 > siop_products[] for your board; I think you just need to change
 > 125 to 250.
 > 
 > --
 > Manuel Bouyer <bouyer@antioche.eu.org>
 > --

-- 
        -- Jason R. Thorpe <thorpej@zembu.com>