From owner-freebsd-bugs  Wed Jul 24 10:10: 9 2002
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Date: Wed, 24 Jul 2002 10:10:04 -0700 (PDT)
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Cc: 
From: Damon Anton Permezel <dap@damon.com>
Subject: Re: kern/38894: Dell PowerEdge 4600 PCI Bus scan problems
Reply-To: Damon Anton Permezel <dap@damon.com>
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The following reply was made to PR kern/38894; it has been noted by GNATS.

From: Damon Anton Permezel <dap@damon.com>
To: Jung-uk Kim <jkim@niksun.com>
Cc: Andrew Gallatin <gallatin@cs.duke.edu>,
	freebsd-gnats-submit@FreeBSD.org
Subject: Re: kern/38894: Dell PowerEdge 4600 PCI Bus scan problems
Date: Wed, 24 Jul 2002 12:01:08 -0500

 On Wed, Jul 24, 2002 at 12:48:48PM -0400, Jung-uk Kim wrote:
 > Andrew Gallatin wrote:
 > > Damon Anton Permezel writes:
 > >  > chip4@pci0:15:0:	class=0x060000 card=0x02011166 chip=0x02011166 rev=0x93
 > >  > hdr=0x00 vendor   = 'Reliance Computer Corp./ServerWorks'
 > >  >     device   = 'CSB5 PCI to ISA Bridge'
 > >  >     class    = bridge
 > >  >     subclass = HOST-PCI
 > >
 > > This is interesting.  According to the class code, it IS a host-pci
 > > bridge on Damon's Dell, and not an isa bridge like the device ID code
 > > on file would indicate.
 > 
 > Indeed it is very interesting. I don't know it is possible or not but it seems 
 > the chip can 'act like a PCI bridge' when the following function is enabled.
 > 
 > isab0@pci0:15:3:	class=0x060100 card=0x02301166 chip=0x02251166 rev=0x00 
 > hdr=0x00
 >      vendor   = 'Reliance Computer Corp./ServerWorks'
 >      class    = bridge
 >      subclass = PCI-ISA
 > 
 
 It can act like a PCI bridge because it is, among other things, a PCI bridge.
 Take a look at the documentation at serverworks.com per the link
 I posted yesterday.  It is a multi-function device.

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