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From: Paul Mackerras <paulus@samba.org>
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Message-ID: <15481.26582.444363.148078@argo.ozlabs.ibm.com>
Date: Mon, 25 Feb 2002 09:23:18 +1100 (EST)
To: Vojtech Pavlik <vojtech@suse.cz>
Cc: Troy Benjegerdes <hozer@drgw.net>,
        Martin Dalecki <dalecki@evision-ventures.com>,
        Linus Torvalds <torvalds@transmeta.com>,
        Andre Hedrick <andre@linuxdiskcert.org>,
        Rik van Riel <riel@conectiva.com.br>,
        Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Flash Back -- kernel 2.1.111
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Vojtech Pavlik writes:
> On Mon, Feb 25, 2002 at 09:03:10AM +1100, Paul Mackerras wrote:
> > Vojtech Pavlik writes:
> > 
> > > > 83 MHz     55 MHz          41 MHz    0111 1101
> > > 
> > > This one is a problem, because 41*2 != 55. However, this is also illegal
> > > according to the PCI spec.
> > 
> > Where does the PCI spec say that is illegal?
> 
> Well, I'm assuming the 41 MHz clocked bus is not a 66-MHz type PCI bus
> (doesn't have the 66 MHz bit set and can't operate at 20.5 MHz if you
> plug in a card that can't do 66 MHz operation), rather it's an
> overclocked 33 MHz bus.

Yes, of course the 41MHz bus would have to conform to the rules for
66MHz buses.  Does it, Troy?

Paul.
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