linux-kernel - Re: [PATCH] x86_64: fix problems due to use of "outb" to port 80 on some AMD64x2 laptops, etc.

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Message-ID: <20071218000608.05493fa3@the-village.bc.nu>
Date:	Tue, 18 Dec 2007 00:06:08 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Pavel Machek <pavel@....cz>
Cc:	Rene Herman <rene.herman@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	"David P. Reed" <dpreed@...d.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH] x86_64: fix problems due to use of "outb" to port 80 on
 some AMD64x2 laptops, etc.

> > By the way, you have a 300 MHz 486? I believe 3 -> 40, 4 -> 133, 5 -> 233 
> > would be good? And I'm not really sure about the etc. P6 has a large range 
> > again...
> 
> Some nexgen 5x86 boxes were pretty fast, still could not do 486... so
> family 3 iirc.

300MHz 486 -> Nat Semi Geode.

NextGen as you say are 386 - 586 depending on the BIOS hypercode but I
believe lack WP even in > 386 mode.

Alan
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