Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops

[Pavel Machek <pavel@ucw.cz>]

Hi!

> a spec sheet, or even better a machine.   I may have an original PC-XT 
> still lying around in the attic, don't know if I can fire it up, but it had 
> such graphics cards.  I also have several early high-speed clones that were 
> "overclocked".

PC-XT does not count ... it needs to be 386 capable to
count... Hmm.. but we have ucLinux now, so maybe PC-XT does count.

>> Which requires care. Have you verified all the main chipset vendors ?
>>
>>   
> I obviously have not.   Clearly the guys who want this port 80 hack so 
> desperately have not either.  That's why we are in this pickle.

Noone _wants_ this port 0x80 hack. We already have it, had it for 10+
years, and now we are trying to get rid of it -- _safely_.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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