this is kind of interesting ...
---------- Forwarded message ---------- Date: Tue, 24 Sep 2002 10:02:49 -0700 From: Terry Lambert tlambert2@mindspring.com To: Danny Braniss danny@cs.huji.ac.il Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: 3.5GB memory limit?
Danny Braniss wrote:
the Addendum says: * AMD chipset architecture requieres memory above 3.5GB to be reserved for PCI devices.
We have a winner.
Q1: is this AMD specific, or also true for P3/P4?
It's chipset, not CPU specific. Your question is like asking if, because your Yugo (car) can't go faster than 100 KPH on one brand of gasoline, if it's a gasoline problem.
Q2: is there any way of accessing the 'lost' memory? ie some device driver?
No, not unless the chipset that imposes the limitation permits some form of bank selection.
-- Terry
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