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Message-ID: <20080104154914.GA589@codeblau.de>
Date: Fri, 4 Jan 2008 16:49:14 +0100
From: felix-linuxkernel@...e.de
To: linux-kernel@...r.kernel.org
Subject: memory remapping, 4gb memory on 945gt
I recently put 4 GB of memory in my Acer Travelmate 8210 series
notebook. The BIOS only detects 3 GB.
I googled around a little. It appears to be a chipset limitation of the
945gt, which uses the fourth gig for devices.
Now I can understand this explanation for 32-bit mode, but I'm running
in 64-bit mode. There should be a way to use the fourth gig under
Linux. Is there?
Has anyone else solved this problem? What happens if you just use the
mem= option to tell the kernel you have 4 GB? I'd just try it but I
don't want to corrupt my buffer cache and get crap writte over my data
on disk.
Any advice?
Felix
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