DragonFly BSD
DragonFly bugs List (threaded) for 2010-03
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Re: Kernel only detection 2 GB of memory on AMD

From: "Thomas E. Spanjaard" <tgen@xxxxxxxxxxxxx>
Date: Tue, 02 Mar 2010 08:45:09 +0000

Vincent Stemen wrote:
> One more thing.  There is a brief message we didn't catch before right
> at the start, when booting, that says X amount of memory above 4 GB is
> ignored.  I don't know how to capture it.  It doesn't go into the
> syslog.  That seems to indicate that Dragonfly is apparently seeing all
> the memory initially. 

Looks like your BIOS is remapping memory above 4Gibyte in some cases
automatically, to make room for PCI memio mappings etc. If you want to
make use of the additional memory, you have to run pc64.
	Thomas E. Spanjaard

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