Date: Mon, 30 Jun 2003 11:54:15 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: Peter Jeremy <peter.jeremy@alcatel.com.au> Cc: freebsd-alpha@freebsd.org Subject: Re: Logically restricting RAM usage Message-ID: <20030630095414.GP90081@cicely12.cicely.de> In-Reply-To: <20030630023640.GL430@gsmx07.alcatel.com.au> References: <20030630023640.GL430@gsmx07.alcatel.com.au>
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On Mon, Jun 30, 2003 at 12:36:40PM +1000, Peter Jeremy wrote: > This should be a FAQ but I can't find it in the FAQ or the 5.1 > hardware notes. I thought it was discussed here recently, but can't > find it in either my own archives or via the FreeBSD mailing list > search. > > I have access to an AS4100 with 2.5GB RAM. I'd like to install > FreeBSD but it's not feasible to physically remove memory. I can't > find anything in the SRM to let me disable memory, is there a > bootloader option to limit memory? hw.physmem="2G" should do. You could also try http://www.cosmo-project.de/~bernd/lm-alpha.diff. Thereticaly it should add large mem support for KN300 systems, but it is not tested beyound compiling yet. You need hardware with busdma ported drivers to use this patch on a large mem system. -- B.Walter BWCT http://www.bwct.de ticso@bwct.de info@bwct.de
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