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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.mel.connect.com.au!news.syd.connect.com.au!news.bri.connect.com.au!fjholden.OntheNet.com.au!news From: Tony Griffiths <tonyg@OntheNet.com.au> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: FreeBSD memory limits?? Date: Sat, 02 Nov 1996 13:30:26 +1000 Organization: On the Net (ISP on the Gold Coast, Australia) Lines: 29 Message-ID: <327AC052.4A3D@OntheNet.com.au> References: <32796D8E.33E8@dowco.com> Reply-To: tonyg@OntheNet.com.au NNTP-Posting-Host: swanee.nt.com.au Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.0 (WinNT; I) To: "David K. Phinney" <dphinney@dowco.com> David K. Phinney wrote: > > We run FreeBSD 2.1.5-RELEASE on an HP Pentium 75. The machine has 80MB > of RAM, > but during bootup, freebsd only reports `67108864 (65536K bytes)' real > memory. > Could someone explain to me what's going on? Please respond also by > email if > possible. > Sure... The problem is related to the way FreeBSD determines memory by reading the # of KB from the BIOS location. This is only 2 bytes long and so the 65536 KB limitation. You need to override this number by an explicit MAXMEM setting in you kernel config file. Eg. options "MAXMEM=81920" # 80MB Ram in 1KB chunks > Thanks, > > David Phinney > dowco.com network services > -- > class davidPhinney { > public: > char *dphinney@dowco.com (const char *); > void http://www.dowco.com/~dphinney (); > }; Tony