Date: Thu, 28 Sep 2000 22:08:48 +0200 From: Wilko Bulte <wkb@freebie.demon.nl> To: Jeroen Ruigrok van der Werven <jruigrok@via-net-works.nl> Cc: "O. Hartmann" <ohartman@ipamzlx.physik.uni-mainz.de>, freebsd-stable@freebsd.org Subject: Re: max. amount of physical memory in FBSD 4.1? Message-ID: <20000928220848.G2685@freebie.demon.nl> In-Reply-To: <20000927141547.J10657@lucifer.bart.nl>; from jruigrok@via-net-works.nl on Wed, Sep 27, 2000 at 02:15:48PM %2B0200 References: <Pine.BSF.4.21.0009271326460.2125-100000@ipamzlx.physik.uni-mainz.de> <20000927141547.J10657@lucifer.bart.nl>
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On Wed, Sep 27, 2000 at 02:15:48PM +0200, Jeroen Ruigrok van der Werven wrote: > Guten tag, > > -On [20000927 13:35], O. Hartmann (ohartman@ipamzlx.physik.uni-mainz.de) wrote: > > [snip] > > >And what is about FreeBSD 4.1? We use now TYAN's Thunder 2500 maonboard > >which is capable to hold two CPUs and get equipted with max. 8GB main > >memory. This is a nice option because we plan to solve some memory > >intensive environtmental research calculations. So, my question seems > >to be stupid for those who understand reading kernel code, but for me, > >a kind of "normalo", please tell me: how much memory and how many CPUs > >is FreeBSD 4.1.1-STABLE capable to work with in a stable fashion? > > I have been running FreeBSD 4-STABLE and higher on SMP boxes reliable. > Those were 2 CPU boxen. For more CPU's see LINT's options: > > # Mandatory: > options SMP # Symmetric MultiProcessor > Kernel > options APIC_IO # Symmetric (APIC) I/O > > # Optional, these are the defaults plus 1: > options NCPU=5 # number of CPUs > options NBUS=5 # number of busses > options NAPIC=2 # number of IO APICs > options NINTR=25 # number of INTs > > 4 Gigabyte is currently the limit. Peter Wemm [peter@freebsd.org] is > current working on getting 8 Gigabyte supported and working. How high is the limit for alpha at the moment? I should be getting a TurboLaser at work with 10Gb of main store shortly. And 8 CPUs. So, a worthy challenge for both SMP and VM ;-) -- Wilko Bulte wilko@freebsd.org Arnhem, the Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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