Date: Wed, 6 Oct 2004 08:32:06 +0200 From: Wilko Bulte <wb@freebie.xs4all.nl> To: Marcel Moolenaar <marcel@xcllnt.net> Cc: cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/ia64/ia64 machdep.c Message-ID: <20041006063206.GA24068@freebie.xs4all.nl> In-Reply-To: <3E1495F0-1748-11D9-B102-000D93C47836@xcllnt.net> References: <200410060243.i962hSjr099465@repoman.freebsd.org> <20041005220848.G560@odysseus.silby.com> <3E1495F0-1748-11D9-B102-000D93C47836@xcllnt.net>
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On Tue, Oct 05, 2004 at 08:31:43PM -0700, Marcel Moolenaar wrote.. > On Oct 5, 2004, at 8:09 PM, Mike Silbersack wrote: > > >> Log: > >> Add the Madison II, which is the second generation Madison. The > >>Madison II > >> is model 2 in the Itanium 2 family and has up to 9MB of L3 cache and > >>clocks > >> higher than 1.5Ghz. There's no LV variant AFAICT. > >> > >> Revision Changes Path > >> 1.190 +3 -0 src/sys/ia64/ia64/machdep.c > > > >If I get a quad processor Madison II system, can I boot w/o ram? :) > > Alas, you need at least 8 cpus because we load the kernel at 64MB. A > video > card with at least 32MB can be used as a workaround and gives the > cheapest configuration. > > :-) Interestingly enough this is what we used to repair / diagnose Alpha machines: diag code and/or a special version of the SRM console code was directly loaded via the SROM port into the CPU cache. In that way you could run code with a hosed memory subsystem. W/ -- Wilko Bulte wilko@FreeBSD.org
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