From owner-freebsd-alpha Fri Oct 18 13:13:28 2002 Delivered-To: freebsd-alpha@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EE55D37B406 for ; Fri, 18 Oct 2002 13:13:25 -0700 (PDT) Received: from badboy.mail.pas.earthlink.net (badboy.mail.pas.earthlink.net [207.217.120.20]) by mx1.FreeBSD.org (Postfix) with ESMTP id 362C543E65 for ; Fri, 18 Oct 2002 13:13:25 -0700 (PDT) (envelope-from tlambert2@mindspring.com) Received: from swan.mail.pas.earthlink.net (swan.mail.pas.earthlink.net [207.217.120.123]) by badboy.mail.pas.earthlink.net (8.11.6+Sun/8.11.6) with ESMTP id g9IJnmE09726 for ; Fri, 18 Oct 2002 12:49:48 -0700 (PDT) Received: from pool0209.cvx21-bradley.dialup.earthlink.net ([209.179.192.209] helo=mindspring.com) by swan.mail.pas.earthlink.net with esmtp (Exim 3.33 #1) id 182d6P-0001Zv-00; Fri, 18 Oct 2002 12:48:10 -0700 Message-ID: <3DB06532.5F566701@mindspring.com> Date: Fri, 18 Oct 2002 12:46:58 -0700 From: Terry Lambert X-Mailer: Mozilla 4.79 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Wilko Bulte Cc: ticso@cicely.de, Josh Tolbert , Andrew Gallatin , freebsd-alpha@FreeBSD.ORG Subject: Re: Machine Check when booting dqa0? References: <15790.54958.628923.428888@grasshopper.cs.duke.edu> <20021018034632.E42572-100000@view.scoundrelz.net> <20021018134330.B43173@freebie.xs4all.nl> <20021018130729.GJ465@cicely8.cicely.de> <20021018160345.A43412@freebie.xs4all.nl> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Wilko Bulte wrote: > > > I'm 99% sure this box uses FPM ECC RAMS, not EDO. > > > > It's designed to run with FPM ECC PS/2 Simms at 70ns. > > But it shouldn't matter if you plug in EDO Simms as the chipsset can't > > interleave - the board is single banked anyway. > > A couple of my colleagues were responsible for qualing/sourcing RAMs. > They told me, and had data to prove it, that ALphas can be quite picky for > their memory. Trying other memory might be a good idea. Mine is picky enough that it refuses to run if you use Simms with gold connectors instead of tin. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message