From owner-freebsd-alpha Tue Nov 19 14:14:25 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 3881537B401 for ; Tue, 19 Nov 2002 14:14:24 -0800 (PST) Received: from aromo.spock.cl (aromo.spock.cl [200.27.125.98]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9F89343E97 for ; Tue, 19 Nov 2002 14:14:17 -0800 (PST) (envelope-from roberto@spock.cl) Received: from spock.cl (multia.spock.cl [200.27.125.107]) by aromo.spock.cl (8.11.1/8.9.3) with ESMTP id gAJMFGj81609 for ; Tue, 19 Nov 2002 19:15:16 -0300 (CLST) Message-ID: <3DDAB7A7.6060909@spock.cl> Date: Tue, 19 Nov 2002 19:13:59 -0300 From: Roberto de Iriarte User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-US; rv:1.1) Gecko/20020826 X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-alpha@FreeBSD.ORG Subject: Re: Alphastation 500 References: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit 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 Sten wrote: >Just wondering if someone could update the fbsd alpha >hardware guide to reflect the fact that the alphastation >500 does NOT use regular ecc sdram dimms, ( this >one just caught me big time ). > >My current guess is that it uses 5v edo/fp dimms. >( based on the difference in the notches, and the >fact that 5v only exists for fp/edo ). > >Though no-one really seems to know :(. > >If someone knows the memory type then I'd like >to know because it would save me loads of time >chasing down the original stuff. > > > I am quite positive that the alphastation 500 uses 5v FPM DIMM´s arranged in two banks of four rows each (I think the bus is 256 bit wide, or was it 128 bit wide with 2 way interleave ?). The dimm´s need to be 72 bit wide (ECC). I will try to find the complete spec (speed, arrangement, etc.) EDO is not supported on the 500/333 that i have. The 500/500 has a different mainboard, so this could (should) not apply to it. Regards Roberto To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message