From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from cthulhu.engr.sgi.com (cthulhu.engr.sgi.com [192.26.80.2]) by neteng.engr.sgi.com (980427.SGI.8.8.8/970903.SGI.AUTOCF) via ESMTP id NAA78212 for ; Wed, 20 Jan 1999 13:26:52 -0800 (PST) Return-Path: Received: (from majordomo-owner@localhost) by cthulhu.engr.sgi.com (980427.SGI.8.8.8/970903.SGI.AUTOCF) id NAA88782 for linux-list; Wed, 20 Jan 1999 13:25:54 -0800 (PST) mail_from (owner-linux@relay.engr.sgi.com) Received: from dataserv.columbus.sgi.com (dataserv.columbus.sgi.com [169.238.139.130]) by cthulhu.engr.sgi.com (980427.SGI.8.8.8/970903.SGI.AUTOCF) via SMTP id NAA89474 for ; Wed, 20 Jan 1999 13:25:51 -0800 (PST) mail_from (david@carrera.columbus.sgi.com) Received: from carrera.columbus.sgi.com by dataserv.columbus.sgi.com via ESMTP (951211.SGI.8.6.12.PATCH1502/930416.SGI) id QAA26794; Wed, 20 Jan 1999 16:25:48 -0500 Received: (from david@localhost) by carrera.columbus.sgi.com (980427.SGI.8.8.8/970903.SGI.AUTOCF) id QAA40257; Wed, 20 Jan 1999 16:18:05 -0500 (EST) Date: Wed, 20 Jan 1999 16:18:05 -0500 (EST) From: david@carrera.columbus.sgi.com (David Watters) Message-Id: <9901201618.ZM39458@carrera.columbus.sgi.com> In-Reply-To: kck@mailbox.esd.sgi.com (Ken Klingman) "Re: [Fwd: linus.linux.sgi.com]" (Jan 19, 6:36pm) References: <199901200236.SAA12779@mailbox.esd.sgi.com> X-Mailer: Z-Mail-SGI (3.2S.3 08feb96 MediaMail) To: kck@mailbox.esd.sgi.com (Ken Klingman), offer@morgaine.engr.sgi.com (Richard Offer) Subject: Re: [Fwd: linus.linux.sgi.com] Cc: linux@cthulhu.engr.sgi.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux@cthulhu.engr.sgi.com Precedence: bulk On Jan 19, 6:36pm, Ken Klingman wrote: > Subject: Re: [Fwd: linus.linux.sgi.com] > > The VW 320 and 540 use 288-bit wide synchronous DRAM, clocked > at 100MHz. 288 bits means it's not your everyday PC SDRAM. But it is! It is just laid out differently. Industry standard SDRAM chips but to get the wider memory path they layed them out differently. They used a different JDEC standard DIMM (the same as in some notebooks) because the motherboard would have been a mess using the giant, more commond desktop-PC JDEC standard modules. The idea is a high-bandwith arch. at PC prices and to do that you have to make some tough decisions. Otherwise the OCTANE is a far better (and $) arch. that is just dying for faster processors and next-gen graphics. Who cares. It is all in the application performance. We will soon see... -- David Watters | Silicon*Graphics Systems Engineer | http://www.sgi.com/ Silicon Graphics, Inc.| http://reality.sgi.com/davester/ (6/13/97) david.watters@sgi.com | 1.800.800.SGI1 (Sales) 1.800.800.4SGI (Support) DID 1.614.844.3820 | http://www.nintendo.com/ (N64, the $130 SGI!) From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 20 Jan 1999 16:18:05 -0500 (EST) From: david@carrera.columbus.sgi.com (David Watters) Message-ID: <9901201618.ZM39458@carrera.columbus.sgi.com> In-Reply-To: kck@mailbox.esd.sgi.com (Ken Klingman) "Re: [Fwd: linus.linux.sgi.com]" (Jan 19, 6:36pm) References: <199901200236.SAA12779@mailbox.esd.sgi.com> Subject: Re: [Fwd: linus.linux.sgi.com] Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux@cthulhu.engr.sgi.com To: Ken Klingman , Richard Offer Cc: linux@cthulhu.engr.sgi.com Message-ID: <19990120211805.lzoDpozHIN1WGkROXzM5h7zBgs0HUboqdqB1Vj-KFEY@z> On Jan 19, 6:36pm, Ken Klingman wrote: > Subject: Re: [Fwd: linus.linux.sgi.com] > > The VW 320 and 540 use 288-bit wide synchronous DRAM, clocked > at 100MHz. 288 bits means it's not your everyday PC SDRAM. But it is! It is just laid out differently. Industry standard SDRAM chips but to get the wider memory path they layed them out differently. They used a different JDEC standard DIMM (the same as in some notebooks) because the motherboard would have been a mess using the giant, more commond desktop-PC JDEC standard modules. The idea is a high-bandwith arch. at PC prices and to do that you have to make some tough decisions. Otherwise the OCTANE is a far better (and $) arch. that is just dying for faster processors and next-gen graphics. Who cares. It is all in the application performance. We will soon see... -- David Watters | Silicon*Graphics Systems Engineer | http://www.sgi.com/ Silicon Graphics, Inc.| http://reality.sgi.com/davester/ (6/13/97) david.watters@sgi.com | 1.800.800.SGI1 (Sales) 1.800.800.4SGI (Support) DID 1.614.844.3820 | http://www.nintendo.com/ (N64, the $130 SGI!)