From owner-freebsd-hardware Wed Jan 24 15:40: 5 2001 Delivered-To: freebsd-hardware@freebsd.org Received: from critter.freebsd.dk (flutter.freebsd.dk [212.242.40.147]) by hub.freebsd.org (Postfix) with ESMTP id 673E237B401 for ; Wed, 24 Jan 2001 15:39:45 -0800 (PST) Received: from critter (localhost [127.0.0.1]) by critter.freebsd.dk (8.11.1/8.11.1) with ESMTP id f0ONcRl34963; Thu, 25 Jan 2001 00:38:27 +0100 (CET) (envelope-from phk@critter.freebsd.dk) To: Chris Dillon Cc: Matthew Jacob , "Koster, K.J." , "'Olivier Nicole'" , hardware@FreeBSD.ORG Subject: Re: Panic at setup time In-Reply-To: Your message of "Wed, 24 Jan 2001 17:27:32 CST." Date: Thu, 25 Jan 2001 00:38:27 +0100 Message-ID: <34961.980379507@critter> From: Poul-Henning Kamp Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >I realize that getting the data in and out of the drive cache fast is >a good thing, but right now, the bottlenecks lie elsewhere, and the >lower bus transfer latencies won't even put a dent in the total >latency when you figure all of the other much greater latencies that >are part of a typical transaction. IMHO, the ATA66 and especially the >ATA100 interface was developed to play the marketing numbers game, For the record this "marketing numbers game" has a several percent impact on my worldstones... -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message