From owner-freebsd-hackers Mon Oct 28 15:45: 2 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E91AE37B401 for ; Mon, 28 Oct 2002 15:45:00 -0800 (PST) Received: from digger1.defence.gov.au (digger1.defence.gov.au [203.5.217.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3308243E4A for ; Mon, 28 Oct 2002 15:44:59 -0800 (PST) (envelope-from Alex.Wilkinson@dsto.defence.gov.au) Received: from dsto-ms2.dsto.defence.gov.au (dsto-ms2.dsto.defence.gov.au [131.185.2.150]) by digger1.defence.gov.au (8.10.1/8.10.1) with ESMTP id g9SNhDe19774 for ; Tue, 29 Oct 2002 10:13:13 +1030 (CST) Received: from muttley.dsto.defence.gov.au (unverified) by dsto-ms2.dsto.defence.gov.au (Content Technologies SMTPRS 4.2.10) with ESMTP id for ; Tue, 29 Oct 2002 10:12:59 +1030 Received: from salex001.dsto.defence.gov.au (salex001.dsto.defence.gov.au [131.185.2.9]) by muttley.dsto.defence.gov.au (8.9.3/8.9.3/8.9.3.LMD.990513) with ESMTP id KAA18539 for ; Tue, 29 Oct 2002 10:09:44 +1030 (CST) Received: from squirm.dsto.defence.gov.au ([131.185.75.211]) by salex001.dsto.defence.gov.au with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2653.13) id VW7LLLNW; Tue, 29 Oct 2002 10:10:58 +1030 Date: Tue, 29 Oct 2002 09:56:30 +1030 (CST) From: "Wilkinson,Alex" X-X-Sender: wilkinsa@squirm.dsto.defence.gov.au Reply-To: Alex.Wilkinson@dsto.defence.gov.au To: hackers@freebsd.org Subject: [hardware] Tagged Command Queuing or Larger Cache ? Message-ID: <20021029095553.N91719-100000@squirm.dsto.defence.gov.au> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Howdy Crew, I am about to buy a new hard disk for my FreeBSD work station. Since FreeBSD's ATA drivers implement Tagged Command Queuing and IBM make the only ATA disks that implement tagged command queuing ( ie since the 60GXP family ), an IBM 40GB 120GXP "looks like" the best solution. However, my question is: Do the benifits from a having a larger disk cache such as the "WD 40GB 7200RPM w/8MB Cache" has, outweigh the benefits of Tagged Command Queuing ? Thanks - aW To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message