From owner-freebsd-questions Tue Jun 5 20:49:53 2001 Delivered-To: freebsd-questions@freebsd.org Received: from out5.mx.nwbl.wi.voyager.net (out5.mx.nwbl.wi.voyager.net [169.207.2.77]) by hub.freebsd.org (Postfix) with ESMTP id 0E5D537B405 for ; Tue, 5 Jun 2001 20:49:50 -0700 (PDT) (envelope-from dpoland@execpc.com) Received: from earth.execpc.com (dpoland@earth.execpc.com [169.207.16.1]) by out5.mx.nwbl.wi.voyager.net (8.11.1/8.11.1) with ESMTP id f563nmZ37656; Tue, 5 Jun 2001 22:49:48 -0500 (CDT) Received: (from dpoland@localhost) by earth.execpc.com (8.9.0) id WAA02380; Tue, 5 Jun 2001 22:49:48 -0500 (CDT) Date: Tue, 5 Jun 2001 22:49:48 -0500 From: Doug Poland To: Dave Duchscher Cc: freebsd-questions@FreeBSD.ORG Subject: Re: UDMA100 Message-ID: <20010605224948.A1934@polands.org> Mail-Followup-To: Dave Duchscher , freebsd-questions@FreeBSD.ORG References: <20010605094253.A19506@net.tamu.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0pre3us In-Reply-To: <20010605094253.A19506@net.tamu.edu> Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, Jun 05, 2001 at 09:42:53AM -0500, Dave Duchscher wrote: > On Tue, Jun 05, 2001 at 12:30:28PM +0430, Amin Omidzadeh Khosrowshahi wrote: > > > Hello, > > > I want to set up a FreeBSD server on a ATA100 HardDisk and want to know > > if FreeBSD 4.3 kernel supports UDMA100 like 2.4.5 Linux kernel . > > Yes, FreeBSD 4.3 supports UDMA100. > > > If it does, how I can set it up? > > The driver will automatically detect the fastest mode available for the > drive on boot up. You should see a line similar to the one below: > > ad0: 58644MB [119150/16/63] at ata0-master UDMA100 > I'm running 4.3-STABLE with Promise ATA100, IBM-DTLA HD and am getting only UDMA66. i.e., dmesg | grep -i ata atapci0: port 0xd800-0xd80f at device 4.1 on pci0 ata0: at 0x1f0 irq 14 on atapci0 ata1: at 0x170 irq 15 on atapci0 atapci1: port 0x8000-0x803f,0x8400-0x8403,0x8800-0x8807,0x9000-0x9003,0x9400-0x9407 mem 0xce800000-0xce81ffff irq 10 at device 17.0 on pci0 ad0: 43979MB [89355/16/63] at ata0-master UDMA66 acd0: CD-RW at ata1-master using PIO4 > You should also consult the ata(4) man page as it has lots of useful > information about the driver's capabilities. > > DaveD > The man page does have lots of useful info but doesn't really tell admin wannabees exactly how to config the system to boot with UDMA100. Thanks for your patient understanding... -- Regards, Doug To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message