From owner-freebsd-questions Tue Jul 31 15: 1:37 2001 Delivered-To: freebsd-questions@freebsd.org Received: from mta03-svc.ntlworld.com (mta03-svc.ntlworld.com [62.253.162.43]) by hub.freebsd.org (Postfix) with ESMTP id 8D3D837B403 for ; Tue, 31 Jul 2001 15:01:34 -0700 (PDT) (envelope-from greid@FreeBSD.org) Received: from sobek.lan ([62.252.15.119]) by mta03-svc.ntlworld.com (InterMail vM.4.01.03.00 201-229-121) with ESMTP id <20010731211651.CRKY23687.mta03-svc.ntlworld.com@sobek.lan>; Tue, 31 Jul 2001 22:16:51 +0100 Date: Tue, 31 Jul 2001 22:16:48 +0100 (BST) From: George Reid X-X-Sender: To: "Noel V.Balansag" Cc: Subject: Re: operating mode of cd drive In-Reply-To: <01073114360900.00449@pamilya> Message-ID: <20010731221310.E58206-100000@sobek.lan> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII 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, 31 Jul 2001, Noel V.Balansag wrote: > Hello. > > How do I change the operating mode of my CD drive? When I checked "dmesg", it > shows that my cd drive is in "PIO4" mode, but my BIOS says it is "UDMA33". > What do I need to do? My cd drive si ATAPI compatible. Read ata(4) on 4.x; you can use sysctl to change the transfer modes. However, DMA on ATAPI CDROM drives is notoriously unreliable. -- +-------------------+---------------------+ | George Reid | FreeBSD Committer | | +44 7740 197460 | greid@FreeBSD.org | +-------------------+---------------------+ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message