From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: ATAPI issues (was Re: Issues with SIS 964 chipset on SATA) Date: Thu, 17 Feb 2005 03:37:38 -0500 Message-ID: <421457D2.5090104@pobox.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:37868 "EHLO parcelfarce.linux.theplanet.co.uk") by vger.kernel.org with ESMTP id S262270AbVBQIhx (ORCPT ); Thu, 17 Feb 2005 03:37:53 -0500 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org Cc: Gary Poppitz , Jens Axboe Another issue with ATAPI is that it _may_ or may not send an interrupt prior writing the CDB. This behavior is dependent on an obsolete and undocumented in ATAPI7 bit 5 of IDENTIFY PACKET DEVICE word 0, apparently. Jeff