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[209.132.180.67]) by mx.google.com with ESMTP id b1si14044210plz.57.2019.05.13.16.14.57; Mon, 13 May 2019 16:15:13 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726528AbfEMXOJ (ORCPT + 99 others); Mon, 13 May 2019 19:14:09 -0400 Received: from simcoe208srvr.owm.bell.net ([184.150.200.208]:50768 "EHLO torfep02.bell.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726233AbfEMXOI (ORCPT ); Mon, 13 May 2019 19:14:08 -0400 Received: from bell.net torfep02 184.150.200.158 by torfep02.bell.net with ESMTP id <20190513231406.ZXNA4684.torfep02.bell.net@torspm02.bell.net>; Mon, 13 May 2019 19:14:06 -0400 Received: from [192.168.2.49] (really [70.53.52.226]) by torspm02.bell.net with ESMTP id <20190513231406.QMCT30132.torspm02.bell.net@[192.168.2.49]>; Mon, 13 May 2019 19:14:06 -0400 Subject: Re: C3600, sata controller To: Carlo Pisani Cc: Parisc List , Linux Next Mailing List , Linux Kernel Mailing List References: <20190502074519.61272b42@canb.auug.org.au> From: John David Anglin Openpgp: preference=signencrypt Message-ID: <66bf0e79-16a4-a411-19ba-cd7d5a232976@bell.net> Date: Mon, 13 May 2019 19:14:03 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US X-CM-Analysis: v=2.3 cv=O5JHQy1W c=1 sm=1 tr=0 cx=a_idp_f a=eekNWfHKKKZHbRJeTMr8Cw==:117 a=eekNWfHKKKZHbRJeTMr8Cw==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=IkcTkHD0fZMA:10 a=E5NmQfObTbMA:10 a=5ypQrAzGAAAA:8 a=FBHGMhGWAAAA:8 a=gMXUH_YgnVnNn84jM3AA:9 a=QEXdDO2ut3YA:10 a=1owwN5pLhQMA:10 a=RW6egZ3iF6EA:10 a=QnlTcYk_iZbCEFXf-YqT:22 a=9gvnlMMaQFpL9xblJ6ne:22 X-CM-Envelope: MS4wfK4WAh+Fq4jLCtWs5OgHHMkWkHH9sKFtHVcfXHN5FKDl/AqcUjDjP6fkt0hpWzjYDKpR13dGH2F7Yil6hOJgnk+eAbsz9hkCwem6X8UhlCHVXmSehYqk iTHsCNoOIR9vnkB5Mk1EXI7GD9kXCPcWKMkNZQesJ7uwsjz1SZBvg1p4GBRD3tlUz1doZ8LAaFvf2DjjWTJpn0fbRkQg8rs9clkjzqUJm1hcOrBKFlgIzS3W g7X8KBUkaFtv9raac32h4gQcWuPNDYN/j/WPWcSb1V0= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019-05-12 5:15 p.m., Carlo Pisani wrote: >> The c3600 doesn't have any PCI-X slots (only PCI) as far as I can tell from user manuals. > PCI-32/33 device I/O bus > PCI-64/33 high-performance device I/O bus <----------------- this is > PCI-X, 64bit 5V > PCI-64/66 high-performance graphics I/O bus <----------------- this is > PCI-X, 64bit 3.3V > > https://www.openpa.net/systems/hp-visualize_b1000_c3000_c3600.html I think that you are wrong.  HP would have said the slots were PCI-X compatible if they were. They did in c8000. The issue is probably the signalling voltage and clock rate capability.  33 MHz always uses 5V signalling whereas PCX-X cards typically support 66 and 133 MHz.  Thus, I think PCI-X cards use CMOS 3.3V signalling although they may accept 5V on their inputs.  If the c3600 uses older TTL logic, it is likely that 3.3V CMOS logic can't provide the high level for 5V TTL logic. I suspect the only slot that might work with a PCI-X card is the 3.3V SL2.  However, if you see I/O errors in the PIM dump following a HPMC, then it's not compatible. So, probably you would have better luck with the PCI Syba SD-SATA150R in c3600.  However, it is similar to the Adaptec 1210SA which works.  Maybe they differ in RAID capability. Dave -- John David Anglin dave.anglin@bell.net