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freebsd.org; dkim=none (message not signed) header.d=none;freebsd.org; dmarc=bestguesspass action=none header.from=oar.net; Received-SPF: Pass (protection.outlook.com: domain of oar.net designates 164.107.81.214 as permitted sender) receiver=protection.outlook.com; client-ip=164.107.81.214; helo=cio-krc-pf07.osuad.osu.edu; Received: from cio-krc-pf07.osuad.osu.edu (164.107.81.214) by BL2FFO11FD026.mail.protection.outlook.com (10.173.161.105) with Microsoft SMTP Server (TLS) id 15.1.262.18 via Frontend Transport; Tue, 8 Sep 2015 23:18:42 +0000 Received: from CIO-KRC-HT02.osuad.osu.edu (localhost [127.0.0.1]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by cio-krc-pf07.osuad.osu.edu (Postfix) with ESMTPS id 1E9DF500036; Tue, 8 Sep 2015 19:18:42 -0400 (EDT) Received: from CIO-TNC-D2MBX07.osuad.osu.edu ([fe80::bc62:2439:63af:a166]) by CIO-KRC-HT02.osuad.osu.edu ([fe80::8554:1787:2a7:72c9%12]) with mapi id 14.03.0224.002; Tue, 8 Sep 2015 19:18:41 -0400 From: "Wolff, Nick" To: Michael Fuckner , Dieter BSD , "freebsd-hardware@freebsd.org" , "freebsd-usb@freebsd.org" Subject: Re: PCIe to USB to PCIe Thread-Topic: PCIe to USB to PCIe Thread-Index: AQHQ5yvHt8k7w3o4XUapQT3ZRHMVTJ4s22YAgAZvpAA= Date: Tue, 8 Sep 2015 23:18:40 +0000 Message-ID: References: <55E9CE6A.2040306@fuckner.net> In-Reply-To: <55E9CE6A.2040306@fuckner.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [199.18.249.10] x-header-sapphire: true Content-Type: text/plain; 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BL2FFO11HUB043; 5:jpnT+DDRer6cffIB40O9tB7lA607AzxJ6Adhnx6lT12NyLTbI/OEjs11NRg/qm3DxAa8GSpAD3sX+aSmeTpnvlYliIIg5iwJCUNxM1N+sIn+krNyAYGiLnf68zF8GrVjmhgPe4N2VpJW+wJt0hu+kA==; 24:p8kCPWirDVeqQ4IwnpTo5SXOOSYH4j/xVeCTWDej7Uakiu0huSs/Gkii8BlfbR4wJy/hbP/5f4T/0XdiBhT8rKcU9iD+liUTKQXWxwRlL90= SpamDiagnosticOutput: 1:23 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: oar.net X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Sep 2015 23:18:42.6764 (UTC) X-MS-Exchange-CrossTenant-Id: b4d138ca-1815-4a9b-a3a7-130a33b1e692 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=b4d138ca-1815-4a9b-a3a7-130a33b1e692; Ip=[164.107.81.214]; Helo=[cio-krc-pf07.osuad.osu.edu] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL2FFO11HUB043 X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Sep 2015 23:18:45 -0000 On 9/4/15, 1:01 PM, "owner-freebsd-hardware@freebsd.org on behalf of Michael Fuckner" wrote: >Hi, > >I don't see any active components, so I believe it is still PCIe (just >via an USB Connector) > >Regards, > Michael! > Hello, Definitely agree looks like normal pcie extender. It's just using a usb 3.0 cable for the reason that it=B9s a very cheap cable that meets the needed specs for pcie or at least is close enough to work ok. Lots of things will cheat this way for example some cheap switches will use hdmi cables as stacking cables. Probably also doing some cheating in the pinout also to get it to all work over 8/9 pins provided by usb 3.0. (Hardwiring certain pins in each board for example there probably hardwire PRSNT#1.)