From owner-freebsd-hardware Sat Nov 30 14:50:51 1996 Return-Path: owner-hardware Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id OAA11010 for hardware-outgoing; Sat, 30 Nov 1996 14:50:51 -0800 (PST) Received: from po1.glue.umd.edu (po1.glue.umd.edu [129.2.128.44]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id OAA11005; Sat, 30 Nov 1996 14:50:49 -0800 (PST) Received: from packet.eng.umd.edu (packet.eng.umd.edu [129.2.98.184]) by po1.glue.umd.edu (8.8.3/8.7.3) with ESMTP id RAA00016; Sat, 30 Nov 1996 17:50:46 -0500 (EST) Received: from localhost (chuckr@localhost) by packet.eng.umd.edu (8.8.3/8.7.3) with SMTP id RAA09613; Sat, 30 Nov 1996 17:50:45 -0500 (EST) X-Authentication-Warning: packet.eng.umd.edu: chuckr owned process doing -bs Date: Sat, 30 Nov 1996 17:50:45 -0500 (EST) From: Chuck Robey X-Sender: chuckr@packet.eng.umd.edu To: phk@freebsd.org cc: hardware@freebsd.org Subject: Re: the "debug" connector on a P6... In-Reply-To: <6423.849393230@critter.tfs.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-hardware@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Sat, 30 Nov 1996, Poul-Henning Kamp wrote: > > Most P6 motherboards seems to have the "debug" connector for each CPU. > As far as I know you can get hold of the boundary-scan signals of the > CPU this way, and poke around and debug the state of it. > > Now, are there anybody out there who knows what it would take to get > something that plugs into that connector ? > > Preferably something that could be controlled from FreeBSD... Any kind of clue as to what such a connector looks like, like how many pins, or something? > > -- > Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. > http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. > whois: [PHK] | phk@ref.tfs.com TRW Financial Systems, Inc. > Future will arrive by its own means, progress not so. > ----------------------------+----------------------------------------------- Chuck Robey | Interests include any kind of voice or data chuckr@eng.umd.edu | communications topic, C programming, and Unix. 9120 Edmonston Ct #302 | Greenbelt, MD 20770 | I run Journey2 and picnic, both FreeBSD (301) 220-2114 | version 3.0 current -- and great FUN! ----------------------------+-----------------------------------------------