From owner-freebsd-hardware Sat Nov 30 14:59:23 1996 Return-Path: owner-hardware Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id OAA12340 for hardware-outgoing; Sat, 30 Nov 1996 14:59:23 -0800 (PST) Received: from tfs.com (tfs.com [140.145.250.1]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id OAA12333 for ; Sat, 30 Nov 1996 14:59:21 -0800 (PST) Received: from critter.tfs.com by tfs.com (smail3.1.28.1) with SMTP id m0vTyMz-0003vyC; Sat, 30 Nov 96 14:58 PST Received: from critter.tfs.com (localhost.dk.tfs.com [127.0.0.1]) by critter.tfs.com (8.8.2/8.8.2) with ESMTP id AAA06586; Sun, 1 Dec 1996 00:00:21 +0100 (MET) To: Chuck Robey cc: hardware@freebsd.org Subject: Re: the "debug" connector on a P6... In-reply-to: Your message of "Sat, 30 Nov 1996 17:50:45 EST." Date: Sun, 01 Dec 1996 00:00:20 +0100 Message-ID: <6584.849394820@critter.tfs.com> From: Poul-Henning Kamp Sender: owner-hardware@freebsd.org X-Loop: FreeBSD.org Precedence: bulk In message , Chuck Robey writes: >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? it's a 2x20 (or thereabout) berg connector, ie: somewhat like the two rows of pins for the floppy cable. -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@tfs.com TRW Financial Systems, Inc. Power and ignorance is a disgusting cocktail.