Date: Sat, 30 Nov 1996 18:06:35 -0500 (EST) From: Chuck Robey <chuckr@glue.umd.edu> To: Poul-Henning Kamp <phk@critter.tfs.com> Cc: hardware@freebsd.org Subject: Re: the "debug" connector on a P6... Message-ID: <Pine.OSF.3.95.961130180429.10210H-100000@packet.eng.umd.edu> In-Reply-To: <6584.849394820@critter.tfs.com>
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On Sun, 1 Dec 1996, Poul-Henning Kamp wrote: > In message <Pine.OSF.3.95.961130175009.10210G-100000@packet.eng.umd.edu>, 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. Hmm, yeah, I know what Berg pins are. Seems a Tyan Titan Pro doesn't have the connectors you are describing. Too bad. Maybe they left it out in the dual design, because the motherboard is somewhat cramped to begin with. ----------------------------+----------------------------------------------- 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! ----------------------------+-----------------------------------------------
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