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Date:      Sun, 01 Dec 1996 00:00:20 +0100
From:      Poul-Henning Kamp <phk@critter.tfs.com>
To:        Chuck Robey <chuckr@glue.umd.edu>
Cc:        hardware@freebsd.org
Subject:   Re: the "debug" connector on a P6... 
Message-ID:  <6584.849394820@critter.tfs.com>
In-Reply-To: Your message of "Sat, 30 Nov 1996 17:50:45 EST." <Pine.OSF.3.95.961130175009.10210G-100000@packet.eng.umd.edu> 

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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.

--
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.



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