FreeBSD, Intel Motherboards and Portmaster Serial Console - How?
Marc G. Fournier
scrappy at hub.org
Fri Nov 19 18:12:18 PST 2004
On Fri, 19 Nov 2004, Samuel Clements wrote:
> The RJ-45 should be pinned exactly like the cisco RJ-45's. If you can
> get a console to a cisco router off of one of your PM ports, you should
> be able to plug it into the serial B be header on the server and be able
> to talk to it. The second problem of management (watching POST and
> kernel messages) should be easily remedied by telling the machine to
> redirect POST messages to Serial B as well as do ACPI re-direction to
> Serial B (done in the BIOS). This should get you all the way through
> kernel messages, then if you want to allow logins on Serial B, you
> should just be able to 'turn on' ttyd1 in /etc/ttys.
Oh, most cool .. so I wouldn't even be using FreeBSDs serial console, but
doing it at the hardware level? By 'watching POST', would this also give
me remot access to the BIOS itself?
> ----- Original Message ----- From: "Marc G. Fournier" <scrappy at hub.org>
> To: <freebsd-questions at freebsd.org>
> Cc: <freebsd-hardware at freebsd.org>
> Sent: Friday, November 19, 2004 1:03 PM
> Subject: FreeBSD, Intel Motherboards and Portmaster Serial Console - How?
>> I just picked up a PM25 for our colo facility, so that I can do remote
>> admin on the FreeBSD boxes ... our two Tyan servers are a piece of cake, as
>> they have DB9 Serial, like I'd expect ... but the Intel motherboards have
>> "External RJ45 serial, internal serial header" on all of there boards, from
>> what I can tell ... but what I can't figure out is how to make use of them
>> The servers are remote, so adding a 9pin serial port onto the 'internal
>> header' is a bit difficult, so am wondering about using the 'external
>> RJ45'. The PM25 cables end in an RJ45 jack, and we had to purchase
>> adapters to go from RJ45->9pin ... can those RJ45 adapters be used to plug
>> into the RJ45 serial directly?
>> Also, from what I've been able to read so far, the RJ45 == Serial B, not
>> Serial A ... so, I'd need to change how FreeBSD works as far as serial
>> console is concerned, to look at Serial B, no?
>> Thanks ...
>> Marc G. Fournier Hub.Org Networking Services (http://www.hub.org)
>> Email: scrappy at hub.org Yahoo!: yscrappy ICQ: 7615664
>> freebsd-hardware at freebsd.org mailing list
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Marc G. Fournier Hub.Org Networking Services (http://www.hub.org)
Email: scrappy at hub.org Yahoo!: yscrappy ICQ: 7615664
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