Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 27 Jul 2007 19:50:21 +0200
From:      =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no>
To:        Doug Ambrisko <ambrisko@ambrisko.com>
Cc:        Takeharu KATO <takeharu1219@ybb.ne.jp>, freebsd-current@freebsd.org, Mike Tancsa <mike@sentex.net>
Subject:   Re: ichwd for ICH8
Message-ID:  <861wet3fdu.fsf@ds4.des.no>
In-Reply-To: <200707271630.l6RGUIZd088700@ambrisko.com> (Doug Ambrisko's message of "Fri\, 27 Jul 2007 09\:30\:18 -0700 \(PDT\)")
References:  <200707271630.l6RGUIZd088700@ambrisko.com>

next in thread | previous in thread | raw e-mail | index | archive | help
Doug Ambrisko <ambrisko@ambrisko.com> writes:
> Dag-Erling Sm\xc3\xb8rgrav writes:
> | Doug Ambrisko <ambrisko@ambrisko.com> writes:
> | > Atleast with older ICH chips the TCO reset can be disabled in hardware
> | > with a pull-up or pull-down resistor (I forget which) on one of the
> | > PC speaker lines.
> | Yes, but the driver detects that and refuses to attach.
> Okay, that doesn't mean that you can't try to remove the pull-up
> resistor or use a stronger pull-down resistor on the speaker
> output pins.  Hopefully the MB has a speaker header.  Grounding the
> output of the speaker might work in a pinch.  It needs to be
> done during power on and probably reset.

What for?  If the SPKR line is high during reset, the watchdog timer is
disabled and the NO_REBOOT bit is immutable.  The driver detects that
and refuses to attach.  This is not the case on Mike's hardware.

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?861wet3fdu.fsf>