From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt To: "Timothy A. Seufert" , Subject: Re: About TAU (and ICTC) Date: Mon, 20 Aug 2001 00:02:14 +0200 Message-Id: <20010819220214.32000@smtp.wanadoo.fr> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: >The exception would be when it's desired to use the feature for its >original intended purpose, reduction of die temperature when that >temperature reaches a critical threshold. That would also mean using >the TAU the way it was intended: you set the upper and lower TAU >thresholds as desired, and the TAU ISR turns ICTC on when the high >threshold is passed and off when it moves past the lower. Unfortunately, the TAU is too badly calibrated to be useful. There _might_ be some other temp sensors in recent Apple machines, on the I2C bus, I'll do some "probing" one of these days. Ben. ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/