From: Benjamin Herrenschmidt <bh40@calva.net>
To: Iain Sandoe <iain@sandoe.co.uk>, linuxppc-dev@lists.linuxppc.org
Subject: Re: Different Mac Models.
Date: Wed, 15 Mar 2000 14:15:44 +0100 [thread overview]
Message-ID: <20000315141544.001497@mailhost.mipsys.com> (raw)
In-Reply-To: <200003151243.MAA30200@hyperion.valhalla.net>
On Wed, Mar 15, 2000, Iain Sandoe <iain@sandoe.co.uk> wrote:
>firmware as in local (to the PMU) flash/rom...
>or loaded up from 'system' rom...
>or something else ?
Certainly local. The PMU runs all the time when the machine is plugged
and controls the power to all other HW in the machine, including the CPU.
At least it works this way on the powerbooks. If the PMU has no firmware,
the machine won't even boot.
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next parent reply other threads:[~2000-03-15 13:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200003151243.MAA30200@hyperion.valhalla.net>
2000-03-15 13:15 ` Benjamin Herrenschmidt [this message]
2000-03-16 8:16 ` Different Mac Models Timothy A. Seufert
[not found] <Pine.LNX.4.10.10003142008060.17862-100000@opal.biophys.uni-duesseldorf.de>
2000-03-14 20:02 ` David A. Gatwood
2000-03-14 9:18 Iain Sandoe
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