Re: PowerBook G4 Lid Closed Mode
Re: PowerBook G4 Lid Closed Mode
- Subject: Re: PowerBook G4 Lid Closed Mode
- From: Daniel Hazelbaker <email@hidden>
- Date: Fri, 19 Apr 2002 10:54:29 -0700
On Friday, April 19, 2002, at 10:17 AM, Jacob Shaw wrote:
>
1.) I looked back in the DARWIN-KERNEL archives, and saw some posts by
>
David
>
Hazelback and others, and his issue was very similar. Whatever came of
>
that?
Here is the patch file for xnu-201-9,1. Basically I added a sysctl
command that ignores the state of the "clamshell" for any ibook (should
work on titanium too). The only catch is that the ibook has to be
plugged in. If it is running on battery then after about 5 minutes or
so it does a hard power off. This seems to be hardware and not software
related as it does it in single user mode and nothing is logged about it
(you can actually see my logging function call in the patch file, you
probably will want to remove that so you don't fill your syslog up with
those notices.) To control it, go to a shell and do sysctl -w
kern.ignoreclamshell=1 to disable sleep and =0 to re-enable sleep. Be
warned, I suggest you turn off your display first (I just turn the
brightness all the way off with the F1 key). It stayed pretty cool for
me that way.
If I understand what you are wanting to do this should work for you.
From what I recall there was a "back door" method of keeping the
computer awake with the lid closed by using an external monitor, which
is probably what you were doing. I don't have a TiBook that I can test
this on but in theory it should work as I did not see any other code for
controller sleep mode when the lid closes.
Daniel Hazelbaker
>
Thanks in advance, for any constructive help!
>
Jacob
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