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Mac Forum / General / Portable Macs / August 2005Closing lid without sleeping?
Is it possible to close the Powerbook (G4) without invoking sleep mode? I'd like to be able to close the lid while recording audio. Thanks, Dave > Is it possible to close the Powerbook (G4) without invoking sleep mode? > I'd like to be able to close the lid while recording audio. Generally the machines that sleep automatically when the lid is closed do so because for them not to sleep in that condition would generate too much heat. That said, there are apparently models which sleep and don't need to (which is why I said "generally") and then there are people for whom the risk is acceptable. For them, there's this: <http://binaervarianz.de/projekte/programmieren/meltmac/> which apparently isn't particularly useful past 10.2. You can also determine where the sensor is for your model and just put something in there to interfere with it. I've seen a coin suggested. That should bypass the built-in functionality that makes Insomnia less useful on 10.3 and up. Help on that front is available here: <http://home.earthlink.net/~mrob/pub/ibook.html> For other solutions, I googled these terms: powerbook disable lid sleep G  SignatureGoal 2005: Convincing James Hetfield to cover the Strawberry Shortcake "Are You Berry Berry Happy?" song. >> Is it possible to close the Powerbook (G4) without invoking sleep mode? >> I'd like to be able to close the lid while recording audio. [quoted text clipped - 18 lines] > For other solutions, I googled these terms: > powerbook disable lid sleep Thanks for the links. I also dug up this kernel extension and figured I'd post it in case anyone reading this thread is interested: http://www.macosxhints.com/article.php?story=20050308172947974 -Dave > > Is it possible to close the Powerbook (G4) without invoking sleep mode? > > I'd like to be able to close the lid while recording audio. > > Generally the machines that sleep automatically when the lid is closed > do so because for them not to sleep in that condition would generate too > much heat. This hasn't been true for a while, right? I know the PBTi's can be run with the lid closed. The older PB's vent thru the keyboard, newer ones vent in the back. To do this, you must be plugged into the AC adapter, external monitor & keyboard. When you close the lid, the machine is still monitoring the USB ports (it's half asleep?). Pressing a key on the external keyboard should wake it back up. -R. > > > Is it possible to close the Powerbook (G4) without invoking sleep mode? > > > I'd like to be able to close the lid while recording audio. [quoted text clipped - 6 lines] > with the lid closed. The older PB's vent thru the keyboard, newer ones > vent in the back. The Ti isn't exactly top of the line gear these days. While the newer PBs do have rear vents, they also generate significant amounts of heat. Whether or not the heat is supposed to be dissipated through the keyboard, it will heat the upper surface of the machine and, when the lid is closed, the screen. I'll also note that, on my 15" AlBook at any rate, the amount of heat generated increases substantially when doing graphics-intensive tasks (like playing a DVD/video) so you need to take that into account. Whether that amount of heat is dangerous for your LCD, I can't tell you. I'm actually too lazy to bother messing with it, so I live without that particular feature. SignatureLater, John johajohn@indianahoosiers.edu 'indiana' is a 'nolnn' and 'hoosier' is a 'solkk'. Indiana doesn't solkk. > > > > Is it possible to close the Powerbook (G4) without invoking sleep mode? > > > > I'd like to be able to close the lid while recording audio. [quoted text clipped - 8 lines] > The Ti isn't exactly top of the line gear these days. While the newer > PBs do have rear vents, they also generate significant amounts of heat. The PBTi was not a cool running laptop. I would have thought that newer generations of the PBG4 ran cooler. In any case, the Apple engineers do not share your concerns. From the PBG4 15" 1.67GHz manual: -------------------------------------------------------------------- To operate your computer with an external monitor attached and the display closed: 1 Connect a USB keyboard and mouse to your PowerBook. 2 Connect the power adapter to the PowerBook and an outlet. 3 Close the PowerBook display to put the computer to sleep. 4 Follow the steps in the previous section to connect your PowerBook to an external display. 5 Wait a few seconds and then press any key on the external keyboard to wake the PowerBook. -------------------------------------------------------------------- Also from the Apple web site: <http://docs.info.apple.com/article.html?artnum=88064> -R. John Johnson <null@invalid.com> aszonygya: :The Ti isn't exactly top of the line gear these days. While the newer :PBs do have rear vents, they also generate significant amounts of heat. [quoted text clipped - 8 lines] :I'm actually too lazy to bother messing with it, so I live without that :particular feature. FYI, my 3+ year old TI PB has been on 24/7 with the lid closed for 3+ years - I use it with an external screen. I use an external Vornado fan which has been also on for 3+ years 24/7 blowing air to the back of the TI PB. The fan is super quiet, the TI PB is pretty cool [I mean temperaturewise], and all has been OK for 3+ years. As a bonus. my external hard drives also get part of the draft. /PaulN > Is it possible to close the Powerbook (G4) without invoking sleep mode? > I'd like to be able to close the lid while recording audio. I realize that this is a little late, but it looks like no one actually provided a correct answer for current PowerBooks, so maybe this will still be useful. Answer: yes, not only is it possible, Apple tells how to do it right in the owner's manual. Look for the section titled "Using You PowerBook With The Display Closed". --- begin quote --- Using Your PowerBook With the Display Closed You can use your PowerBook with the display closed if the computer is connected to an external monitor, keyboard, and mouse, and the power adapter is plugged into the PowerBook and an outlet. Important: To use your PowerBook with the display closed, the power adapter must be plugged into the PowerBook and an outlet. To operate your computer with an external monitor attached and the display closed: 1 Connect a USB keyboard and mouse to your PowerBook. 2 Connect the power adapter to the PowerBook and an outlet. 3 Close the PowerBook display to put the computer to sleep. 4 Follow the steps in the previous section to connect your PowerBook to an external display. 5 Wait a few seconds and then press any key on the external keyboard to wake the PowerBook. --- end quote --- Reasonable variations of that work, too. When I arrive at work with mine, I slide it into the space between two of my other computers, plug it into one of the display and USB ports on a KVM switch, plug in a network cable, and then plug in the power adaptor. It wakes up at that point. Signature--Tim Smith In article <reply_in_group-267C81.02214926082005@news1.east.earthlink.net>, > I realize that this is a little late, but it looks like no one actually > provided a correct answer for current PowerBooks, so maybe this will > still be useful. Ahhh...OK, I missed one. Someone did answer correctly. Signature--Tim Smith >> Is it possible to close the Powerbook (G4) without invoking sleep mode? >> I'd like to be able to close the lid while recording audio. [quoted text clipped - 6 lines] > the owner's manual. Look for the section titled "Using You PowerBook > With The Display Closed". My specific application required using the PB without power, external monitor, or USB keyboard attached, which was why I went with one of the suggested links posted previously. Thanks, though. Dave > > Is it possible to close the Powerbook (G4) without invoking sleep mode? > > I'd like to be able to close the lid while recording audio. [quoted text clipped - 6 lines] > the owner's manual. Look for the section titled "Using You PowerBook > With The Display Closed". Are there any reasons (heat dissipation, for instance) why one should not do this? SignatureSend e-mail to the Reply-To address; mail to the From address is never read > > > Is it possible to close the Powerbook (G4) without invoking sleep mode? > > > I'd like to be able to close the lid while recording audio. [quoted text clipped - 9 lines] > Are there any reasons (heat dissipation, for instance) why one should > not do this? Not if you follow the directions in the manual. |
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