I love the auto hibernate after 1 hour feature.

[yegon]

I'm fully aware it's NOT in any way revolutionary - I've been using hibernate like feature via Terminal/SmartSleep on macs for years, and it's been inbuilt in Windows seemingly forever - but as it's default it's a whole lot more convienent. Previously, if I was going out all day I'd always leave my mbp plugged in as it'd otherwise drop a couple per cent charge an hour during sleep. I did hibernate the old mbp occassionally but that results in a reasonably significant boot time so I rarely bothered with it.

The MBA, unplugged and unused for 8hrs, dropped 1% and was functioning in less than 3 seconds 🙂

 

[Over Achiever]

Does the computer turn on when auto-hibernating, ie fan/screen? I wouldn't want my computer randomly turning on in my backpack, even just to hibernate.

 

[neteng101]

It hibernates after 1 hour? While just on battery, or plugged in too?

 

[yegon]

Does the computer turn on when auto-hibernating, ie fan/screen? I wouldn't want my computer randomly turning on in my backpack, even just to hibernate.

Not a clue, but I doubt the fans or screen are involved in the process. It'll just be some kind of further power down at a guess or maybe it writes something to the flash, in which case it'd be a non-issue given it's solid state.

It hibernates after 1 hour? While just on battery, or plugged in too?

Good point, dunno. Given the speed difference it's largely an irrelevance I suppose.

 

[KPOM]

It hibernates after 1 hour? While just on battery, or plugged in too?

Just while it's on battery.

 

[neteng101]

Just while it's on battery.

Thanks - I have to play with it to see how it behaves - most of the time when I have it off, its overnight and connected to power. Just wondering what the hibernate resume is like. 🙂

 

[silverblack]

I changed my MBA's sleep mode to "0" according to the following article to save FS space. Does that mean my MBA no longer hibernates after 1 hour like described by OP?

What is the default sleep mode for the new MBA? mode 3?

http://www.macworld.com/article/53471/2006/10/sleepmode.html

Would it go back to the "auto hibernating after 1 hour" after I set the sleep mode back to 3?

 

[foodle]

Does the computer turn on when auto-hibernating, ie fan/screen? I wouldn't want my computer randomly turning on in my backpack, even just to hibernate.

No. In the default sleep mode, your mac will save the memory contents to disk/SSD right when you go into sleep. So later, if it wants to drop into hibernate, it will just power down the DRAM memory, but the memory contents had already been saved to disk/SSD earlier.