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Article #39

Re: G4 Powerbook (15") and sleep

#39
From: Thomas Otto
Date: Tue, 29 Jul 2003 03:12
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> I have just got a new G4 Powerbook (15"), 1GHz with 1GB of RAM. The price
> was too good to resist!
> 
> Anyway, I'm finding that under sleep I'm losing about 1% per hour of sleep
> of battery. This seems much more than I used to lose with my Wallstreet
> under 8.6. Is this normal?

Unfortunately yes. My 12" iBook2 with 386MB RAM is a loosing power at 
about the same rate.
Actually IIRC the 1GB of RAM are probably only worsening the problem 
since the complete Gigabyte has to be kept under a certain current so 
that it doesn't loose its content.
(I don't know if something is developed yet that can distinguish "used" 
from unallocated RAM and powers of the latter when suspending).

> If I put the machine for sleep over the weekend,
> there's barely enough power to wake.

Isn't the power-up time just long enough to get something to eat and 
dring before starting to work?  ;-)

> I know you're supposed to shutdown for extended periods of non-use but I
> like to have the machine up and running quickly when I pull it out.  Of
> course, I could leave it plugged in but then it would not be very secure.

I'm quite exited about the software suspend-to-disk in the coming
Linux 2.6 kernel which will save the RAM to disk and then completely 
power off. The bootup time will then only be the time it takes to copy 
the memory stored on the harddrive back to RAM (ok, plus kernel 
initialisation).
I wonder why OS X doesn't have something similar in Panther with laptops 
being a key market for Apple.

      -Thomas
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From: Thomas Otto <my21stnewsgroupdevnull@gmx.net>
Newsgroups: comp.sys.mac.portables,aus.computers.mac
Subject: Re: G4 Powerbook (15") and sleep
Date: Tue, 29 Jul 2003 05:12:30 +0200
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