(replying to this on-list) On Monday 24 June 2002 12:38 am, Joris wrote: > On Sun, Jun 23, 2002 at 11:21:32PM -0700, Derek Gladding wrote: > > On Friday 21 June 2002 07:47 pm, Andrew Biggadike wrote: > > > I'm running Woody on a Dell Latitude C800 and yesterday I noticed > > > that the battery life of my laptop ran out much quicker than it > > > does when it is booted into Windows. (Approx. 50 min compared to > > > 2.5 hrs.) > > > > > > Does anybody know of any reasons that may cause this, or > > > potential solutions? Thanks, > > > > > > Andrew > > > > > > (If you need more system info just let me know) > > > > Have you got your kernel compiled to "make CPU Idle calls when Idle > > ?" > > > > Are you running a journalling FS (ext3 etc) which will stop your HD > > from ever spinning down ? > > > > Those are the two biggest things (in my experience) which affect > > battery life. > > I assume that the former is a Good Thing (tm) and the later is an > energy waster?
Yes, very much so. I was amazed at how much different the CPU Idle calls made to battery life - not only does the CPU not draw as much power, but the reduced heat means the fan doesn't need to kick in as often. - Derek -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]