My T41 Thinkpad underclocks whenever its not plug, not just reduced CPU -- also reduced fan speed, cdrom speed, lcd intensity, and harddrive speed. If i set it not to underclock, the battery last only around 20-40 mins. By underclocking it last 2-3hours while surfing on free WIFI at rockwell :D
On Tue, Oct 21, 2008 at 2:02 PM, Mark David Dumlao <[EMAIL PROTECTED]>wrote: > Hm that's funny, I thought that *er-clocking was a hardware thing. > Normally, processor speed is statically set by the BIOS on system > startup, and cannot be changed while running. This is why overclockers > have to set a jumper and change their multiplier on startup. > > However, modern processors have the AMD something speed and the Intel > speedstep thing that allows an OS to send a BIOS call via ACPI that > changes the processor speed live. The ranges of speeds usable are > predefined by the processor, and this is what is used by acpid or > other daemon that changes processor speeds. > > Did that make sense? > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > http://lists.linux.org.ph/mailman/listinfo/plug > Searchable Archives: http://archives.free.net.ph > -- -- Roger P. Filomeno TwitSnap: The coolest Twitter widget for your site! http://www.twitsnap.com http://corruptedpartition.blogspot.com/ TEL#: +1-360-968-1767 SMS: send MSG GODIE <YOUR MESSAGE> to 2948 $> who | grep -i blond | date; cd ~; unzip; touch; strip; finger; mount; gasp; yes; uptime; umount; sleep
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