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Increased Battery Life and Cooler Laptop!

post #1 of 11
3/22/05 at 7:52pm
Thread Starter 
Hey Everyone,

There was a thread that was started that was about overclocking the Pentium M. That's not what this thread is about though. The discussion in that thread finally led to that it wasn't possible to Dell (which I have read numerous times before). And then Asdasl started talking about lowering voltage to the CPU.

Quote:
Originally Posted by Asdasl
Any way to change the voltage that the CPU is getting? I've heard of some people reducing the voltage to the CPU (CPU still runs rock solid) and getting more battery life out of the laptop. I believe it was on a Dell they did this.
The topic didn't go much further than me and Asdasl asking if it was possible to do this. I figured that maybe no one was interested in reading that thread any longer because everyone already knew that overclocking was either impossible or not very effective with PMs. That's why I decided to start this thread to see if anyone else has knowledge of this subject.

For reference, the Overclocking thread is here.
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post #2 of 11
3/22/05 at 8:23pm

Overclock Dell Pentium M.

http://www.rojakpot.com/default.aspx...ar1=177&var2=0
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post #3 of 11
3/22/05 at 9:18pm
Great, now we just need to figure out what chip dell has in here. i might have to take this beast apart and look. probably isn't going to be supported yet anyway, but maybe in due time. Has anyone dismantled it yet and knows already, before i look?
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post #4 of 11
3/22/05 at 9:22pm
Thread Starter 
Blah, I guess I'll try it out. Even though I was looking to reduce the voltage, not overclock. Both will do good though :-P
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post #5 of 11
3/22/05 at 10:13pm
The easy way to undervolt your laptop would be if the BIOS allowed you to change the Vcore. That would be great! Although a 25% increase in CPU is nice too.
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post #6 of 11
3/22/05 at 11:57pm
Thread Starter 
I tried and failed. ClockGen isn't kidding when they say " Don't try to use another version of ClockGen than the one specified in this table. This would freeze your system." It freaked me out, it just froze. I was worried it wouldn't boot up okay, but it booted up fine.

EDIT: I figured out why. The tutorial is for the old Centrino (the 855 chipset). Sonoma has the 915 chipset.
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post #7 of 11
3/23/05 at 5:06am
http://notebookforums.com/showthread.php?t=70943
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post #8 of 11
3/29/05 at 7:10pm
Quote:
Originally Posted by dlinkin
Cool stuff, but when I installed the program, I found some interesting info. First, my computer is running neutered right now! When I try to clock it to stock specs, my PCI bus jumps up to 50.01, which according to that artical is too high. As it's sitting right now, my 1.5gig pentium m is running at 429.55, and the next step over brings it up to 1500. Thoughts?
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post #9 of 11
3/29/05 at 7:31pm
Yeah, I was having the same problem. It is because it is not identifying the correct values because it does not work on your motherboard. Use the other intel motherboard download (the one for 845 chipsets). It worked for me.
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post #10 of 11
3/29/05 at 9:56pm
125 mhz during battery is possible on my 8600... dunno why/how but it does
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post #11 of 11
3/29/05 at 10:51pm
Y'all be careful now with the overclockin' and the under voltin'. Me I'm gonna lay back and wait til the smoke clears. Wouldn't be the first time that some fool went jerry riggin they computer and ended up having the damn thing blow up on 'em.

Nope. Momma say don't mess with lectrics.
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