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Topic Title: Why does my AMD Processor's usage are always going UP and DOWN.
Topic Summary: Processors speeds with battery and speeds when pluged in.
Created On: 01/31/2008 05:19 PM
Status: Read Only
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 01/31/2008 05:19 PM
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Junior Member

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Joined: 01/31/2008

I have a new HP Pavilion Laptop w/ an AMD Turion 64 X2 Mobile TL-64 w/ 2 GB RAM. Running Vista 32 bit.

I have noticed everytime i unplug my laptop and make it run on batteries, the processor speeds goes up and works around 75-100 percent. When i plug the power back in, the speeds slows down to around 25-45 percent. I do this with dual core monitor displayed on my screen.

1-Is this trying to tell me something?
2-Why does it speed up and stays constant at high levels with my battery alone?
3-Would this be robbing me of my battery time?

Someone please explain how power sources affect processors..
 02/02/2008 02:47 AM
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Mad Scientist

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It's weird that the CPU usage is going up. You probably have something running in the background. Spyware/trojans, or just programs that start when Windows loads (startup processes) that don't need to be running but set themselves to. (sorry if you know this, I don't want to make you feel dumb but I don't want to assume you know everything, plus it's late at night and I'm bored so I just type lol)

With my mobile AMD processor, when I unplug the laptop its speed goes from 2.2GHz down to 800MHz. This is called Thermal Throttling, I believe. I think Cool 'n Quiet is responsible for this or something.

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Phenom II X4 925c2 @ 2.80GHz (95W)
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Check it out.
 02/02/2008 12:22 PM
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I am having the same problem with my Compaq (HP now) V3019US laptop. I have owned the laptop over 1-1/2 years and all was fine. As far as I can tell, the problem started with a BIOS update two weeks ago, to version .F39 (F.39?). The laptop runs at HIGH voltage/speed on battery and LOW voltage/speed on AC power. YES, this robs battery life, tremendously. I used to get ~1.5 hours. Battery life is down to ~45 minutes now.

If you have a newer laptop, with Service Calls available maybe you can contact HP/Compaq for an answer and post here.

What BIOS version are you running?

 02/05/2008 12:25 PM
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well, i just bought it and owned it for two weeks. I took out the Vista Areo and the sidebar. It ramps up when it runs on batteries alone and is this typical?
-You try it,
-Get a gadget that reads the processor speed or you could just use the task manger.
-See what happens with battery in and power adapter in.
-Then unplug the adapter.

I did not download any other software except the recomemded security updates. Just had it for a week and i noticed this. BIOS update? did you get that fixed already?
More Specs.

HP Pavilion tx2000
Vista Home Premium 32 bit
AMD Turion 64 X2 Dual Core @ 2.2
2 GB ram 667mhz

Bios version--???

For the people who owns tx1000, i really recomend the upgrade to tx2000. If you have the money, get the upgrade. The wacom digitizer built in is totally awesome. I previously owned a tx1000--- upgrade for 400 bucks more, and it was worth it!!. And they fixed out the obvious bugs. Although it is still a little slugish, try getting a faster processor and bigger ram.
 02/26/2008 12:46 AM
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What exactly have they improved on with tx2000?
I'm not really keen on upgrading just because they put in WACOM.

"Freedom in capitalist society always remains about the same as it was in ancient Greek republics: Freedom for slave owners." V.I.Lenin

HP tx1000 | Touch-screen | TL-64 Tyler | 4GB RAM | SSD + HDD dual drive | 802.11n | Win7 U-64 + Vista U-64
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