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CPU downclocking
Name: jbs2k6 Date: May 19, 2009 at 06:52:08 Pacific OS: vista business CPU/Ram: Turion64x2/2GB Subcategory: AMD
Comment:
I have a problem with my HP DV2221 with Turion 64 Tl-56 1.8ghz processor that's driving me pretty crazy. It's got 2 GB ram. For some reason, this processor, after a certain period of time after booting, will lock into the 800 Mhz power saving state and no adjusting of the power settings like "power saver" or "high performance" help. It's just stuck. If I reboot the machine, the problem is temporarily resolved. The fan seems to be running normally and everything. Thanks
Laptops/notebooks generally don't run the CPU at full speed at all times...if they did, the battery life would be horrible & CPU would run hot, possibly even overheat. AMD uses "Cool 'n' Quiet" technology to vary the speed of the CPU based on load. In other words, your system is working as it was designed to work. If you want it to run the CPU at full bore, disable Cool 'n' Quiet.
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Response Number 2
Name: jbs2k6 Date: May 19, 2009 at 07:13:47 Pacific
Reply:
I'm sorry, I forgot point out that the CPU won't jack up to full speed when I'm doing something CPU intensive like H.264 video. It's just stuck.
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Response Number 3
Name: jbs2k6 Date: May 19, 2009 at 07:15:56 Pacific
Reply:
and thus, video is slow and choppy and CPU utilization is 100%. However, SOMETIMES, if I unplug the AC power, the cpu speed will jump back up and videos will run correctly.
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