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T61 cannot go beyond 1.2GHz
Posted: Sun Sep 02, 2007 12:00 am
by sugo
Without battery attached running on AC, the 1.8GHz C2D T61 can only go up to 1.2GHz (slower than the 3 year old T42
), regardless of power profile settings in Lenovo Power Manager. Anyone sees the same issue? XP x86 here.
What is the proper channel to submit a bug report like this to Lenovo?
Posted: Mon Sep 03, 2007 12:54 am
by danny_isr
i got the opposite problem. it won't go below 2.2Ghz no matter what i do.
Re: T61 cannot go beyond 1.2GHz
Posted: Mon Sep 03, 2007 7:13 am
by Harryc
sugo wrote:Without battery attached running on AC, the 1.8GHz C2D T61 can only go up to 1.2GHz (slower than the 3 year old T42
), regardless of power profile settings in Lenovo Power Manager. Anyone sees the same issue? XP x86 here.
What is the proper channel to submit a bug report like this to Lenovo?
I had a Macbook pro that did the same thing (they all do in fact). The issue was related to a normal (as designed) power management function. Apple states "This prevents the computer from shutting down if it demands more power than the A/C adaptor alone can provide." I am willing to bet that Lenovo designed this feature into the newer Thinkpads for the same reason. I don't have a T61 to test this, but I am sure others can test for you. Also, I agree with their 'Important' note in the link below ... it also applies to Thinkpads.
http://docs.info.apple.com/article.html?artnum=305336