How can I shut down speedstep entirely???

I just downgraded from Vista that came prebundled on my T61 to WinXP pro. I disabled speedstep via BIOS and all other cpu power options, even turned the power scheme to ALWAYS ON, but CPU-Z still reads my processor as 1.2 ghz instead of 2 ghz. WTF? Please help?

Thanks.

 

You really should leave speedstep on. Most of the time, the processor only needs to run at the minimum speed in order to do its job effectively. Speedstep will speed the processor up if more power is needed.

Without speedstep, typically the processor will run at some preset (and not maximum) speed.

 

Yes of course..

But in my particular case, i have to do some audio encoding, and I need all the speed i can get to do this faster.

Anybody?

 

It should be under power management. You ought to have access to advanced options somewhere.

I don't know on the thinkpad because I've been waiting for mine since May, but in my Vaio (which was at my door 4 days after it was announced) it's under Sony's Power Management utility. I'd expect to find something similar on the thinkpud

 

You will get all the speed when its on full load.




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Do you have the battery plugged in? I found out that it will downclock if you have the battery unplugged even when running on AC.

 

I have the battery plugged in. I downloaded RMClock and Notebook Hardware Control. Both are displaying the correct frequency (2 ghz) after I do load some cpu intensive program (ie a game or cpu burn in prog). Oddly enough, CPU-Z or OCCT (the burn in program) does not correctly display the cpu frequency, its just at 1.2 ghz.

I always trust CPU-Z for my freq readouts, but seems to me like this is a first time where it has failed me. Any thoughts on this? or is it just a program bug?

 

Check CPU-Z's site for an update. Santa Rosa is a new chipset and may need some code changes.
I've found them to be pretty good about keeping up to date.

The latest version 1.40.5 reports correctly on my Vaio Santa Rosa which arrived at my door 4 days after it was announced.
Unlike the thinkpud which'll be more like 4 months on it's current schedule.

 

You should be able to disable speedstep in the BIOS.

 

But I can't see why you would like to do that.
Disabling speed-step means that when you don't need the laptop, it's consuming more power than needed. More power consumption, more heat and more wear for the laptop (apart from the frustration from the heat).
I really suggest you keep it as it is.