Simple Undervolting Tutorial - Pentium M Dothan - Page 2

im way too lazy to read 20 steps let alone carry out 20 steps. but looks like a good post!

Kenshino,

Is the max VID being reported correctly on the management tab, but incorrect max VID on the general tab? That is what I am expeirencing. What's really strange is it wasn't doing this at first, but started some time after I got it all set up and applied Auto Management. It may have been after I changed the power scheme under windows.(RMClock states you should set it to desktop or always on) But even though it states the incorrect max VID under the general tab, it still tops out at what I have set it to (.998V, the factory low). So maybe this is just a bug in the display. The pop-up balloon also reports my max VID setting correctly.(.988)

Also worthy of note, is that RmClock is now only displaying about 50% CPU and OS Loads. This is under the General Tab if the program. This is while running prime 95 torture test. It had been correctly reporting 100% previously. Perhaps the two are problems related? Of note is that the tray icon sometimes reports a more realistic CPU load via its red graphical display.
(edit: I just realized the icon's graphical display is based on the FID, it seems it has nothing to do with CPU load)

These appear to me to be bugs in the way the program is reporting info, but not the way it is actually managing. But it is harder to actually tell about the actual CPU load than it is the Max VID. The fan runs less and it feels cooler than before. But is this just from the lower voltage, or is it never getting loaded to 100%?

This is my initial findings on my 1.6 Fujitsu S6231.
Anyone else find any strange behavior? Please post any abnormalities.

Man I did this and I colded out my chip. It went frozen and now it wont boot.

Any suggestions?

Since this is done in software it shouldnt be permanant, once you power off your comp it should go back to the regular voltage. Try taking out the battery and ac for a few minutes and try again.

lol that was a joke

never mind!!!

P.S. frozen = ice not system hang

Okily, didnt catch that one

Damn! Nice post!! This is exactly what I need! Setting values now. I tried this before but could never get those settings to take effect - was missing the HLT step! Thanks!!

Awesome! Gonna try this.

God knows I don't even need the 600mhz of throttled power most of the time.

In reference to my previous post.

If you experience problems with RMClock only reporting around 51% CPU use while running Prime 95 torture test, as I did, you should not have checked "Run HLT command when the system is idle". If you read the documentation, it makes it sound like if you have a Pentium M (or Centrino as the doc states ) that you should check it. I had to go into the directory and run "RMClock_wipeout" to make it delete the registry entries it makes. Then I just re-entered RMClock and set all the previous values I had, with the exception of course of HLT command, and now it no longer holds me to 50% CPU loads. Running Prime 95 now maxes out at 100% load like it should.

On the general tab, I still have the VID under the maximal heading showing 1.340V. Though I have set it to 0.988V under the Management tab. It reports 0.988V on the Monitoring tab and under the current heading on the General tab when I am at my max FID (multiplier). So it appears this just a display bug, but I will continue to play around and see what I can find.

Feel free to PM me if run into problems.

To those having trouble at step 8-10, make sure you also set Minimal VID to the lowest voltage before you mess around with the Maximal VID numbers.

Got mine stabilized at 0.924V (from 1.340V default)

going 45 minutes and counting on the stress test.

Awesome job needle!

Yeah it's on my i6000. The only thing I have running is fanGUI. Should i turn it off and try?

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The Task Manager reports a 100% load when using Prime95 but however, RightMark reports a 60-70% load only.

Is it something to take note of?

I set mine to 0.972 for Max VID and 0.700 for Min VID.

It bluescreened at 0.940 so i set it up two steps just to be sure!

My idle temperature is now at 49 degrees as compared to the previous 65 degrees.

What a great tweak!

Yup, tried enabling and disabling, disabling it made the load drop to 50+%, enabling it made it rise up to 60%. However, Windows Task Manager reports it as 100% all the time.

As a side note, I'm experiencing the display bug too

Okay, I tried. It still does the same thing. . Anything else that could be wrong? Maybe I shouldn't check "Run HLT command when the system is idle"?

Whitewind, Yes, a similar thing can be done. I assume you have the Athlon 64 processor. Check this link out. http://notebookforums.com/showthread...e+crystalcpuid

It works very well. The Athlon will never have the battery life of a Dothan, but it can get close. Using the program CrystalCPUID, I can bring my votage down to .800v which, you willnotice is darned close to where these Intel boys are getting their CPUs.

Now all we need is a way to undervolt the gpu. (without underclocking)