Undervolting the AMD Turion 64 ML-34 processor (L2000)

[vassil_98]

How are you able to set it to .875 and so on. MY voltage only goes down to 1.075 on the drop down menu. Is this good (i.e. my processor saying it cant go loweror it will die) or a limitation in the newest version of RMClock. My 4x is currently running great at 1.075 (actually .975 according to AMD meter) and I think it may be able to go lower.

You've got a Sempron, that is why .

[rockharder]

None of the above. It is a limitation of the newest revision Mobile Sempron. With 64bit enabled Mobile Sempron clocked as high as 2.2GHz coming AMD need something to separate it from their more expensive lineups. Otherwise the Sempron is just 'too good'. Intel is doing the same thing: They've got LV and ULV processors to sell at a premium, so you can't undervolt below the startup VID on the new Intel Core processors.

This is really a bad news. I hop Turion won't do that. AMD is marked for DIY, restrictions will push away players. Maybe hard wired trick still work like Athlon XP did? That's lot of work. But I only see Sempron have ULV mark, no any sign found in Turion yet.

[chinna_n]

This is really a bad news. I hop Turion won't do that. AMD is marked for DIY, restrictions will push away players. Maybe hard wired trick still work like Athlon XP did? That's lot of work. But I only see Sempron have ULV mark, no any sign found in Turion yet.

But you can still undervolt at higher steppings. Infact you save more battery that way, than actually undervolting at lower stepping.

[bananastalktome]

But you can still undervolt at higher steppings. Infact you save more battery that way, than actually undervolting at lower stepping.

huh? I have my laptop set up to work at 4x with the lowest voltage when on battery (800mhz is more than enough for taking notes) but you are saying that if I set it up to 6x at the same (or slightly higher/stable) voltage it will both increase power (1.2?ghz) and save battery? How is this so?

[rockharder]

huh? I have my laptop set up to work at 4x with the lowest voltage when on battery (800mhz is more than enough for taking notes) but you are saying that if I set it up to 6x at the same (or slightly higher/stable) voltage it will both increase power (1.2?ghz) and save battery? How is this so?

Yes & No. If you use 6x at same VID, you will surely save lot more power compare to 'what is originally marked in 6x VID', but not 6x will cost more than 4x for sure. When frequency changed, the impedance will change and that's why the power will not be linear to VID when you change the FID. It only linear when you fix FID and change your VID.

[chinna_n]

huh? I have my laptop set up to work at 4x with the lowest voltage when on battery (800mhz is more than enough for taking notes) but you are saying that if I set it up to 6x at the same (or slightly higher/stable) voltage it will both increase power (1.2?ghz) and save battery? How is this so?

No, I do not mean when you are running idle, but when you have load. For example if your processing is jumping around a lot while using, then it helps.

Lowest mulitplier with lowest voltage is better for least heat and least power consumption.

[rockharder]

Hi, just a silly question.

I use RMClock 2.05 and the system power control will show it is managed by RMClock. But after a long time of not doing anything, the system will automatically when to standby state, and never come back. I have to push power button to shut it off, and power up to bring it back.

Do any of you know what's wrong?

[brianstretch]

Check your Power Options. You've probably got System standby set to trigger at some point. Also, make sure your Power Scheme is set to Always On since RMClock is managing that now.

[rockharder]

Also, make sure your Power Scheme is set to Always On since RMClock is managing that now.

That is the problem. No matter how hard I have tried, whenever I changed working mode in RMClock, the power scheme will always change from Always On to RMClock Manage. I even delete RMClock Manage option in power scheme from control panel. But it always comes back after I change scheme.

In this way, I will never change any working mode but stay in Performance on Demand. Or I have to change Power Scheme every time after I change in RMClock, that is really handy.

[brianstretch]

Oh, I didn't know RMClock works that way. (I still use CrystalCPUID.) RMClock Manage is probably fine?