Dynamically Change OC Settings

[bharatwaja]

Here's the deal.... I got my QX9650 OCed to 420 X 9.....i.e. 3.8 GHz....

Now I am wondering... if it is possible to, you know, change my CPU clock setting dynamically.... like, I wanna run, say 2.2 GHz, and if I need, I can goto 3.0 GHz or any other OC setting. Not with the SpeedStep, even like, 3% load sends it to full OC and the voltage is not reduced when using C1E, it stays at 1.200 vcore even in cpu Z wen the clock is 420 X 6...i.e. 2.5 GHz, through speedstep....

I want to, like, dynamically change my OC settings, so whenever i need a specific speed, i can select it, but other times my computer is at 2.4 or whatever that i want.... Kinda like underclocked, but should be able to goto any clock from windows directly... is there a way???

My full specs in SIG...

 

[Drsignguy]

So, you are implying to change on the fly?

I know I can save OC settings in my bios and change whenever I reboot but on the fly, I don't think so. There is software that comes with my Gigabyte board but after making changes, I have to reboot anyways. Besides I don't particularly like any software making any changes to my system. There are to many variables to overclocking so, I wouldn't think you can................on the fly anyway..........

 

[DarkRogue]

I believe you could do something similar with laptops using Notebook Hardware Control.. I don't know if a similar program exists for desktops or not, though.

Edit:
It wouldn't let you change all aspects of your OC on the fly, but it would let you specify which multi's to use with what voltages, and you can specify manually under what load % to start changing to what multi.

 

[Rhoxed]

you can with AOD and phenom!

but on topic.

some mobo's have OC "aids" you can say

my MSI board has 3 levels of dynamic OC and it will increase each time the computer hits a load that is capping whatever prog being run.

 

[GundamF91]

THere was RightMarkCPU tool, it's great, basically let you control EIST/C1E manually (similar to Notebook Hardware Control). But unfortunately the development seems to have stopped this year, and the support for 45nm is not complete. It used to work great on my 65nm E4500, but with 45nm Q9450, it's no longer able to control the voltage even if I manually force multiplier, which defeats the purpose.

 

[Marty502]

CrystalCPUID does that with my Athlon X2. Throtles CPU speed up or down depending on what I want or need. It's very easy to use. And I think it supports newer Intel chips too. And it can also change voltages on the fly.

I can choose whatever multiplier I want, or just let it at automatic: 4x multiplier for light tasks (Around 1.1 Ghz on each core, WinAmp, Word, Media Player classic) and x9.5 for heavy games and whatnot, the CPU ramps to 2.8 Ghz.

Give it a shot.

 

[taltamir]

FYI, C1E Does reduce the voltage, it just so happens that the voltage droops lower and lower as utilization goes up... so with C1E and without you get 1.22v at idle and load, then without C1E you will idle at a bit higher, probably 1.29, and load at 1.22v.

C1E also introduces about 2-5% slowdown due to inaccuracies in the mechanism for dynamically downclocking (phenom gets 5-10% loss from that...), so even if you don't OC, disabling that will increase your performance right away.

Also it decreases the overclock stability.

"QX9650" - doesn't this have an unlocked multiplier? raise the multiplier some and lower your FSB.

 

[bharatwaja]

Originally posted by: DarkRogue
I believe you could do something similar with laptops using Notebook Hardware Control.. I don't know if a similar program exists for desktops or not, though.

Edit:
It wouldn't let you change all aspects of your OC on the fly, but it would let you specify which multi's to use with what voltages, and you can specify manually under what load % to start changing to what multi.

what is this notebook hardware control? is it something special to your model/series?? have u used it?

 

[bharatwaja]

Originally posted by: taltamir
FYI, C1E Does reduce the voltage, it just so happens that the voltage droops lower and lower as utilization goes up... so with C1E and without you get 1.22v at idle and load, then without C1E you will idle at a bit higher, probably 1.29, and load at 1.22v.

C1E also introduces about 2-5% slowdown due to inaccuracies in the mechanism for dynamically downclocking (phenom gets 5-10% loss from that...), so even if you don't OC, disabling that will increase your performance right away.

Also it decreases the overclock stability.

"QX9650" - doesn't this have an unlocked multiplier? raise the multiplier some and lower your FSB.

isn't this FSB OC better than jus OCing with multi?? I have OCed the Multi too.... now I have 10 X 420... i.e. 4.2 GHz.....

 

[bharatwaja]

Originally posted by: Marty502
CrystalCPUID does that with my Athlon X2. Throtles CPU speed up or down depending on what I want or need. It's very easy to use. And I think it supports newer Intel chips too. And it can also change voltages on the fly.

I can choose whatever multiplier I want, or just let it at automatic: 4x multiplier for light tasks (Around 1.1 Ghz on each core, WinAmp, Word, Media Player classic) and x9.5 for heavy games and whatnot, the CPU ramps to 2.8 Ghz.

Give it a shot.

Could you provide me a link to this?? (English link, I googled it, but could come up with links in some other language only)

 

[bharatwaja]

Originally posted by: bharatwaja

Originally posted by: Marty502
CrystalCPUID does that with my Athlon X2. Throtles CPU speed up or down depending on what I want or need. It's very easy to use. And I think it supports newer Intel chips too. And it can also change voltages on the fly.

I can choose whatever multiplier I want, or just let it at automatic: 4x multiplier for light tasks (Around 1.1 Ghz on each core, WinAmp, Word, Media Player classic) and x9.5 for heavy games and whatnot, the CPU ramps to 2.8 Ghz.

Give it a shot.

Could you provide me a link to this?? (English link, I googled it, but could come up with links in some other language only)

Never mind, found it.... I'm trying that now, will post how it went....

 

[bharatwaja]

Originally posted by: Marty502
CrystalCPUID does that with my Athlon X2. Throtles CPU speed up or down depending on what I want or need. It's very easy to use. And I think it supports newer Intel chips too. And it can also change voltages on the fly.

I can choose whatever multiplier I want, or just let it at automatic: 4x multiplier for light tasks (Around 1.1 Ghz on each core, WinAmp, Word, Media Player classic) and x9.5 for heavy games and whatnot, the CPU ramps to 2.8 Ghz.

Give it a shot.

u rock marty! this was the exact kinda program I was looking for.... I do have a few doubts....

I used multiplier management, set Min to 6X, med to 8X and max to 10X... I set voltages too.... but how do i know those voltages are being used when i select the specific multi?

I verified with CPU-Z, the multiplier and clock changes when i select Minimum, medium or Max, but the core voltage remains the same for all three settings.... how do i know if the voltages actually change???


Anyways, Marty, u jus ROCK!

 

[GundamF91]

If your CPU-Z is not reflecting a voltage change, then it's not working. CPU-Z reads the actual voltage, not VID, so it is a direct reflection of the vCore after vDroop.

 

[DarkRogue]

lol talk about multiposting

Anyway, it seems you have found a program, but to answer your question, yes my post was talking about Notebook Hardware Control, and I use it on my laptop, not to overclock, but to undervolt to preserve battery life. One thing I like about the T5500 is that it can (and does) go to max speed at minimum (0.95v) vcore, so I've got it at 6x-10x @ 0.95v. It works, and it was over 12 hours Orthos stable.

 

[bharatwaja]

If your CPU-Z is not reflecting a voltage change, then it's not working. CPU-Z reads the actual voltage, not VID, so it is a direct reflection of the vCore after vDroop.

But my temps are significantly reduced... like, about 6-8C in Idle and 12-15C in load.... How is it possible if the core voltage remains the same, even for the lower clock???

Anyway, it seems you have found a program, but to answer your question, yes my post was talking about Notebook Hardware Control, and I use it on my laptop, not to overclock, but to undervolt to preserve battery life. One thing I like about the T5500 is that it can (and does) go to max speed at minimum (0.95v) vcore, so I've got it at 6x-10x @ 0.95v. It works, and it was over 12 hours Orthos stable.

Still, my question is, is that Notebook hardware control specific to your notebook, i.e. your thinkpad, which is in ur sig?? Like, provided by the brand as some feature?

or is it a program/software??

 

[DarkRogue]

Nope, it's not specific to my brand, it's downloadable software.
Site here: http://www.pbus-167.com/

 

[bharatwaja]

Originally posted by: DarkRogue
Nope, it's not specific to my brand, it's downloadable software.
Site here: http://www.pbus-167.com/

oh that's good... now am jus gonna try that on my XPS M1530.....

Have u had/noticed significant battery savings with this??

 

[DarkRogue]

I'm not sure, the battery was pretty heavily used when I got it (over 240 cycles.) I'll need to get a new one, but as I've lowered the voltage, it should be consuming less. Whether or not it's significantly less.. I'm not sure. Dropping vcore by 0.250v is pretty huge considering I was hesitant in raising my desktop's vcore by 0.025v.

 

[GundamF91]

When you reduce the multiplier, even if the vCore stays the same, the temperature will go down, just not as much as if the vCore also reduced. That's the reason that vCore and mutliplier should go up and down together, but I am not sure if there's a program out there that can do this. My RightMark CPU used to do it for E4500 but it does not work on Penryns.

 

[bharatwaja]

Originally posted by: GundamF91
When you reduce the multiplier, even if the vCore stays the same, the temperature will go down, just not as much as if the vCore also reduced. That's the reason that vCore and mutliplier should go up and down together, but I am not sure if there's a program out there that can do this. My RightMark CPU used to do it for E4500 but it does not work on Penryns.

could you try out crystal CPU-ID on your q9450, see if that voltages remaining constant problem is specific to me???

 

[taltamir]

did you try disabling it? did the vcore during idle go up like i said? remember that the higher utilization your CPU experiences the lower its voltage drops.

 

[bharatwaja]

Originally posted by: taltamir
did you try disabling it? did the vcore during idle go up like i said? remember that the higher utilization your CPU experiences the lower its voltage drops.

I have enabled Load Line Calibration on my maximus formula, and so, the vdroop is not a factor... it droops less than .05 during load.....

In CPU-Z, currently, the vcore is being shown as 1.208v, in the bios i have set it to 1.213 as cpu voltage, with load line calibration turned on.... The cpu-z core voltage does not change at all from load to idle and vice versa.... I guess that is the effect of loadline calibration....

Originally posted by: taltamir
did you try disabling it?

what do u mean? do you mean disabling the multiplier management of Crystal CPUID??