The ThrottleStop Guide

In RW Everything in the CPU MSR Register screen above, click on the User button. Second button, top left corner. This lets you enter whatever MSR you want to check. Click User, type in 0x1A2, click on Add, click on Done and then this register will be added to your MSR list.

0x0F690000

That number is a 32 bit number and Intel numbers the bits within that number from 31 to 0. 0000 are in the lower 16 bits which are numbered from 15:0. The digits 69 are in bit locations[23:16]. Intel calls that the Temperature Target which is the temperature when thermal throttling is supposed to begin. 69 hexadecimal = 105 decimal. That is the normal throttling temperature for your CPU, 105°C.

The F digit is in bit locations [27:24]. Intel calls this the Target Offset. F hexadecimal = 15°C

If you boot up and that F digit is not there, your CPU will thermal throttle at 105°C but because the manufacturer put an F in that register, your laptop throttles at 90°C (105°C - 15°C).

0x1A2 is the correct MSR register but I do not know how to set this register before Windows starts up. You can use RW Everything to edit this register and you can change that F to a 0 but when I tried this, it did not change the thermal throttling temperature. That is why I think there is a second register that needs to be changed. It is possible that this cannot be done after you have booted up into Windows. Maybe Dufus can help you.

@AhmedouviX - Not sure. It sounds like the amount of offset voltage you are using is too much when gaming. Do you have this problem with a smaller offset like -40 mV? When you say it works perfectly at -70 mV, what sort of stress testing have you tried? Did you try testing with the CPU partially loaded with 1 or 2 threads of Prime95 or similar. On TDP limited CPUs, it is a good idea to do both full load and part load testing. When gaming, unused cores will be rapidly entering and exiting various C States. The deep C States can cause freezes when undervolting. If possible, try disabling the Package C States.

 

@ThrolleStop - Many thanks for your help. I'll try to contact Dufus to see what can be done. I'll inform you if something goes in right way

@Dufus - Dufus! Are you there? Y tried to contact you by PM but seems the forum does not offers me that. Now I understand a little better how it goes, when you have time, I'd appreciate you to give me a hand about modifying the MSR on a PC, or if you know something about that.
According to the above question 'Insyde BIOS', I think I solved it, I don't have an Insyde BIOS.
-----------------------------------------
Otherwise, I'm trying to unlock my BIOS. I tried with AMIBCP, but as the original bios file from msi download page is protected, AMIBCP does not show me nothing to change. Do you know something about that? I think the offset is stored on bios, so...

 

Yes I'm here but sometimes busy with other things.

Insyde is a Company that writes (U)EFI firmware, so is AMI and UEFI should be standard regardless although sometimes there can be deviations. So while the example was Insyde it also applies to AMI.

Your not going to fix your problem by modifying an MSR. I'll put something together you can test your system with and then provide a fix from the results once I have some spare time.

Not sure if it's normal for those processors to run that hot, might be worth checking the cooling system and taking Unclewebb's advise with undervolting.

There really is usually no need for BIOS mods unless one needs to add something that isn't available at all rather than just hidden.

 

@Dufus - Hi! That was just a joking phrase xD...
I didn't know that about Insyde company, I just thought it was a type or brand of BIOS, but nothing else. Regarding to MSR changes, I thought I could not make any changes, after reading about how it works, the connection to the rest of the hardware... Now I know. I'll be very greatful to you if you can help me, and also it will be very useful to other people that is looking for the same.
Well, the laptop I have it's a high performance one, so it generates some heat when it's working at full speed, and even with its GTX 970M (unclocked vbios = not throlling temp). I know that 85-90ºC it's not a very good temperature to make working for a long period of time for a cpu, I'm aware of it. Maybe some people with the same pc model as mine, or perhaps other different brand systems with the same processor, or different cpu and general hardware setting but same problem with modified TJMax offset by the manufacturer, could be possible they were looking for an answer for I'm looking for. I mainly would like to know how to manage it because when I'm doing some process that requires a constant load from cpu, it always goes slower by decreasing its clock and voltage when reaches the thorlling temperature (90ºC).
I already reduced its voltage (offset -20mV = original voltage: 1.197v / reduced volage = 1.180v) with Intel Extreme Tuning Utility, and in very good conditions, it can continue working at 80-90% of full load and 3.5Ghz turbo speed without enable PROCHOT, but here I have not to use the dedicated GPU because when it start to work, it share part of its hot temp to the cpu ((same room space, and because the CPU cooler is shared with dGPU to mantein it at the same time as the cpu's cooler is working; the second cooler = just for dGPU, enables when it fully begin to work, but also on MSI GE series I can enable the two fans at full speed (about +10% of max predefined speed at full load) by manually pressing a button)). But sometimes it's not enough, even if I have a refrigerator basis, I'm not always at home, so I can't take the basis with me, just the latop and power supply. And I forgot to mention some thing about CPU too, IETU allows to me to OC a little more the CPU (safe overclock = it's a locked processor = not K or them), but going from its original maximum 3.5Ghz in turbo mode, up to 3.7Ghz, so this obviously makes the cpu to reach 90ºC on my computer and in less time.

 

@unclewebb

5820K with ASUS X99D BIOS 3101, cannot go past 43x multiplier. Seems to be that the bios is limiting throttlestop control? So I have to set the cpu multiplier to auto or set a maximum multiplier value to be able to control the multiplier with throttlestop?

EDIT: I set the CPU to max 50 in bios, auto doesn't let tstop control the frequency.

Cache doesn't seem to be adjustable, need more investigation to this. Cache and core voltage control works.

VCCIN control doesn't work, this needs to be 1.95v for best system stability but throttlestop seems to override the bios setting and can't turn it back.


EDIT2:

VCCIN problem solved.
When having SVID enabled, use SVID voltage override -> 1.95 *not need to adjust with tstop*

Cache setting, that can be controlled through the throttlestop slider, was looking at Min/Max cache ratio (user error)

CPU multiplier still cannot be increased beyond bios max ratio. Can this be fixed or is a bios limitation and no workaround?

 

Hi can anybody tell me quickly which checkboxes (C1E, SpeedStep...etc] should I check for Profile 1 ( Max Performance) and which for Battery saver, when I have Skylake CPU i7 6650U ?

Thanks

 

As far as I know, this is an ASUS board limitation.

 

X99 multiplier problem is limited to ASUS motherboard only?

Sucks to hear

 

I think so... I'm not 100% sure, unfortunately.

 

There is a register that ThrottleStop does not have access to that can limit the maximum multiplier. Some motherboards use this register and some do not.

I am not sure if this will help out but Dufus wrote a little tool called MaxMulti which sets this MMIO register to the maximum value so it is no longer a limiting factor. His tools tend to be written for specific problems so it might not work at all on the X99 chipset. As long as you are not working on anything important, it should not hurt to try it.

MaxMulti
https://www.sendspace.com/file/comwv8

If the TS - Set Multiplier feature is not working, make sure the FIVR - Non Turbo Ratio is set to 0.

Tom's Hardware was using TS during their new Broadwell E review so I assume TS more or less works on those. Some screenshots would have been nice. I know TS needs a tweak or two for full 10 core support. Without access to these new CPUs, I have to do a lot of winging it.

 

hmmm. strange. I have checked the Non Turbo Ratio in FIVR, there is 0 , but the speed of CPU is still variious . it completly ignores the setting of Multiplier settings for my Skylake CPU

 

That is just one setting that can control the CPU MHz. A Core i7-6650U is a low power CPU. Its speed is controlled by how many cores are active and by various power limits. Depending on the manufacturer, ThrottleStop only has access to some of these limits.

http://ark.intel.com/products/91497/Intel-Core-i7-6650U-Processor-4M-Cache-up-to-3_40-GHz

The 6650U has a default speed of 2.2 GHz. Any speed higher than that requires Turbo Boost to be active. When partially loaded, the multiplier will be constantly changing hundreds of times a second based on how many cores are active.

U CPUs work a little differently compared to an unlocked K series desktop CPU. A lot of users would like to be able to lock their U at the highest possible 3.4 GHz speed but this is not possible. Then they fully load it with something excessive like Prime95 and get upset when it starts to throttle. These processors are designed by Intel to throttle. They also use various low power C States including new ones like C8, C9 and C10 so a nice and steady multiplier is probably not going to happen very often.

If you have any specific problems, post some screenshots that show how you have ThrottleStop setup and what you are trying to do with it. I do not own a 6th Gen U and will probably never buy one of these so I depend on user feedback to learn more about them.

SpeedStep usually needs to be checked but C1E checked or not does not make much of a difference because CPU cores will be spending most of their time either active in the C0 state or inactive in one of the deeper C States. The percent of time a 6th Gen CPU spends in C1E is next to nothing.

 

unclewebb, is there anyway i can get my 4790K reach higher package C-states than C2? I have it set to maximum C6 on my bios, but no matter what it just stays at C2.

 

now I see. I have set the Battery usage profile to :

Multiplier - 6x
power saver,
disable turbo
bd prochot
speedstep
c1e

and thought that I will keep the cpu on constant 600mhz with lowest possible power consuption... but the cpu speed is not constant. now i know. Thanks

 

@unclewebb / @Mobius 1 could also use RWEverything and set MCHBAR + 0x5990 to FF. IIRC Intel stopped using that from BDW but my memory is not that good and this is from a fair while back.

 

Not sure what I should do with MaxMulti?

I extracted the file to desktop and try to run the exe while Throttlestop is open and it says "no access"?

 

Then Maxmulti does not work with X99. If you want me to take a look try the following which should produce 2 files. A "BIOS_*.bin" and a Dump_*.txt". If you can zip and post, link or PM them back I will take a look. It's in alpha stage so make sure you have everything save before hand

I'll post it later, need to pop out for a bit.

 

Did you extract all of the files in that download into a folder on your desktop? MaxMulti has to be able to find the WinRing0 library for it to run.

Hopefully this or an updated version of MaxMulti can get you overclocking.

@Samot - Some manufacturers like to give you options for Package C States like C3 and C6 but these options do not actually work as advertised. The Asus desktop board I recently bought has the same issue. It doesn't matter what I choose in the bios, only Package C2 is available. You might have to contact the manufacturer and ask them what is going on. Good luck getting an answer. So few people ask about stuff like this that manufacturers are able to get away with these deceptions.

 

Ts run on background, maxmulti all extract to folder does not work for maxmulti

I pmed dufus with the dump files

 

Thanks @Mobius 1 Had a look and couldn't see anything obvious. The limit in the other platforms started off as undocumented and then much later on got described as something it wasn't. Not sure why that was done that way other than to create a limit prevention that users got stuck with as it can be useful. Finding such registers without documentation can take some time and can be magnitudes harder if one does not own the hardware. Your hardware is quite a bit different than the normal DT or mobile system and this is why MaxMulti reports no access. I can try looking through the BIOS for clues but that will take some time. If I find something I will let you know.

 

So it isn't about throttle but problem of TS accessing the bios?

Because I can set to 45 in the bios and use throttlestop to set 40,41,42 etc for all cores.

 

Sorry it took me so long to respond (a year!). Just to refresh your memory, I'm having issues with ThrottleStop not being able to set a higher TDP than 17W. Intel XTU is able to do so, and yes, my CPU can run at full turbo speed (I've seen it up to 20W) for a sustained period of time running Prime95 small FFT test. I just tried the newest beta of ThrottleStop (8.10) and the issue remains. WIthout XTU, it's unable to go past 17W.

Here's a log from ThrottleStop of Prime95 running with XTU enabled, turbo boost short power max set to disabled, and turbo boost power max limit set to 45W (this is what Intel XTU calls the TDP?).

http://pastebin.com/j4mY7RMU

I would have just used Intel XTU but recently I came across a rather puzzling issue. Even though I set min and max % CPU in power options to 100% when plugged in, the CPU would drop from 2.79Ghz (full turbo when 2 cores in use) if the dedicated video card was under load. As soon as I open up ThrottleStop, this stopped happening! Can you explain this? So now it seems like I need both ThrottleStop and XTU. I would really appreciate if you could somehow get the TDP limits working in ThrottleStop again. The values are configurable but they don't do anything without XTU also installed.

 

Just for the record, ThrottleStop cannot modify or access anything in the bios.

For both questions, there are registers that ThrottleStop does not have access to and there is nothing I can do about that. The WinRing0 driver that ThrottleStop uses is limited. It is no longer being developed so I have hit the wall. If you need to run both programs to get maximum performance then you will have to continue doing that.

Prime95 is an excessive load for a mobile CPU, especially a mobile low power U series CPU. When using your device for any other real world activity, is there ever a need to go beyond 17 Watts? Based on your log, It looks like you could run pretty much any other software at full speed without needing to use XTU to go beyond the 17 Watt TDP.

 

So it's not possible to control the multiplier beyond the bios range?

 

Nope. I've tried, it's limited by whatever value you have set in the BIOS I believe.

 

Even if you set to auto?

 

@Dufus @unclewebb
4710hq is fu..ing chip:
47x,47x,47x,47x @ 1.4 volt
http://valid.x86.fr/rgthxc

 

Nice. Have you thought about placing some results on HwBot?

 

i will be submit soon.

 

OK, Dufus and me have finished the throlling temp issue on GE 62 2QF. Now it laptop start slowing down the CPU TEMPERATURE AND VOLTAGE at 100ºC, not 90ºC (last MSI offset).
Please, if you want the app ask for me (by private message) or Dufus. or you can post it on here.

Thanks Dufus, and of course ThrottleStop App developer!!!

 

Anybody? Whatfor is the BD prochot? Shall I keep the C1E checked also, when trying to achieve maximum graphic performance with my Iris GPU?

 

@xJohnSmithx I will point out for others that the app changes a hidden BIOS setting and therefore is BIOS specific so only good for the same BIOS version as you have.

@Curamrda BD PROCHOT is a way that your hardware can scream at the CPU "I can't keep up with this, slow down" and your CPU will drop to it's lowest frequency mode to accommodate when enabled. Other activation may be a result of switching from AC to battery and the embedded controller temporarily activates it to prevent shock loading the battery. For C1E why don't you try disabling it and see if it makes a difference for you. It's an old power saving tech.

 

Are there any ways for me to raise my i5 4210h turbo ratio limits? When 4 cores are active, the ratio drops to 34.

 

A 4210H only has 2 cores.

http://ark.intel.com/products/78929/Intel-Core-i5-4210H-Processor-3M-Cache-up-to-3_50-GHz
http://www.cpu-world.com/CPUs/Core_i5/Intel-Core i5-4210H Mobile processor.html

CPU World shows that when 2 cores are active, the maximum multiplier is 34 so your CPU is working exactly as Intel intended. ThrottleStop cannot be used to unlock your locked processor.

@xJohnSmithx - Great to hear that you broke through the 90°C barrier, with a little help from @Dufus. Just curious, does ThrottleStop show PROCHOT 100°C now?

 

Yes unclewebb, it shoes now '102ºC', not 90ºC as before.

 

What App Did you make and how can i get it i have a MSI GE722QF

 

Thanks for the pic. The official Intel throttling temperature for a Core i7-5700HQ is 105°C so 102°C is perfectly fine.

http://ark.intel.com/products/87716/Intel-Core-i7-5700HQ-Processor-6M-Cache-up-to-3_50-GHz

Not sure why some manufacturers decide to set this so conservatively. No guts!

 

Thanks for the great program!

I'm pretty new to understanding how modern cpu's and gpu's regulate their clockspeeds (things were so simple with Pentium and Athlon processors ), but I think I'm slowly getting there. Still some questions that I couldn't find answers to yet:

I'm on a MacBook Air 2013 running Windows in Bootcamp. The MacBook has the i7-4650U processor, which I know is an ultra-low voltage cpu. And I know the MacBook has a TDP of 15w with an unlocked TDP level 2 of 25w.

Now I'm not looking for massive overclocking at all, especially considering the poor cooling, instead I'm just looking for maximum steady fps while gaming.
I've decided to disable the turbo, set the multiplier to 17-20x, disable PROCHOT and C1E and force/lock TDP level 2.
Furthermore, I saw in intel's XTU that the iGPU is often current limit throttling, so I've increased the current from 32A to 36A.

Now here's the problem: the iGPU seems to draw most of the power while gaming. It can go up to 1100mhz, but then I still get current limit throttling and the iGPU gets too hot so I get thermal throttling as well. So, in XTU I've tried decreasing the processor graphics frequency ratio to 6.0-7.0x (600-700mhz). While this helps quite a bit, as soon as the temp gets too high for a sec, all settings seem to be ignored and reset. Meaning the processor suddenly ignores the limit of 600-700 mhz and jumps as high as 1050.

I know this thread is about Throttlestop, but given all the knowledge here I wondered whether my idea is correct that the CPU ignores any of the preset XTU settings when PROCHOT is reached?

Also, as soon as PROCHOT is reached, I am getting current limit throttling in XTU even when the cpu is only using 5 Watts. Why would that be?


Again, thanks for all the work and attention!

 

@TBE4000 For that app to work it needs Windows on GPT and the same BIOS. What is it that your machine is or isn't doing?

@MailManNL That CPU supports at least an extra 4 bins for up to 37x or 3.7GHz one core 3.3GHz two cores. Perhaps it can be unlocked. Graphics on my own Haswell runs a lot hotter Watt for Watt than cores. There is an override limit at MCHBAR + 0x5994 that should keep your graphics multi in check. If you have Windows you can try using RWEverything to set this.

 

Ok great, I will definitely have a look at RWEverthing!

I don't understand what the advantage is of running the CPU with a single core at 3.7 or two cores at 3.3 though. To me it seems I want the most out of my iGPU for gaming and not very high CPU clockspeeds. I've been underclocking the CPU to spare power and temperature because the game I am playing the most (World of Warships) is more iGPU dependent. Although it does seem like the iGPU is generating more heat than the CPU.

 

@MailManNL Running the CPU with higher clocks is a way of improving performance. I could undervolt and overclock with the two extra bins on my 4700MQ and use less power than using default clocks and voltage. It was JFYI. If you need to sacrifice CPU power for graphics power then fair enough. Still, undervolt the core and cache voltage as well as dropping the multiplier for best effect and of course undervolt your graphics as well. TS can undervolt all of those for you.

Also FYI when I tried adjusting voltage on my graphics, XTU graphics test would pass but artifacts would occur during the test. I don't know if XTU has improved since then but perhaps using another stress test might be advantageous if not.

 

Is it somehow possible go around the default TDP limit with the Throttlestop? my Iris 540 is running max 950mhz due the TDP limit, but my temperatures are max 70°C , so it would be nice to raise the power at least up 5W. The CPU and GPU is udervolted at max

 

@unclewebb using 8.1 here and i dont find voltage settings to undervolt, could this be bios/mobo restriction? 4960x.

 

I was referred to this section as seems I have a problem with clock speed on my alienware 15r2 and MSI GTX 1080.

I would appreciate any help on how to do this as am not a geek in computers

 

ThrottleStop voltage adjustment only works on CPUs that use the Fully Integrated Voltage Regulator (FIVR). The 4960X is based on Ivy Bridge E which does not use FIVR. No FIVR, no voltage adjustment in ThrottleStop.

@godwisper - You almost need to be a bit of a geek to use a program like ThrottleStop. I cannot remember off hand what specific problems the Alienware 15R2 has so at least post a screenshot of ThrottleStop so I can see what CPU model you have.

@Curamrda - Intel has decided to base throttling mostly on power consumption and not so much on temperature. Some laptops have good cooling and plenty of temperature head room but they end up throttling because the CPU reaches its TDP limit. If your Power Limits are locked or if adjusting them higher in the TPL window does not make any difference then ThrottleStop is not going to be able to help you. There is a multitude of throttling methods and unfortunately, ThrottleStop can not help with some of these.

 

@godwisper - For maximum performance, plug your laptop in, go into the Windows Power Options and make sure you are using the High Performance power profile with the Minimum and Maximum processor state set to 100%. My Lenovo looks like this.



When your laptop is completely idle and you are sitting at the Desktop doing nothing, what does ThrottleStop show for C0%. A reading of 6.8% for a hyper threaded Quad core processor is very high so I hope that screenshot was not when you were idle. You might need to open up the Task Manager and find out what is running in the background on your system. Windows 10 and some antivirus programs can run wild and gobble up resources if you let them.

Somewhere around 0.5% is a good number to shoot for.



Useless programs that are constantly running in the background that really do not need to be running will interfere with smooth game play.

After that, turn on the Log File option in ThrottleStop and go play a game for a while. I like seeing lots of data so 15 minutes or 30 minutes is fine. When finished, exit ThrottleStop and then go look in the ThrottleStop folder for the Logs folder. Inside there will be a file with today's date in its name. Attach that file to a message so I can have a look. (Upload a File) or you can copy and paste the data to a site like www.pastebin.com and post a link here.

If you are having throttling issues while gaming or while running 3D Mark, it should show up in the log file. Turn on GPU monitoring in the ThrottleStop Options window before you start logging data.

 

in that case afaik, the only chip that uses FIVR is haswell, so skylake/broadwell shouldnt have them and was removed put back onto mobo.

 

@ole!!! - You are right. ThrottleStop voltage control should not work at all on processors newer than Haswell but it seems to work pretty much the same on Haswell, Broadwell or Skylake. Haven't figured out why. The only differences I have found is that on Skylake, CPU and Cache voltage have to be adjusted to the same values and VCCIN voltage control no longer exists. The voltage control register is in the same location in all of these CPUs and ThrottleStop is not accessing anything else on the motherboard. A bit of a mystery but as long as it still works, I don't care. Intel can keep some of their secrets.

 

well i guess that way worked out for us lol, undervolting is a nice thing to have. btw what do you think of broadwell-E's turbo boost 3.0 on it's 1 core workload how it'll work with TS or affect TS in general?