The ThrottleStop Guide

Anyone?

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No.

 

Wow..... That was a short and sweet answer!!!!

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Sorry, there wasn't much to say about it. P870DM-G stock BIOS is junk. Clevo gimped it. You need @Prema BIOS to experience its full performance potential.

Clevo always produces machines with a crippled BIOS. The mighty P570WM monsterbook also severely crippled with the stock BIOS. With Prema BIOS it is the most powerful laptop in the world. To be fair, this is generally the case with most OEMs. With Prema BIOS the P870WM-G is the second most powerful laptop in the world (second to P570WM only because the P570WM runs more than a quad core CPU).

Nice! I want the Papusan Edition, too.

 

Hey.... No worries Mr fox. I like straight to the point. It's such a shame they limit there machines this way, and it's even worse it affects the machine running at stock speed!!!! P. S. Keep up the good work you do.

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I'm pretty confused about the Turn On / Turn Off feature; if I just use ThrottleStop for undervolting and disabling turbo boost in Battery Mode but keep default settings in AC mode, do I need the program in Active or Monitoring mode? And does one mode consume more CPU or memory than the other?
Switched from Intel XTU to Throttlestop and I am enjoying the interface/features of Throttlestop without it being a memory hog. Thank you for your hard work.

 

plus that xtu doesn't have 9/10 chance of bricking my AW18's nvram lol

 

@methylethylphenyl - Turn On - Turn Off only controls the Set Multiplier and Clock Modulation features. If you are not using those then you can usually leave ThrottleStop in Monitoring mode. Many of the newer laptops use throttling schemes based on power consumption. They rarely use Clock Modulation throttling. There is no need to check something off if it is not being used to throttle your CPU.

The next version of TS will be more efficient if you are able to leave it in Monitoring mode without any throttling issues.

Do some testing. Start with ThrottleStop in monitoring mode and then click on various features like Disable Turbo and see if it makes any difference to your CPU MHz or voltage or whatever.

@Mr. Fox - After you set the Non Turbo Ratio to 0, did you go back to the main screen and adjust the Set Multiplier value? Can you try setting this to some random value like 20 and then take a screenshot of TS with the FIVR screen open so I can have a look. No need to adjust your Turbo Ratios. Leave them however you usually have them set.

 

Good news... for whatever reason it seems to be working now. Following exactly the same steps before did not work, LOL. I even tried rebooting and setting BIOS defaults last time, so I don't know what was wrong before.

 

I think i have had the exact same issue before, but for me it seems to be related to the max core multi value in the BIOS.
That's why from your video I got the weird idea of just setting that to a high value and set the core multi in CPU settings section. And then control things from TS. That way I get exact the value of what voltage my processor is able to handle before hitting voltage limits.

 

Thanks for the reply, I wanted to ask the same thing! I'm using throttlestop only for downvolting i7 6500u in my Dell, and I didn't know if I had to use the turn on features!

BTW how do I know if throttlestop is actually working/downvolting? I can't see any decrease in temps. I copied the undervolting results over the 4 profile avayable, I've made throttlestop start at startup/login.

 

Thank you so much. It solves the problem. The grayed out options are really misleading.

 

1. Set one of your profiles to default settings (i.e. 0 undervolt - n.b. you still need to tick "unlock adjustable voltage" so that Throttlestop sets the voltages back to default).
2. Ensure that your "default" profile and your "undervolt" profile otherwise have the same settings.
3. Run TS Bench with enough threads to ensure that there is 100% CPU utilisation.
4. Switch between your undervolt and normal profile.

Depending on how much undervolt you are running you should notice a difference in the TDP (here's my example on a i7-6500U with a 75mV undervolt):

 

Did you accidentally use the same screen shot for both examples? They look the same.

 

LOL woops - fixed.

 

Please enable support for i7 - 5500U

 

TS probably has all the support for that CPU as it's going to get in the near and far future.

What about TS isn't working for you?

 

Thanks Mr. Fox for trying that one more time. I knew if Set Multiplier was working correctly on my Core i3 Skylake then there was no reason why it should not also be working on the Core i7 Skylakes. To be honest, there might be a SpeedStep bug in some of the Skylake CPUs that prevents the Set Multiplier feature from working consistently. The register that ThrottleStop accesses to control this is in the exact same location that it has been in every Intel CPU made during the last decade so that has not changed and the ThrottleStop code that sends information to this register has not changed so something is buggy somewhere. I might go read the datasheet to see if anyone is admitting to anything yet.

Edit - I could not find anything SpeedStep related but it is always fun to read the long list of documented bugs.

6th Generation Intel Processor Family
Specification Update

http://www.intel.com/content/dam/ww...s/desktop-6th-gen-core-family-spec-update.pdf

@illuzn - A 20°C drop in core temperatures at the same 100% CPU load makes it look like under volting is working for you. The CPU might have been running fewer AVX type instructions in your second screenshot but regardless, it looks great. Those 6th Gen U CPUs love to run on low voltage. Not sure why Intel set the default VID voltage table so high in their desktop CPUs. On a world wide scale, that is a lot of wasted energy.

@Joonas344 - Make sure you are running the latest version of ThrottleStop from my signature. ThrottleStop does what it can with the low watt U processors but sometimes that is not enough. Software alone cannot turn a low watt U into a high flying K.

 

I have an i7-6700HQ and I want to make it so the max boost clock on all cores is 3.5 Ghz, instead of only one core. Is this possible with ThrottleStop?

 

@kpopsaranghaex3 - Like most Intel Core i CPUs, the 6700HQ varies the maximum multiplier based on how many cores are active. It is usually only the K series CPUs that let you run whatever multiplier you like. ThrottleStop cannot help with this limitation.

http://www.cpu-world.com/CPUs/Core_i7/Intel-Core i7-6700HQ Mobile processor.html

 

Darn. I had a feeling this was the case. Thanks for the response!

 

Can u reupload m11x r2 bios recovery file. Please

 

Is it normal that throttlestop takes effect before I hit the "turn on" button? For example, when I untick the "BD PROCHOT" box, it turn off the thermal throttling immediately before I turn on the setting and also my CPU remain unthrottled after I closed the application. Thanks in advance for any help.

 

In short, yes - turning throttlestop on only affects the clock modulation and multiplier settings.

 

Sorry, missed this. Looks like a bug with TS applying lower VCCIN voltage. Without VCC sense line ADC onboard VCCIN VID needs to be read from MMIO otherwise we are only reading override voltage setting. With your 4700MQ settings a VCCIN setting of 1.6V shouldn't be a problem.

 

Is it possible to control the voltage of the iGPU in the intel 6300U? I change the slider to verylow voltages and it does not happens anything , cache and core work perfectly though.

 

Thanks for your reply.
Now I finally understand why the throttlestop works even though I didn't turn it on.

 

ThrottleStop does not have access to MMIO data. With no documentation from Intel, I think I have hit the wall making the VCCIN feature work correctly. If you have any suggestions, let me know. I have not got a lot of feedback about VCCIN so I have to assume that very few people use this. I could completely remove this feature from ThrottleStop but then someone might complain so I will probably just leave it as is. VCCIN is blocked on the 6th Gen CPUs so this feature is already end of life.

@Vect - I do not have access to a 6300U for testing purposes. Have you tried adjusting iGPU voltage for both Adaptive and Static? Sometimes one will work even if the other does not.

Edit - For testing purposes, I dropped the iGPU on my 4700MQ to a negative offset voltage of -50 mV, and then -125 mV and then -170 mV and finally at -250 mV; it locked up solid and I had to reboot. The stuff I do in the name of science.

If this does not work on a 6300U then I do not think I can fix it.

 

It definitely works on my i7-6500U. I would not think that the i5-6500U is that much different.

What you are probably doing is adjusting the voltages while the GPU is largely inactive (and obviously seeing not result). I have found with my 6500U that the iGPU is much less tolerant of undervolting than the CPU (at least before graphical corruption begins).

Personally, I run GPUtest x64 v0.7.0 (Furmark - other settings don't matter) then undervolt the iGPU until it crashes. This gives you the "hard" undervolt limit for the iGPU.

You will need to back off the undervolt from this setting though. I have found that when the iGPU wakes from sleep in particular, it is very sensitive to that undervolt and graphical corruption on screen results (and easy example, is upon maximising and minimising a window assuming you have all graphical effects enabled in Windows).

 

Hello,
I am completly new in this...and go thru almost 500pages for me is impossible....I am expecting to deliver new XPS 13 with Skylake CPU Intel® Core™ i7-6560U with Iris 540 GPU.

Can somebody provide me some easy steps how to use the Throttlestop to undervolt the CPU and GPU?

I have found that there is some VID settings, but not sure how to set it for all frequencies and where is voltage settings for GPU?

Thanks

//edit:

i found this video:



so basicaly what I only need is to go to FIVR window, cycle between CPU core/ CPU cache and Intel GPU radio buttons. Then check Checkbox Unlock Adjustable Voltage and lower the Voltage. Thats it?

Shall I set rather static voltage, or use the offset? Whats the difference?

I am trying to acomplish the same settings as in this article:
http://www.ultrabookreview.com/10395-dell-xps-13-9550-iris-540/

Undervolting with Throttlestop (-80 core/cache, -70 GPU) yielded a slightly improved score of 1049, which was still not the performance I expected.

But since its mobile CPU, the frequency and voltage is changing...so I guess I should use the offset mode, to undervolt it in every voltage setting, controlled acording power, stress and temperature of CPU?

I have also found out, that Intel Extreme Tunning Utility offers to set offset of Core/Cache and iGPU voltage Offset. So is there any particulary reason why rather user Throttlestop instead of XTU for changing voltage of Skylake mobile CPU?

 

ThrottleStop does not have any fancy graphs so it tends to be more efficient compared to Intel XTU. When you get your new laptop, try doing some benchmark testing with each program. For a fair test, reboot, open up the Task Manager and make sure XTU is not running in the background when using ThrottleStop.

Offset voltage is more appropriate for your U CPU.

That's it. Adjusting voltages is not very complicated at all and can be quite productive. I have heard that some 6th Gen U CPUs can run 100% reliably with significantly less voltage. You will need to do lots of testing to make sure that your laptop is still stable at the lower voltage.

 

Understood about no memory access with TS, just posted for information purposes. I can set via MSR a VCCIN of 1.5V on my 4700MQ but with TS a value of say 1.7 or lower causes what seems like a freeze and black screen or maybe the CPU has just stopped. Whatever, it requires a forced shutdown and reboot so just passing some observation that I had not noticed before.

Fair enough about EOL, well until Cannon Lake maybe?

 

OK. I will try next week when XPS will be delivered. Do I have to save some profile and load it everytime after startup? Which version of Throttle Stop should I use for Skylake with Iris 540? 6, or 8 beta?

 

@Dufus - Can you try setting VCCIN manually to 1.50 V using your tool and then have a look and see what TS reports in the monitoring section of the FIVR window.

Entering a VCCIN value of 1.75 V into ThrottleStop will store 0x700 in the VCCIN register.
0x700 = 1792
1792 / 1024 = 1.75 V

Is this value correct? Does it have to be combined with another value read from MMIO? Send me a PM if you have some more secrets about VCCIN that you can share.

Edit - Today my laptop is quite happy with a low VCCIN setting.



I went from 1.75 V to 1.65 V, to 1.60 V and now it is down to 1.50 V with no issues. Before I was getting black screens and then having to reboot after that. Maybe going down in steps like this is easier on the CPU than going directly to a low VCCIN from the default VCCIN. The magic register is showing 0x600 at 1.5000 V.

@Curamrda - Skylake did not exist when TS 6.00 was released so you definitely need to be using the latest version from my signature. Maybe TS 8.20 will be ready by the time your new laptop arrives.

 

TS readings are fine when it doesn't crash. Once the override is set then it should be the same as the MMIO reading only difference is a VID is obtained when at default (no override) which for my 4700MQ is 1.791V. So not having MMIO for VCCIN is no biggie besides we still don't see the real voltage with vdroop and idle states with VID.

I can go directly to 1.5000V from default with my own software, just one core programmed as it's a package deal. Not sure why TS causes the black screens with the big jumps, seems okay for the smaller ones as you have stated. Doesn't have anything to do with MMIO.

 

Hello to all.

I'm using Core M 5Y10c with Throttlestop undervolting the CPU and GPU, because it has 6W power limit on Teclast x2 Pro tablet.

1. First question relates to TPL settings. In TS 800 b6 I could change Primary Plane Power Limits, put 'Clamp' flag to any figure and it directly effected total CPU package power limit. I could run OCCT and total CPU package was 4W, 7W, 8W - any, I set.
In TS 810 b2 I can still adjust Primary Plane Power Limits, but there is no effect on actual CPU package under load...

What has changed since previous versions of TS that may influence these power options? There is no previous versions archive in this topic, and I cannot download old versions and check this again.

2. This question relates to PL1 power limit reason. Under continuous 100% load, for more than 30 minutes, max power limit drops from 6W to just 3W or even lower, however CPU/GPU temperatures are below 80C (temp throttle is at 92C). After being idle for several minutes and getting cooled, it again works at 6W.
According to the discussions on Surface, PL1 power limit is adjusted according to the overall device temperature, Tcase (or something else?)
https://www.reddit.com/r/Surface/comments/3uu2xu/yes_the_surface_pro_4_has_thermal_throttling_but/
It's interesting to know, what are the real reasons of PL1 limit decrease and how it can be adjusted. Also it will be of the core importance to verify the VRM temperature impact on this PL1 power limit reason. But there is no info on other temperatures rather than CPU/GPU in monitoring utilities...
So, have anyone faced the same issues on your devices?

Thanks for replies!

 

I cannot think of any recent changes in ThrottleStop that would have changed how a Core M 5Y10c works. There is some version info in the included ReadMe file but I do not see anything related in there. Unfortunately I do not keep old versions of ThrottleStop. If you have a previous version available and it has expired, you can usually roll back your system date to get that version working again.

Some modern devices use a skin temperature sensor. A tiny IR sensor on the motherboard will point up towards the inside of the case and based on this temperature, the CPU can change to a lower TDP value and there is usually not much that ThrottleStop can do about that.

One change in the last few months where I live is that the outside temperature is getting a lot warmer. A small change in room temperature might make the difference as to whether your CPU operates in normal TDP mode or in its reduced TDP mode. In the TPL window check out your TDP Level Limits. It sounds like your CPU is going in to the lowest TDP Level. You can try blocking this but there are multiple registers and sensors that ThrottleStop does not have access to that can trigger these TDP changes. Even if I had a Core M 5Y10c to play with, I do not think there is anything I could do to keep your CPU in high TDP mode.

@Dufus - I am not sure why I was previously having black screen issues when playing with VCCIN but now it works fine. I am going to try going from Default VCCIN directly to 1.50 V and see what happens.

Edit - No issues adjusting the VCCIN from Default to 1.50 V so not sure what was happening before.

 

Thanks for prompt reply!
It looks like that was a some kind of glitch. Because I found TS 800 b6, and now this trick is not working. It hasn't to work actually, as PP0 acts within total cpu/gpu package, which is limited by 6W in bios.
The only way now is to unlock bios

 

I'm getting problems to disabling the thorlling (90ºC) on i7 5700hq
I check 'Disable BD PHOCHOT > press over 'Save' button > press over 'Turn On', but when I force the CPU, its still enabling its throlling temp.

Please, if someone could help me...

 

@xJohnSmithx - Disabling BD PROCHOT has nothing to do with disabling the thermal throttling temperature. Blame Intel for the confusion. Disabling BD PROCHOT disables other sensors on the motherboard from sending a throttling signal to your CPU. ThrottleStop does not have any options to disable the thermal throttling temperature. If your CPU is too hot then it is your job to cool it down and fix that problem. Some new thermal paste and opening up your CPU case with a drill or similar tool might help get some airflow in there. If it was my laptop, I would contact the manufacturer and tell them they can have it. Not enough people complain about poor design so it is everywhere now.

 

Also, Intel XTU is much more resource intensive. It requires a background service to be started at launch and the XTU control panel itself takes forever to launch. Meanwhile, my laptop has been running for 15 hours - Throttlestop uses 688KB of memory and has consumed a grand total of 12 seconds of CPU time. Even with the monitoring window open (rather than minimised) Throttlestop only consumes 940KB of memory and its CPU is so minimal that it only registers 1 second of CPU use time after having Throttlestop open for around 2 minutes.

All in all, very resource efficient.

With undervolting the GPU, I have found that Skylake U has very stable undervolts (even when undervolting by around 70-90mV). However, and this is a big but, those undervolts are not stable when the GPU is transitioning from idle to in use. For example, when a Windows Aero animation uses the GPU. It is in these partial cycle scenarios that I get blue screens of death or recoverable video card errors. This is not a problem if you use an AC and a DC profile where:

1. The AC profile runs a higher undervolt.
2. in the Power Options you set your Intel Graphics settings to Maximum Performance on AC power.

This probably causes marginally more power consumption while plugged into AC power but it's not really noticeable in the scheme of things.

 

Thank you for your reply, but I have to mention that I have not problem with CPU temperatures. The message I wrote above before asking about that, is because I can't mantein the CPU to the maximum turbo boost frecuency when it arrives to the throlling function, that is = 90ºC. When the CPU reaches 90ºC, starts to slower the temp by dropong its frecueny from 3.5Ghz to 3.4, 3.3, 3.2.... and I would like to have as much stable as possible over 90ºC. My laptop (MSI GE62 2QF).

 

@ unclewebb Hi, I was trying to lower power consumption and extend battery life by enabling C7 package state. I'm using throttlestop 8.10 and I'm on a lenovo y50-70 with an intel i7 4702HQ. In the C state window i can see that Package C State limit is locked, there is any chance to edit it? I'm already running with the last bios available. My processor stays 85-95% in C7 when idle but the Package C state only show a 1% on C3 and 0% on C7. I'm forcing the clock at 1GHz and when I'm connected to AC in idle my package power is about 10-15W and when I'm running on battery it goes to 4.5-7W, do you know if there is a way to lower power consumption?
Thanks in advance

 

@TheNico14 - When the package C State button is locked in ThrottleStop, that is because the bios has locked this feature. The only way around this is by using an unlocked bios which might not be available for your laptop.

If you are seeing package power at 10 to 15 Watts when your CPU is supposed to be idle then it is not very idle. Here is how my Y510P looks when idle on AC power.



If the CPU is constantly doing background processing then it is not going to be able to spend much time in the deeper core and package C States and battery run time will take a hit when running on battery power. Use the Task Manager to find out what is running on your computer and see if you can get rid of it. Lots of apps leave crap running when it really doesn't need to be running 24/7. ThrottleStop stays running but it tends to be more useful and more efficient compared to most crapware. Forcing the clock to 1 GHz might not be such a good idea. A slow CPU is an inefficient CPU and it will end up spending less time in the low power C States. Getting background tasks done quickly isn't so bad. Here is a good paper that looks at this subject.

Power Optimization - a Reality Check
http://www.cs.berkeley.edu/~krioukov/realityCheck.pdf

@xJohnSmithx - Can you post a screenshot of ThrottleStop when your CPU is throttling and can you also attach a log file? The typical Intel thermal throttling temperature is 100°C but some manufacturers are using an offset to this temperature. If they set this offset to 10°C then your CPU will start to thermal throttle at 90°C instead of 100°C. Without a modified bios, there is nothing you can do about this. Does the Limit Reasons program work on your laptop? If it does, try using that to see what the cause of throttling is. Your throttling problem might be power related.

 

@xJohnSmithx Unless you have a super locked down system these variables can usually be changed without a BIOS mod, even from Windows if you are running full UEFI. This has been explained since 2009, not sure why it never caught on.

Here's some post's from 2009 when I was known as 0.0, lost my password later on and had to make a new username. A guy going by the name of donovan did some great things with Insyde BIOS .

Of course there may be times when more than a variable change is required such as a code injection and that would be a mod. However most of the settings are usually just hidden so only a variable needs to be changed without flashing a modded BIOS.

 

@ThrolleStop - Here you have a short video showing when it reaches the 90ºC temperature on my pc, and also the log: Video (MP4) | Log (txt) . I can execute the Limit Reasons without problem, you can see all on the video. Also, I didn't know that could be possible to offset the thorlling temp to lower

@Dufus - Hi! thank you for give me a hand.
My bios is 'Megatrend' (AMI) ( https://es.msi.com/Laptop/support/GE62-2QF-Apache-Pro-5.html#down-bios), the bios file is named as "E16J1IMS.113", and I have updated my last bios version to this, just 4 days ago. MSI explaing that C-STATES function (enable/disable) was added to the '.113' update. Otherwise, I have C-STATES disabled on bios.
By the other hand, I run full UEFI mode, I think... (bios offers me to set UEFI/UEFI WITH CSM/LEGACY), so I have selected the UEFI mode.
Relating to InsydeBIOS, could you make me a brief explanation about what is it, or how it could be useful for me, and of course if it will be compatible with my bios and laptop?

PD: I was looking for an application that can modify Aptio AMI bios (AMIBCP). Does it work? Or how could I unlock hide options?
EDIT: I just downloaded AMIBCP 4.53, but it looks like that needs a .rom/.fd/.cap file to make possible to modify the bios file, so I'm able to open the bios file from MSI webpage, but cannot see more than this: Screenshot

 

Hi, @unclewebb

Great job as always. About Interrupt response limit:

I have set C3 to 96, C6 to 112, C7 to 176. (I think C7 isn't available on my desktop Sandy Bridge, but anyway.)

In the .ini file the following lines appeared:

PKGCxIRTL00=0x8860
PKGCxIRTL10=0x8850
PKGCxIRTL20=0x8850
PKGCxIRTL30=0x8850
PKGCxIRTL01=0x8870
PKGCxIRTL11=0x8868
PKGCxIRTL21=0x8868
PKGCxIRTL31=0x8868
PKGCxIRTL02=0x88B0
PKGCxIRTL12=0x88A0
PKGCxIRTL22=0x88A0
PKGCxIRTL32=0x88A0

Why is there a difference in every first value? A bug? Edit: How could I be so stupid, those are the default values of the other profiles.


What is Time Unit?

Thank you.

 

@xJohnSmithx - According to the docs, the Intel specified thermal throttling temperature for the Core i7-5700HQ is 105°C.

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

I have not watched your video yet but the initial ThrottleStop screenshot shows PROCHOT 90°C. This means that your device manufacturer is probably using a negative 15°C offset which reduces your thermal throttling temperature from 105°C to 90°C. The offset value is in MSR 0x1A2 bits[27:24]. Those 4 bits are all set so they need to be zeroed out before Windows starts. You can check this register with RW Everything. This register is read / write but changing this register after Windows boots up does not seem to change the offset value. There could be a secondary register hiding somewhere else that also needs to be changed. Hopefully you and Dufus can find a simple way to get this changed from within Windows. Count me in if any testing needs to be done.

Edit - I watched the video and at the 23 second mark, ThrottleStop and Limit Reasons by Dufus both report that thermal throttling is starting at a mere 90°C.
Edit #2 - Hopefully you are using ThrottleStop to reduce your CPU core voltage. A negative offset of -50 mV to -100 mV will help reduce power consumption and heat so you can get a little more out of your CPU before it hits the 90°C barrier.

@GrofLuigi - When ThrottleStop starts up for the first time, it copies the current Interrupt Response values from the CPU to each profile and saves that to the INI file. ThrottleStop does this with quite a few different values.

The IRL registers are documented in the Intel public documentation. To learn more, download Volume 3 (3A 3B 3C 3D) and scroll down to Chapter 35 which lists all of the various registers. Do a search for 60AH and then do a second search for 60AH and you will see some stuff about the Time Units

http://www.intel.com/content/www/us/en/processors/architectures-software-developer-manuals.html

I am not sure what all this means. Adjusting C7 IRL gives me a way to disable any of the package C States on my 4700MQ so I decided to include adjustment of these registers in ThrottleStop.

 

@ThrolleStop - I checked, not with RWEveryting because I couldn't find the specific value on it, even if I have entered to the right tab (CPU MSR registers). But I got it otherwise and was "0x0F 690000" that means my CPU supports up to 105ºC, but as you mentioned above, there could be another hiden register on there that modify the original supported max temp to 90ºC.
I don't understand what you are tying to tell me with 'MSR 0x1A2 bits [27:24]', what are these two pair of numbers? What are their function on there?

Here I attach you a screenshot of RWEverthing showing the MSR Table. Could you show me on there which is the CPU MSR value that reffers to Temp Limit Target? It's modified (90ºC) or original (105ºC)?


And another thing, if I got the MSR 0x1A2 (105ºC) measurement directly, what is the memory address that can read without problem ThrollingStop? I think if we know WHERE ThrollingStop reads its value, and not the original TJMax (105ºC) that I could access, we'll get the correct MSR address to modify! Or I'm on the wrong way...

 

any slight change in offset voltage causes games to crash and the laptop freeze only while the game is opened. any idea why i am having this problem? i am getting freezes only when i have a game opened, other than that it works perfectly on -70 mV.