Constant "EDP Other" under RING in ThrottleStop

[unclewebb]

You set the PL2 short power limit to 30W so your computer is power limit throttling at 30W. It is doing exactly what you told it to do.

Update to ThrottleStop 9.4 and set the TPL window so it looks like this. Power Limit 4 should be set to 0.

PL2 should be at least 60W, not 30W.

The Intel TDP power limit rating for an 8750H is 45W. Some manufacturers like Acer like to enforce this limit.

Intel® Core™ i7-8750H Processor (9M Cache, up to 4.10 GHz) Product Specifications

Intel® Core™ i7-8750H Processor (9M Cache, up to 4.10 GHz) quick reference guide including specifications, features, pricing, compatibility, design documentation, ordering codes, spec codes and more.

ark.intel.com

You can try setting PL1 higher than 45W in ThrottleStop but during a long term stress test, it will likely still power limit throttle down to 45W. That is what PL1 and PL2 lighting up red in Limit Reasons means. Power limit throttling. When this happens, EDP OTHER will also light up red under the RING column.

Clear the BD PROCHOT check box on the main screen of ThrottleStop.

There is no need to undervolt the core and the cache equally. Keep the cache at -120 mV and try setting the core to -175 mV or higher. Test with Cinebench to see if using different voltages improves performance or temperatures.

 

[Giorgio8]

i did everything as you told me and I think it helped me there is no more power and TP2 red limit... thank you ! and one more Question: can i lower temps without Disabling Turbo Boost?

 

[R4Qu]

Hello, I have read almost everything on the topic, I have watched a lot of guides in which most people generally have no idea what they are doing with TS, I obtained very stable benchmark results using trial and error. The problem is that PL1 is detected at some strange moment, it normally writes that it consumes 70W and the processor then has a maximum of 72C, suddenly the clock speed drops to 3.7Ghz and the power drops to 65W. I lowered the CPU Core by -160mV and the CPU Cache by -125mV because here the results were the best, further change made the situation worse or errors occurred during TS Bench. Changing PL1 PL2 in the program probably doesn't do anything because I can't exceed the 70W limit, but when I started searching the BIOS, I found a lot of settings regarding limits, etc. I changed the limit, but it doesn't seem to help, when I blocked the CPU OC and set the power limit, it consumed over 100W up to I was afraid that the processor would melt ^^. What can I change to still all time have 4Ghz? I pushed the RAM memory to the limit and the only hope is the CPU .

 

[unclewebb]

guides in which most people generally have no idea what they are doing with TS

That drives me crazy too. Every 15 year old with a YouTube account is an expert.

Did you try increasing Power Limit 1 in the ConfigTDP Nominal section? Try setting that to 70000 or 75000 instead of 65000.

Did you try increasing the Platform Power value?

when I blocked the CPU OC and set the power limit, it consumed over 100W

You cannot overclock a 9750H. What setting did you change to block the CPU OC?

Did ThrottleStop report over 100W? I cannot remember seeing a 9750H at that level.

Intel mobile CPUs are very similar to their desktop CPUs. People have overclocked similar desktop CPUs and run them at over 200W without any issues. As long as your CPU is not overheating, it should be safe if you can find a way to run it at a higher power level.

Some laptops use an embedded controller (EC) to enforce a long term PL1 power limit. The EC power limit is separate from the MSR and MMIO power limits that ThrottleStop has access to. If the EC PL1 power limit is programmed to 65W, there may not be a setting available in the BIOS that lets you get beyond this limit. In that situation, I would try setting IMON Slope to 50. This might help. It basically tricks the CPU into reporting half as much (50%) power consumption compared to actual power consumption. This trick might get you beyond the 65W limit. If the CPU gets up to 80W, it will only report that it is at 40W so it will not have any reason to power limit throttle. Watch the CPU temperature when playing with this setting.

I have never tweaked a recent laptop with an unlocked BIOS. You might have to search YouTube for a real expert.

 

[R4Qu]

Did you try increasing Power Limit 1 in the ConfigTDP Nominal section? Try setting that to 70000 or 75000 instead of 65000.

I changed the settings and saved, when I turn off the laptop it will go back to 65

You cannot overclock a 9750H. What setting did you change to block the CPU OC?

CPU Lock Configuration > Overclocking lock [ Enabled ]

Exclusive TS ability to Undervolt. If there is nothing in the program, all devices revert to utility devices.

As long as your CPU is not overheating, it should be safe if you can find a way to run it at a higher power level.

It then reached about 92°C+ and throttled. After blocking OC, it is not possible to change anything in TS except power limits.

If the EC PL1 power limit is programmed to 65W, there may not be a setting available in the BIOS that lets you get beyond this limit. In that situation, I would try setting IMON Slope to 50. This might help.

Where can I find this parameter?

 

[unclewebb]

Where can I find this parameter?

That is the problem. I do not know how to find or change the EC power limit. If the EC power limit is set to 65W long term then you might be stuck at 65W max. Usually the only way around this limitation is to change the IMON Slope value.

 

[R4Qu]

That is the problem. I do not know how to find or change the EC power limit. If the EC power limit is set to 65W long term then you might be stuck at 65W max. Usually the only way around this limitation is to change the IMON Slope value.

This is how we finally managed to maintain full 4Ghz clocks while working under load. I set Imon Slope to 40 and currently it shows a maximum power consumption of 38W. I will reduce Imon to about 10-20 to have a safety margin just in case. The temperature when running Cinebench R20 does not exceed 73 degrees on the warmest core. Currently I will try to fight and block 4.5Ghz clocks on all cores under full load. I wonder if it will work . Thanks UncleWebb






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