Questions tagged [undervolting]

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0answers
24 views

Intel XTU Undervolt settings not working between reboots

If I undervolt my CPU/iGPU via the Intel Extreme Tuning Utility (XTU) on windows 10, it asks me to reboot to save the settings, I hit ok, the system reboots, and voila, I have an undervolted CPU. ...
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41 views

Setting VCore offset in Asus ROG GX501 BIOS

I recently discovered and applied undervolting using XTU but I would like my changes to persist. Seems it can be done through the BIOS but unfortunately I don't see any “Ai Tweaker” in mine. Why is ...
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0answers
124 views

Complication with undervolt and format

When I tried to undervolt my laptop using Intel Xtreme Tuning Utility a dialog box appered telling me that Watchdog Coverage is not available on my PC so my CPU won't recover if it automatically shuts ...
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1answer
605 views

Struggling with underclocking/undervolting GPU to decrease temperature/load

I am trying to limit GPU for an app (that always runs on 100% usage) because it runs too long and too hot for my ease-of-mind. I thought undervolting or underclocking (with MSI afterburner) would ...
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2answers
865 views

Undervolt laptop is disabling my dedicated GPU

i have an acer E5-576G, core i5 8250U, graphic card nvidia MX150. When i play games or develop in unreal engine, the cpu temperature goes sometimes to 80-90 degrees (max that i saw was 97)(15-25 ...
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1answer
923 views

Is it possible to undervolt XPS 15 9560 - Kaby Lake 7700 CPU in Linux?

Currently I cannot find any guides or examples of undervolting (outside of XTU) for the XPS 15 9560 (kaby lake 7700) from within Linux / Ubuntu. Using TLP or other programs, is it possible to ...
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0answers
950 views

Undervolt and underclock CPU to save energy

I'm using old AMD Athlon 4400+ CPU on MB for mining. Since it's GPU extensive operation, main CPU is almost idle. I would like to undervolt and underclock it in order to save some extra power. I ...
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1answer
1k views

How to increase laptop/notebook USB voltage?

USB ports typically provide anywhere between 5-6V. If a laptop/notebook USB port is only producing between 4-5V; What can be done to fix (i.e. boost/increase) the output voltage?
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1answer
8k views

Undervolting with Intel' XTU - which offset should you reduce?

It is a pretty basic question, but I could not find an answer to this via Google. The value you are supposed to adjust is the "voltage offset". However, there are two kinds of values in the utility ...
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2answers
141 views

Is it possible to change screen backlight trough hardware means?

Given that after several days I didn't manage to change the brightness through software means (askubuntu.com/questions/577539/dell-chromebook-11-unable-to-set-backlight-and-sys-class-backlight-empty ...
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3answers
1k views

would I save power using a lower voltage power adapter? (on a modem)

from various experiences modems, access points, and other devices will often run fine even with power adapters of lower voltages (compared to their original power adapter). I am wondering if using a ...
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2answers
10k views

How to optimize PLL voltage

I am overclocking my Core i7 (Ivy Bridge 3770K), aiming for a moderate overclock. Currently I have it easily stable at a pleasant 4.4GHZ - BCLK defaulted at 100.00MHz, with the multiplier set to x44. ...
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1answer
486 views

Linux CPU energy saving hacks

I have a quad core CPU (Phenom II 945), because sometimes I need performance, but most of the time, 4×800 MHz (the minimal frequency) is still overkill for most usages. So, three questions ...
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2answers
1k views

Weird voltage issues - intermittent low 5V line

My computer has developed a strange ailment: when I turn it on, the 5V power line from the PSU is very low, hovering at around 4.2V. This is intermittent however, sometimes it jumps back up to 4.98V. ...
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0answers
559 views

What should I take into account when underclocking Intel i5-750?

I'm using my PC at idle all the time. I want to underclock the CPU at these hot summer days. I got into the BIOS screen, and I saw a setting for "CPU Clock Ratio". I reduced it from 21 to 9. After a ...
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2answers
2k views

Undervolting & Overclocking the Llano A6-3400M

The AMD A6-3400M comes with a significantly higher stock voltage than is needed to operate stably. Has anyone tweaked and stress tested all the P-states to lower voltages? I've stress tested the ...
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4answers
2k views

Is it possible to underclock ram

There is an application called granola for windows that can be used to underclock the cpu to consume less power. Is there also an application that can be used to underclock the ram to consume less ...
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1answer
9k views

How to undervolt a Core i3 laptop?

Using k10stat, I significantly undervolted all 3 p-states of my Athlon II P320 laptop, yielding a 10-20% longer battery run time. Are there similar tools for Intel's Clarkdale/Arrandale processors? ...