![]() ![]() Set permission to run VoltageShift and it's kext by running these commands in Terminal: cd /Applications/voltageshift sudo chmod -R 755 VoltageShift.kext sudo chown -R root:wheel VoltageShift.kext 4. Extract and copy it to some folder, in this guide it is the Applications folder. If you are running Hackintosh using Clover, it's likely that SIP is already disabled, so you don't need to do step 1a.ĭownload VoltageShift from or from this post attachment. Note: instead of command 'csrutil disable' it is better to use this: csrutil enable -without kext 1b. The are a lot of web pages about SIP and how to disable it, for example. ![]() The Guide 1a.ĭisable SIP if you are running El Capitan (10.11) and later version on Macbook. This guide was tested on my Macbook Pro Late 2013 (model ME865) and Lenovo Thinkpad T440s (Hackintosh using Clover). Note: - Don't do it on pre-Haswell Macs/Hackintoshes (like Ivy Bridge, Sandy Bridge, etc.). My biggest thank to SI Creative for this very fine open source software!!! Now, the guide how to use VoltageShift to Undervolt/Disable Turbo Boost. The app is VoltageShift, you can read a brief manual and download it from. May be I don't have enough knowledge to run it Recently, I found a simple OS X app that can undervolt Haswell and later CPUs, it can also read/write CPU MSR registry. Provides an instruction of using kext load method that is more convenient.: it is advertised as a undervolt software for contemporary Macs.īut I never get it working (trial version). The use of its free version is not very convenient. I had found two apps but both of them are unsatisfactory to me: -: it can disable turbo boost, but can not undervolt. I spent a lot of my time for searching software in OS X that equivalent to ThrottleStop or Intel XTU in Windows. Introduction Hi everbody, Following my series of undervolting laptop and saving power consumption in my previous threads: -Today, I will introduce a way to disable Intel Turbo Boost and undervolt CPU/GPU in OS X for both Macbook running native OS X and Hackintosh. Download Turbo Boost Switcher 2.5.0 (free For Mac Download.Download Turbo Boost Switcher 2.5 0 Free For Mac.Download Turbo Boost Switcher 2.5.0 (free For Mac Pc.No fans.Download Turbo Boost Switcher 2.5.0 (free For Mac 3,7/5 9521 reviews Personally I just use an iPad Pro as a laptop and keep my computers in a datacenter. Someone should collect some data on how the power is actually used does it use less power to perform a calculation for 2 seconds at 1000MHz or 1 second at 2000MHz?įinally, my experience with overclocking is that it's AVX that really makes Intel chips heat up, regardless of frequency.Īll in all, I think this probably does nothing. It is also unclear to me that disabling frequency scaling results in a cooler computer. Is your computer that hot? Then it's fine. Dip your hand into some freshly boiled water. ![]() The reality is that what seems "pretty warm" to your hand is nothing to a computer. I have never heard of any of these happening. Maybe the heat melts the adhesive holding the battery in place and it starts rattling around. Maybe other parts will break because of too much heat around the laptop if it's on a desk made out of PLA or something, you'd want to keep the computer as cold as possible. Intel turbo boosts up to 100C and starts thermal throttling there because that's what they designed the chips for. It seems highly unlikely to me that the CPU running hot does it any harm. I can't imagine it would be for the vast majority of people. Is taking a 20% performance hit on your laptop really worth this? I'm interested. Maybe the death of these are accelerated by turbo boost, too?ģ) The integrated circuit's death was hastened by a meaningful amount (several months at least a dodgy thing dying a couple of days/weeks later doesn't save you from buying a new laptop). What do you think the odds are in him realising this benefit? Assuming he bins the laptop after, say, 5 years? (he's rich enough to buy a £1.3k minimum laptop, assuming it wasn't second hand)ġ) His laptop dies before he bins it in 5 years' timeĢ) It died becuase of an integrated circuit (the reason he cites) - in my experience old computers tend to die of things like exploded motherboard capacitors rather than ICs. This is not at all meant to be a criticism, but more a question: is taking a 20% performance hit, as the author writes, really worth it for a theoretical improvement in the lifespan of some integrated circuits? Are ICs actually how modern laptops break? ![]()
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