It’ll reduce system security, but it doesn’t totally disable SIP so you do still have some level of security in place. MacBook Pro Core i9 throttling: How to fixĪccording to Rosenthal, to fix the throttling problem on the Core i9 model of MacBook Pro you need to put your system into a “custom” System Integrity Protection (SIP) to allow unsigned Kernel Extensions (KEXT). The solution provided isn’t going to please a lot of people though, as it’s very technical and could even void your warranty if something goes wrong with your shiny new MacBook Pro as a result of this fix. This would make it essentially useless for high-end video-editing capabilities. This meant that, even when running at its base clock speed, it wasn’t able to maintain output before it overheats and has to be throttled.
News around CPU throttling first emerged from tech YouTuber Dave Lee who alleged that the Intel Core i9 MacBook Pro can’t provide adequate cooling for any CPU-intensive tasks. “Following extensive performance testing under numerous workloads, we’ve identified that there is a missing digital key in the firmware that impacts the thermal management system and could drive clock speeds down under heavy thermal loads on the new MacBook Pro,” an Apple spokesperson issued in a statement. “We apologize to any customer who has experienced less than optimal performance on their new systems” The bug fix, issued as part of MacOS High Sierra 10.13.6 Supplemental Update aims to solve the up-and-down throttling the CPU experiences when running demanding tasks. New Apple MacBook Pro 2017 review: Kaby Lake makes this the upgrade you’ve waited for
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