I'm guessing it wouldn't be hard to also drive the LEDs to the right colors as well but I haven't spent time on that since I never look at the LEDs anyway. I'm sharing it here so others can take advantage of it. I noticed that there is already a kernel driver for this chip, but since I only needed very limited capabilities (just the ability to write the fan PWMs) I decided to just write a custom script to do this. So I discovered the hardware contains an IT8772E chip for which Google helpfully brings up this datasheet: I had read elsewhere there is some BIOS option to drive the fans faster, but lacking the VGA dongle to get into the BIOS I figured I'd investigate how to control them from Linux. I noticed the hard drives were consistently operating at a very high temperature (50+ C while idle) so I decided to investigate how to control the fans. This includes MacBook Pro (13, 14, 15 and 16 inch), iMac (21.5, 24 and 27 inch), iMac Pro, Mac Pro, MacBook, MacBook Air, Mac mini and Mac Studio.I recently installed Xpenology on a Terramaster F4-220 I picked up during the holiday sales that were going on. TG Pro natively supports both Intel and Apple Silicon Macs, from 2008 all the way up to the latest models. It is fully compatible with macOS 13 Ventura, all the way back to macOS 10.12 Sierra. It also has a separate secure service for fan control, only HTTPS/SSL connections and built-in support for the Internet Access Policy (when using Little Snitch). TG Pro is notarized by Apple and uses the Hardened Runtime. In addition, get local or email notifications for temperature and diagnostic events, along with full logging to a CSV file for further analysis.
If the Mac starts to get too hot, it's easy to either manually boost the fan speeds to improve cooling, or let TG Pro do it automatically using rules. See what was previously hidden, by viewing CPU, GPU, logic board, battery and HD temperatures, check hardware diagnostics to find problems before they occur, as well as fan speeds. It supports all Intel and Apple Silicon processors including the M2, M1 Ultra, M1 Max, M1 Pro and M1. Whether it's a brand new 2022 Mac Studio or an older model or anything in-between, it will help to keep it cool and running at peak performance. Extend the life of your Mac using TG Pro - all it needs is macOS 10.12 or higher.
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