What is it?

The Central Scrutinizer connects to an Apple M1 or M2 machine over USB-C, and exposes the integrated low-level serial port over a USB connection. It is also capable of performing a hard-reboot of the machine if you’ve crashed it. Finally, it offers a USB2.0 pass-through that can be used to boot the machine over USB using the m1n1 bootloader that is part of the Asahi project.

It provides a low-level debugging port to operating system developers, which is useful when you cannot count on a display to be avail