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IORegistry

SSD wear and IORegistry

It’s a simple and popular request: how is my Mac’s SSD ageing? How long is it likely to last? But macOS has no tool to offer, and 3rd party tools aren’t really ideal for M1 Macs still.

February 14, 2022 Macs, Technology

Last Week on My Mac: Miss Havisham Syndrome

Trying to get hardware info within an app – simple data like CPU details, logic board ID, type of internal storage – is fraught and undocumented, the victim of prolonged self-neglect.

October 18, 2020 Macs, Technology

Updated visual summary of the Mac boot process

Adds details of the sequence of screens displayed at each stage, to help diagnose boot problems.

September 17, 2018 Macs, Technology

Booting the Mac: Visual Summary

Single-diagram summary of how a modern Mac starts up in macOS 10.12 or 10.13, from pressing the Power button to running the kernel.

August 25, 2018 Macs, Technology

Booting the Mac: the kernel and extensions

How macOS gets to load a hefty kernel and over 300 extensions so quickly: it cheats with a pre-linked kernelcache. And why you don’t see extensions loading in the log.

August 23, 2018 Macs, Technology
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