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System Settings (known as System Preferences prior to macOS Ventura) is an application included with macOS. It allows users to modify various system settings, which are divided into separate Preference Panes .
The System Management Controller (SMC) is a subsystem of Intel and Apple silicon-based Macintosh computers. It is similar in function to the older SMU or PMU of PowerPC based Macintosh computers. [ 1 ] [ 2 ]
Microphone blocking adapters are phone connectors adapters with a microphone channel and a mechanism that produces a false positive signal simulating a connected microphone. This mechanism cannot be built by pairing multiple connectors: a headset connected to a 3.5 mm TRRS headset extension cable adapter further connected to a 3.5 TRS headphone ...
System Information, formerly System Profiler, is a software utility derived from field service diagnostics produced by Apple's Service Diagnostic Engineering team, at that time located in Apple satellite buildings in Campbell, California, that was bundled with the classic Mac OS since Mac OS 7.6 under the name Apple System Profiler.
Starting with the 2016 MacBook Pro, all new Macs were shipped without a startup chime, with the Macs silently booting when powered on. [7] The startup chime would later be added to these models (and all subsequent models since) with the release of macOS Big Sur in 2020, which can be enabled or disabled in System Preferences. [19]
Apple initially attempted to integrate the Control Strip’s features into the Dock. After this was found to be too clumsy, most of its features were again duplicated in the menu extras of 10.1. An attempt was made at an open source reimplementation of the Control Strip for OS X, but it never received much developer traction and the last ...
The System Folder is normally located directly below the root directory in the filesystem hierarchy, but does not need to be. The Mac OS identifies the "System Folder" by undocumented characteristics that are independent of its name (it has different names in non-English versions of the Mac OS), or its location in the directory hierarchy.
The Apple MagSafe power adapter's 1-Wire communication chip is located inside the MagSafe connector itself; the cable does not carry the data line to the power adapter enclosure. [18] The maximum voltage supplied is as follows: 14.5 V DC for the 45 W units supplied with MacBook Air; 16.5 V DC for the 60 W units supplied with MacBook and 13 ...