11 Facts About Macintosh startup

On Macs running macOS Big Sur or later the startup sound is enabled by default, but can be disabled by the user within System Preferences or System Settings.

Macintosh startup chime is played on power-up, before trying to boot an operating system.

The sound indicates that diagnostic tests run immediately at Macintosh startup have found no hardware or fundamental software problems.

The first sound version in the first three Macintosh startup models is a simple square-wave "beep", and all subsequent sounds are various chords.

Macintosh startup recalls that Apple did not give him permission to change the sound but that he secretly snuck the sound into the computers with the help of engineers who were in charge of the ROM chips.

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Macintosh startup is the creator of the iconic "bong" startup chime in most Macintoshes since the Quadra 840AV.

The first generation of Power Macintosh startup computers do not use the Reekes chime, instead using a chord strummed on a Yamaha 12-string acoustic guitar by jazz guitarist Stanley Jordan.

Since 2012, the Mac Macintosh startup chime is a registered trademark in the United States, and is featured in the 2008 Pixar film WALL-E when the titular robot character is fully recharged by solar panels as well as in the 2007 Brad Paisley song "Online".

Happy Mac is the normal bootup icon of an Apple Macintosh computer running older versions of the Mac operating system.

Sad Mac is a symbol in older-generation Apple Macintosh computers, starting with the original 128K Macintosh and ending with the last NuBus-based Power Macintosh models, to indicate a severe hardware or software problem that prevented startup from occurring successfully.

The Macintosh startup II is the first to use the death chimes, a loud and eerie upward major arpeggio, with different chimes on many models.