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  2. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    Macs made after 1987 but prior to 1998, upon failing the POST, will immediately halt with a "death chime", which is a sound that varies by model; it can be a simple beep, a car crash sound, the sound of shattering glass, a short musical tone, or more. On the screen, if working, will be the Sad Mac icon, along with two hexadecimal strings, which ...

  3. Macintosh startup - Wikipedia

    en.wikipedia.org/wiki/Macintosh_startup

    A Happy Mac is the normal bootup (startup) icon of an Apple Macintosh computer running older versions of the Mac operating system. It was designed by Susan Kare in the 1980s, drawing inspiration from the design of the Compact Macintosh series and from the Batman character Two-Face . [ 10 ]

  4. Sosumi - Wikipedia

    en.wikipedia.org/wiki/Sosumi

    Sosumi is an alert sound introduced by Apple sound designer Jim Reekes in Apple Inc.'s Macintosh System 7 operating system in 1991. The name is derived from the phrase "so, sue me!" because of a long running court battle with Apple Corps, the similarly named music company, regarding the use of music in Apple Inc.'s computer products.

  5. PC speaker - Wikipedia

    en.wikipedia.org/wiki/PC_speaker

    Site for old PC without sound cards. Programming the PC Speaker, by Mark Feldman for PC-GPE. Programming the PC Speaker, by Phil Inch: part 1, part 2 (includes a very detailed explanation of how to play back PCM audio on the PC speaker, and why it works) Bleeper Music Maker A freeware to use the PC speaker to make music (superseded by BaWaMI)

  6. Target Disk Mode - Wikipedia

    en.wikipedia.org/wiki/Target_Disk_Mode

    Target Disk Mode is the preferred form of old-computer to new-computer interconnect used by Apple's Migration Assistant. Migration Assistant supports Ethernet (wired) or Wi-Fi , which TDM does not. Neither supports USB ; however, Thunderbolt-to-FireWire, Thunderbolt-to-Gigabit-Ethernet, and USB-3.0-to-Gigabit-Ethernet adapters are an option ...

  7. Mac Pro - Wikipedia

    en.wikipedia.org/wiki/Mac_Pro

    The Mac Pro comes with EFI 1.1, a successor to Apple's use of Open Firmware (and the then wider industry's use of BIOS). [27] Apple's Boot Camp provides BIOS backwards compatibility, allowing dual and triple boot configurations. The following operating systems are installable on Intel x86–based Apple computers: [28] Mac OS X 10.4.7 and later

  8. System 7 - Wikipedia

    en.wikipedia.org/wiki/System_7

    System 7 (later named Mac OS 7) is the seventh major release of the classic Mac OS operating system for Macintosh computers, made by Apple Computer. It was launched on May 13, 1991, to succeed System 6 with virtual memory , personal file sharing , QuickTime , TrueType fonts, the Force Quit dialog, and an improved user interface.

  9. List of Mac models grouped by CPU type - Wikipedia

    en.wikipedia.org/wiki/List_of_Mac_models_grouped...

    The M4 Pro has 14 CPU cores (10 performance and 4 efficiency), while the M4 Max has 16 CPU cores (12 performance and 4 efficiency); both have a 16-core Neural Engine. The M4 Pro and M4 Max have a 20-core and 40-core GPU, and a 256-bit and 512-bit LPDDR5X memory bus supporting 273 and 546 GB/s bandwidth respectively.