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  2. Power-on self-test - Wikipedia

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

    Using a logic analyzer or a dedicated POST card‍—‌an interface card that shows port 0x80 output on a small display‍—‌a technician could determine the origin of the problem. Once an operating system is running on the computer the code displayed by such a board may become meaningless, since some OSes, e.g. Linux, use port 0x80 for I/O ...

  3. macOS Ventura - Wikipedia

    en.wikipedia.org/wiki/MacOS_Ventura

    macOS Ventura supports Macs with Apple silicon and Intel's Xeon-W and 7th-generation Kaby Lake chips or later, and drops support for Macs released from 2015 to 2016, officially marking the end of support for the Retina MacBook Pro, 2015-2017 MacBook Air, 2014 Mac Mini, 2015 iMac and cylindrical Mac Pro. The 21.5 inch 2017 iMac is the only ...

  4. Macintosh startup - Wikipedia

    en.wikipedia.org/wiki/Macintosh_startup

    This iteration would be used for all versions of Classic Mac OS up to Mac OS 9.2.2, the last version of the Classic Mac OS operating system. In all instances, the "Restart" button would be present, which would allow the user to restart the computer from the operating system as the bomb screen typically prevents the user from further using the ...

  5. macOS - Wikipedia

    en.wikipedia.org/wiki/MacOS

    While Apple's previous iPod media players used a minimal operating system, the iPhone used an operating system based on Mac OS X, which would later be called "iPhone OS" and then iOS. The simultaneous release of two operating systems based on the same frameworks placed tension on Apple, which cited the iPhone as forcing it to delay Mac OS X 10. ...

  6. macOS Monterey - Wikipedia

    en.wikipedia.org/wiki/MacOS_Monterey

    The operating system is named after Monterey Bay, continuing the trend of releases named after California locations since 2013's 10.9 Mavericks. macOS Monterey is the final version of macOS that supports the 2015–2017 MacBook Air, Retina MacBook Pro, 2014 Mac Mini, 2015 iMac and cylindrical Mac Pro, as its successor, macOS Ventura, drops ...

  7. macOS Sequoia - Wikipedia

    en.wikipedia.org/wiki/MacOS_Sequoia

    macOS Sequoia (version 15) is the twenty-first and current major release of Apple's macOS operating system, the successor to macOS Sonoma. It was announced at WWDC 2024 on June 10, 2024. [ 4 ] In line with Apple's practice of naming macOS releases after landmarks in California , it is named after Sequoia National Park , located in the Sierra ...

  8. Glitch with 911 call system in Ventura County has been repaired

    www.aol.com/news/verizon-customers-calling-911...

    A Ventura County sheriff's spokesperson said Verizon customers called 911 and connected, but were unable to hear dispatchers responding to them. Glitch with 911 call system in Ventura County has ...

  9. macOS version history - Wikipedia

    en.wikipedia.org/wiki/MacOS_version_history

    The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9 , was a direct descendant of the operating system Apple had used in its Mac computers since their ...