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As the classic Mac OS lacked memory protection, "hard crashes" where an application crash simply froze the entire system weren't uncommon. With MacsBug installed, instead of an unresponsive system, the user would be dumped into MacsBug, where they could type ES to Exit to Shell (force quit the crashed application and return to the Finder ) or ...
Mac OS 8.6 and later include the version number in the splash screen (for example, "Mac OS 9" in big black text). On early Macs without an internal hard drive, the computer boots up to a point where it needs to load the operating system from a floppy disk.
The drive remains operable during the test. [110] There is a dedicated log for background scan results, separate from the self-test log. Offline data collection ATA drives may support a periodic short operation called "offline data collection". Although this feature is marked "obsolete", many modern hard drives retain this feature.
User initiated hard resets can be used to reset the device if the software hangs, crashes, or is otherwise unresponsive. However, data may become corrupted if this occurs. [ 6 ] Generally, a hard reset is initiated by pressing a dedicated reset button On some systems (e.g, the PlayStation 2 video game console), pressing and releasing the power ...
When the MAC drives the MDIO line, it has to guarantee a stable value 10 ns (setup time) before the rising edge of the clock MDC. Further, MDIO has to remain stable 10 ns (hold time) after the rising edge of MDC. When the PHY drives the MDIO line, the PHY has to provide the MDIO signal between 0 and 300 ns after the rising edge of the clock. [1]
When a kernel panic occurs in Mac OS X 10.2 through 10.7, the computer displays a multilingual message informing the user that they need to reboot the system. [16] Prior to 10.2, a more traditional Unix-style panic message was displayed; in 10.8 and later, the computer automatically reboots and the message is only displayed as a skippable ...
Five men who used dating app Grindr to target and attack men in a series of robberies have been jailed. Demalji Hadza, 21, Abubaker Alezawy, 21, Ali Hassan, 20, Wasim Omar, 24, and Mohammed Sharif ...
OS X El Capitan was released to end users on September 30, 2015, as a free upgrade through the Mac App Store. [ 6 ] OS X El Capitan is the final version of OS X to support Aluminum Macs and Xserve , as its successor, macOS Sierra drops support for the mid 2007 and final models.