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The transmit clock is a free-running clock generated by the PHY based on the link speed (25 MHz for 100 Mbit/s, 2.5 MHz for 10 Mbit/s). The remaining transmit signals are driven by the MAC synchronously on the rising edge of TX_CLK. This arrangement allows the MAC to operate without having to be aware of the link speed.
[2] [3] [4] First launched on January 6, 2011, as part of the free Mac OS X 10.6.6 update for all current Snow Leopard users, [2] [3] Apple began accepting app submissions from registered developers on November 3, 2010, in preparation for its launch. [5] After 24 hours of release, Apple announced that there were over one million downloads. [6]
An issue in the Mac version of Sierra's Creative Interpreter (Mac SCI) would cause the game to "lock-up" when attempting to handle a delay due to a problem involving an overflow. Mac SCI would attempt to use the date to determine how long a delay should last by getting the current time in seconds since 1 January 1904, the Macintosh epoch , and ...
Dashboard is a discontinued feature of Apple Inc. 's macOS operating systems, used as a secondary desktop for hosting mini-applications known as widgets. These are intended to be simple applications that do not take time to launch. Dashboard applications supplied with macOS included a stock ticker, weather report, calculator, and notepad; while ...
Management Data Input/Output (MDIO), also known as Serial Management Interface (SMI) or Media Independent Interface Management (MIIM), is a serial bus defined for the Ethernet family of IEEE 802.3 standards for the Media Independent Interface, or MII. The MII connects media access control (MAC) devices with Ethernet physical layer (PHY) circuits.
e. Apple M1 was a series of ARM -based system-on-a-chip (SoC) designed by Apple Inc., launched 2020 to 2022. It was part of the Apple silicon series, as a central processing unit (CPU) and graphics processing unit (GPU) for its Mac desktops and notebooks, and the iPad Pro and iPad Air tablets. [ 4 ] The M1 chip initiated Apple's third change to ...
The MacBook Pro is a line of Mac laptop computers developed and manufactured by Apple. Introduced in January 2006, it is the high-end sibling of the MacBook family, sitting above the ultra-portable MacBook Air and previously the low-end MacBook. It is currently sold with 14-inch and 16-inch screens, all using Apple M-series chips.
Clock is a more efficient version of FIFO than Second-chance because pages don't have to be constantly pushed to the back of the list, but it performs the same general function as Second-Chance. The clock algorithm keeps a circular list of pages in memory, with the "hand" (iterator) pointing to the last examined page frame in the list.