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[29] [30] It has an eight-way 32K I-Cache, an eight-way 32K D-Cache, a four-way 512 KB L2 cache with a write-through or write-back policy, ability to use up to 2 GB of DDR3 RAM, a PCI-e bus interface, 100 Mbit/s Ethernet, FIFO UART, a USB 2.0 host, integrated GPU, an ATA controller at Primary Channel, and a SATA 1.5 Gbit/s controller (one port ...
Remote Install Mac OS X was a remote installer for use with MacBook Air laptops over the network. It could run on a Mac or a Windows PC with an optical drive. A client MacBook Air (lacking an optical drive) could then wirelessly connect to the other Mac or PC to perform system software installs.
Connectix products MAXIMA, RAM Doubler, and Virtual allowed accessing and reallocating the 6 MB addresses allocated to the NuBus cards for a total of 14 MB, minus 1 MB per slot occupied. [11] [12] Because memory was a scarce resource, the authors of Classic Mac OS decided to take advantage of the unused byte in each address.
The RAM map is organised so that the system globals, system and application heaps grow upwards from low memory; everything else grows downwards from MemTop, from high memory towards low memory. On the 512K Macintosh, the "extra" RAM thus appears as a wider gap between the application heap and the stack, where it is available for application use.
OS X El Capitan (/ ɛ l ˌ k æ p ɪ ˈ t ɑː n / el KAP-i-TAHN) (version 10.11) is the twelfth major release of macOS (named OS X at the time of El Capitan's release), Apple Inc.'s desktop and server operating system for Macintosh.
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 ...
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For most users, the most noticeable changes were: the disk space that the operating system frees up after a clean install compared to Mac OS X 10.5 Leopard, a more responsive Finder rewritten in Cocoa, faster Time Machine backups, more reliable and user-friendly disk ejects, a more powerful version of the Preview application, as well as a ...