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The power supply was required to have an output capacitive energy of less than 15.1 µJ and an inductive energy at disconnect of less than 5.3 µJ. [1] The standard defines an AC adapter to power devices requiring from 10 W to 130 W (~20 V × 6.5 A) or (extended voltage option) up to 240 W (60 V × 4 A). [2]
The computer makes use of this to retrieve information about the power adapter and to change the color of the LEDs on the power adapter's connector. The Apple MagSafe power adapter's 1-Wire communication chip is located inside the MagSafe connector itself; the cable does not carry the data line to the power adapter enclosure. [18]
MagSafe is a proprietary, magnetically attached wireless power transfer and accessory-attachment standard developed by Apple Inc. for its iPhone and AirPods product lines. It was announced on October 13, 2020, in conjunction with the iPhone 12 and 12 Pro series.
Core i7 (4-core) MacBook Pro (Early 2011) MacBook Pro (Late 2011) 2.0–2.5 4×256 6–8 4 Yes Yes March 2011 June 2012 iMac (Mid 2011) 2.8–3.4 4×256 8 4 Yes Yes May 2011 October 2012 Mac mini Server (Mid 2011) 2.0 4×256 6 4 Yes Yes July 2011 October 2012 Core i3 (2-core) iMac (Late 2011 education only) 3.1 2×256 3 2 Yes Yes February 2011
A first-generation Mac Pro, showing the aluminum case derived from the Power Mac G5. Apple said that an Intel-based replacement for the 2003's PowerPC-based Power Mac G5 machines had been expected for some time before the Mac Pro was formally announced on August 7, 2006, at the annual Apple Worldwide Developers Conference (WWDC). [4]
Unlike Mac clones that contain little or no original Apple hardware, a Mac conversion is an aftermarket enclosure kit that requires the core components of a previously purchased, genuine Apple Mac computer, such as the Macintosh ROM or the motherboard, in order to become a functional computer system.
On June 6, 2022, at WWDC 2022, Apple introduced the 13-inch MacBook Pro with two Thunderbolt ports based on the Apple M2 chip. This launched alongside an updated MacBook Air, with a new design, and also with the M2 chip. The specifications of the M2 MacBook Pro are almost the same, but it supports up to 24 GB of unified memory.
The Intel-based MacBook Pro is a discontinued line of Macintosh notebook computers sold by Apple Inc. from 2006 to 2021. It was the higher-end model of the MacBook family, sitting above the low-end plastic MacBook and the ultra-portable MacBook Air, and was sold with 13-inch to 17-inch screens.