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The Mac Pro Server includes an unlimited [8] Mac OS X Server license and an Intel Xeon 2.8 GHz quad-core processor, with 8 GB of DDR3 RAM. [114] In mid-2012, the Mac Pro Server was upgraded to an Intel Xeon 3.2 GHz quad-core processor. The Mac Pro Server was discontinued on October 22, 2013, with the introduction of the cylindrical Mac Pro.
Batteries that are part of a system, such as computer batteries, can have their properties checked and logged in operation to assist in determining remaining charge. A real battery can be modeled as an ideal battery with a specified EMF, in series with an internal resistance. As a battery discharges, the EMF may drop or the internal resistance ...
MacBook Pro: June 11, 2012 2012 June 11, 2012 Mac Pro Tower (Mid 2012) Mac Pro: December 19, 2013 MacBook Air Tapered Unibody (Mid 2012) MacBook Air: June 10, 2013 MacBook Pro Unibody (Mid 2012) MacBook Pro: October 27, 2016 MacBook Pro Retina (Mid 2012) MacBook Pro: February 13, 2013 October 23, 2012 iMac Slim Unibody (Late 2012) iMac: October ...
The MacBook Pro line launched in 2006 as an Intel-based replacement for the PowerBook line. The first MacBook Pro used an aluminum chassis similar to the PowerBook G4, but replaced the PowerPC G4 chips with Intel Core processors, added a webcam, and introduced the MagSafe power connector. The unibody model debuted in October 2008, so-called ...
The built-in battery of the late 2009 revision, a feature introduced earlier in the year with the MacBook Pro, is claimed by Apple to last seven hours compared with five hours in the older models. However, in tests conducted by Macworld , the battery was found to last only about four hours while playing video at full brightness with AirPort ...
MacBook Pro (Mid 2012) 2.5 2×256 3 2 Yes Yes June 2012 October 2016 Mac mini (Late 2012) 2.5 2×256 3 2 Yes Yes October 2012 October 2014 Core i5 (4-core) MacBook Pro (Mid 2012) 2.3 4×256 3 4 Yes Yes June 2012 October 2013 iMac (Late 2012) 2.7–3.2 2×256 6 4 Yes Yes October 2012 September 2013 Core i7 (2-core) MacBook Pro (Mid 2012) 2.9–3.0
Smart Battery System (SBS) is a specification for managing a smart battery, usually for a portable computer. It allows operating systems to perform power management operations via a smart battery charger based on remaining estimated run times by determining accurate state of charge readings. Through this communication, the system also controls ...
The original unibody MacBook Pro came with a user-removable battery; Apple claimed five hours of use, [22] with one reviewer reporting results closer to four hours on a continuous video battery stress test. [25] Apple said that the battery would hold 80% of its charge after 300 recharges. [26]