Initial sales ar of the Model B, with plans to unharness the Model A in early 2013. Model A has one USB port and no LAN controller, and can price but the Model B with 2 USB ports and a 10/100 LAN controller.
Though the Model A does not have AN 8P8C (RJ45) LAN port, it will connect with a network by employing a user-supplied USB LAN or Wi-Fi adapter. there's essentially no distinction between a model A with AN external LAN adapter and a model B with one in-built, as a result of the LAN port of the model B is really a intrinsic USB LAN adapter. As is typical of contemporary computers, generic USB keyboards and mice ar compatible with the Raspberry Pi.
The Raspberry Pi doesn't go with a time period clock, thus AN OS should use a network time server, or raise the user for time data at boot time to urge access to time and date for file time and date stamping. However, a time period clock (such because the DS1307) with battery backup is added via the I²C interface.
On twenty April 2012 the schematics for the Model-A and Model-B were discharged by the Raspberry Pi Foundation.Hardware accelerated video (H.264) cryptography became out there on twenty four August 2012 once it became familiar that the present license conjointly coated cryptography. antecedently it had been thought that cryptography would be added with the discharge of the proclaimed camera module. but, for the nowadays, there's no stable computer code support for hardware H.264 cryptography.
At constant time the Raspberry Pi Foundation discharged 2 further codecs which will be bought one by one, MPEG-2 and Microsoft's VC-1. conjointly it had been proclaimed that the Pi can support CEC, sanctioning it to be controlled with the television's remote.
On five Sep 2012, a revision a pair of.0 board was proclaimed, with variety of minor corrections and enhancements.On fifteen Gregorian calendar month 2012, the Raspberry Pi foundation proclaimed that every one new Raspberry Pi model B's would be fitted with 512MB RAM chips rather than 256MB chips.
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