Apple updating airport extreme

Posted by / 28-Sep-2017 12:30

The industrial design, product design and mechanical packaging and enclosure/structural design and development were headed by Bill Dresselhaus, the Principal Product Designer of Lisa, with his team of internal product designers and contract product designers from the firm that eventually became IDEO.The Lisa computer real-time clock uses a 4-bit integer and the base year is defined as 1980, and the software won't accept any value below 1981 so the only valid range is 1981-1995. The real-time clock depended on a 4 x AA-cell Ni Cd pack of batteries that only lasted for a few hours when main power was not present, often causing the packs to burst open and leak corrosive acid that could ruin the circuit boards. The Macintosh, which was intended to implement a single Twiggy drive partway through development, was revised to use a Sony 400 k B microfloppy drive.Newer versions of the Lisa were introduced that addressed its faults and lowered its price considerably, but it failed to achieve favorable sales compared to the much less expensive Mac.

The Lisa 2/10 features a 10MB internal hard drive (but no external parallel port) and a standard configuration of 1MB of RAM.

Apple Lisa is a desktop computer developed by Apple, released on January 19, 1983.

It was one of the first personal computers to offer a graphical user interface (GUI) in a machine aimed at individual business users.

Unlike the original Macintosh, the Lisa features expansion slots. The Lisa 2 motherboard has a very basic backplane with virtually no electronic components, but plenty of edge connector sockets and slots.

There are two RAM slots, one CPU slot, and one I/O slot all in parallel placement to each other.

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The complexity of the Lisa operating system and its associated programs overtaxes the slower processor enough that users perceive it to be sluggish, particularly when scrolling in documents.

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