Apple III is a business-oriented personal computer produced by Apple Computer and released in 1980.
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21 Facts About Apple III
2.
Work on the Apple III started in late 1978 under the guidance of Dr Wendell Sander.
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3.
Apple co-founder Steve Wozniak stated that the primary reason for the Apple III's failure was that the system was designed by Apple's marketing department, unlike Apple's previous engineering-driven projects.
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4.
The Apple III's failure led Apple to reevaluate its plan to phase out the Apple II, prompting the eventual continuation of development of the older machine.
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5.
The Apple III was designed to be a business computer and successor.
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6.
Management believed that "once the Apple III was out, the Apple II would stop selling in six months", Wozniak said.
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7.
Apple III is the first Apple product to allow the user to choose both a screen font and a keyboard layout: either QWERTY or Dvorak.
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8.
Apple III introduced an advanced operating system called Apple SOS, pronounced "apple sauce".
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9.
Apple III SOS allows the full capacity of a storage device to be used as a single volume, such as the Apple III ProFile hard disk drive, and it supports a hierarchical file system.
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10.
Apple III has four expansion slots, a number that inCider in 1986 called "miserly".
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11.
The original Apple III has a built-in real-time clock, which is recognized by Apple SOS.
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12.
The Apple III Plus requires an adaptor from Apple to use the Disk III with its DB-25 disk port.
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13.
Apple III has the built-in hardware capability to run Apple II software.
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14.
Apple III engineers added specialized circuitry with the sole purpose of blocking access to its advanced features when running in Apple III II emulation mode.
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15.
Certain Apple II slot cards can be installed in the Apple III and used in native III-mode with custom written SOS device drivers, including Grappler Plus and Liron 3.
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16.
Case of the Apple III had long since been set in concrete, so they had a certain size logic board to fit the circuits on.
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17.
Apple III designed a new circuit board with more layers and normal-width traces.
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18.
Apple III was soldering chips directly to boards and could not easily replace a bad chip if one was found.
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19.
Pohlman reported that Apple III was only selling 500 units a month by late 1981, mostly as replacements.
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20.
Wozniak estimated that Apple had spent $100 million on the III, instead of improving the II and better competing against IBM.
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21.
Pohlman claimed that there was a "stigma" at Apple III associated with having contributed to the computer.
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