The Apple III Plus is a personal computer that was designed, manufactured, and sold by Apple from 1983 to 1985 as part of the Apple III series. The computer has been introduced on December 1, 1983, and its price started at $2995.
The computer features a 1.4 MHz MOS Technology 6502B processor, 256 KB of RAM, 4 KB of ROM, optional 5 MB Apple ProFile hard drive, 140 KB 5.25” floppy drive, and built-in 74-key ASCII keyboard.
This computer has been discontinued on April 24, 1984.
Today Apple III Plus is 38 years old!
Apple III Plus Release Date and Original Price
|Introduced||December 1, 1983|
|Discontinued||April 24, 1984|
|Dimensions||4.8” H x 17.5” W x 18.2” D|
12.19 cm H x 44.45 cm W x 46.22 cm D
|Processor||MOS Technology 6502B|
|Processor Speed||1.4 MHz average|
1.8 MHz maximum
|Number of Cores||1|
|Storage||5MB Apple ProFile hard disc drive (Optional)|
|Built-in Memory||256 KB|
|Maximum Memory||512 KB with memory board replacement|
|Software||Apple Sophisticated Operating System 1.3 (Apple SOS 1.3)|
|Serial||1 – DB-25 RS-232C compatible |
2 – DB-9
|Audio Out||1 – 3.5-mm analog output jack|
1 – Built-in speaker
|Display Connection||1 – RCA composite positive video|
1 – DB-15
|Display||1 – RCA for composite video output |
(Display resolution 280 x 192 – 16 colors (with some limitations),
280 x 192 – monochromatic, 560 x 192 monochromatic)
|Text Display||80-column, 24-line monochromatic, 40-column, 24-line, |
16-color foreground and background, 40-column, 24-line monochromatic
|Expansion Slots||4 – 50-pin Apple II peripheral|
|Media||1 – 140 KB 5.25-inch floppy drive|
|Keyboard||Built-in 61-key (main) 13-key (numeric) ASCII keyboard|
|Line Voltage||110 or 110/220V AC|