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| (click on picture) |
| Introduced | June 1979 |
| Discontinued | January 1983 |
| Release Price |
System Architecture |
Memory |
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| Microprocessor | MOSTEK 6502 | Standard on system board | 48k | |
| Clock speed | 1.023 MHz | Maximum on system board | 48k | |
| Bus type | Apple Proprietary | Maximum total memory | 64k using plug in board | |
| Data bus width | 8-bit | Memory speed and type | 200ns dynamic RAM | |
| Address bus width | 16-bit | System board memory socket type | 16 pin DIP | |
| Interrupt levels | N/A | Number of memory module sockets | 24 socketed | |
| DMA channels | N/A | Memory used on system board | TMS4116-20 | |
Standard Features |
Disk Storage |
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| ROM size | 16k | Internal disk and tape drive bays | none | |
| Optional math coprocessor | no | Standard floppy drives | tape or 5.25 Floppy | |
| Parallel port type | none | Optional floppy drives: | up to 2 external | |
| RS232C serial ports | none | * 5 1/4 inch 143k | yes | |
| Mouse ports | internal I/O socket | * 5 1/4 inch 1.2MB | no | |
| UART chip used | N/A | * 3 1/2 inch 720k | no | |
| Maximum speed | N/A | * 3 1/2 inch 1.44MB | no | |
| CMOS real time clock | no | * 3 1/2 inch 2.88MB | no | |
| CMOS RAM | no | Hard disk controller included | no | |
Video & Graphics |
Sound |
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| Graphics Processor | uses CPU | Sound Interface device | uses CPU | |
| Screen size - Col x Rows | 40 x 24 | Sound generation | tone output to speaker | |
| Resolution - Colors/High | 6 / 280 x 192 | ADSR capable | no | |
| Resolution - Colors/Low | 16 / 40 x 48 | |||
| Max colors | 16 | Programming language | ||
| Sprites or Missiles | none | Built in language | Applesoft BASIC | |
| Built in M L monitor | yes | |||
Expansion Slots |
Keyboard Specs. |
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| Total adapter slots | 8 | Number of keys | 52 | |
| Number of 8/16/32 bit slots | 8 / 0 / 0 | Upper/lower case | yes / no | |
| Keyboard cable length | N/A | |||
Physical Specs. |
Environmental Specs. |
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| * Height | 4 1/4 inches | Operating voltage @ 60 Hz | 120 VAC | |
| * Width | 15 1/4 inches | Maximum power supplied | 60 WATTS | |
| * Depth | 17 3/4 inches | Power supply output - volts | +5V/-5.2V/+11.8V/-12V | |
| * Weight | 11.5 pounds | Power supply output - amps |