(click on picture) |
Introduced | August 1989 |
Discontinued | October 1990 |
Release Price |
System Architecture |
Memory |
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Microprocessor | 68000 | Standard on system board | 1 MB | |
Clock speed | 7.8336 MHz | Maximum on system board | 4 MB | |
Bus type | Apple proprietary | Maximum total memory | 4 MB | |
Data bus width | 16 bits | Memory speed and type | 150 ns | |
Address bus width | 24 bits | System board memory socket type | 30 pin SIM modules | |
Interrupt levels | N/A | Number of memory module sockets | 4 slots | |
DMA channels | N/A | Memory used on system board | dynamic | |
Standard Features |
Disk Storage |
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ROM size | 256k | Internal disk and tape drive bays | 2 | |
Optional math coprocessor | yes | Standard floppy drives | 1 - 3.5 inch | |
Parallel port type | Optional floppy drives: | 1 - 3.5 inch | ||
RS232C serial ports | 2 - RS-232/RS-422 | * 5 1/4 inch 160k | no | |
Mouse ports | yes | * 5 1/4 inch 1.2MB | no | |
UART chip used | N/A | * 3 1/2 inch 800k | no | |
Maximum speed | N/A | * 3 1/2 inch 1.44MB | yes | |
CMOS real time clock | yes | * 3 1/2 inch 2.88MB | no | |
CMOS RAM | yes | Hard disk controller included | optional scsi internal | |
Video & Graphics |
Sound |
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Graphics Processor | Sound Interface device | no | ||
Screen size - Col x Rows | Sound generation | 4 voices | ||
Resolution - Colors/High | B&W/512 x 342 pixels | ADSR capable | no | |
Resolution - Colors/Low | ||||
Max colors | mono black and white | Programming language | ||
Sprites or Missiles | none | Built in language | none | |
Built in M L monitor | none | |||
Expansion Slots |
Keyboard Specs. |
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Total adapter slots | 1 | Number of keys | 80 | |
Number of 8/16/32 bit slots | 0/0/1 | Upper/lower case | yes/yes | |
Keyboard cable length | 4 foot | |||
Physical Specs. |
Environmental Specs. |
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* Height | 13 1/2 inches | Operating voltage @ 60 Hz | 120/240 VAC | |
* Width | 9 1/2 inches | Maximum power supplied | 100 watts | |
* Depth | 10 7/8 inches | Power supply output - volts | ||
* Weight | 17 pounds | Power supply output - amps |