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| (click on picture) |
| Introduced | August 1982 |
| Discontinued | |
| Release Price | $99.95 |
System Architecture |
Memory |
|||
| Microprocessor | Z80A | Standard on system board | 1k | |
| Clock speed | 3.5 MHz | Maximum on system board | 1k | |
| Bus type | Sinclair 8-bit proprietary | Maximum total memory | 64k | |
| Data bus width | 8-bit | Memory speed and type | ??? | |
| Address bus width | 16-bit | System board memory socket type | ??? | |
| Interrupt levels | N/A | Number of memory module sockets | ??? | |
| DMA channels | N/A | Memory used on system board | ??? | |
Standard Features |
Disk Storage |
|||
| ROM size | 8k | Internal disk and tape drive bays | none | |
| Optional math coprocessor | no | Standard floppy drives | none | |
| Parallel port type | no | Optional floppy drives: | no | |
| RS232C serial ports | no | * 5 1/4 inch 160k | no | |
| Mouse ports | no | * 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 | none | Hard disk controller included | no | |
Video & Graphics |
Sound |
|||
| Graphics Processor | ??? | Sound Interface device | none | |
| Screen size - Col x Rows | 32 x 24 | Sound generation | none | |
| Resolution - Colors/High | mono / 256 x 192 | ADSR capable | no | |
| Resolution - Colors/Low | mono / ??? | |||
| Max colors | none | Programming language | ||
| Sprites or Missiles | none | Built in language | Sinclair Basic | |
| Expansion Slots | Built in M L monitor | no | ||
| Total adapter slots | ??? | Keyboard Specs. | ||
| Number of 8/16/32 bit slots | ??? | Number of keys | 40 | |
| Physical Specs. | Upper/lower case | yes/no | ||
| Dimensions: | Keyboard cable length | N/A | ||
| * Height | 1 1/2 inches | Environmental Specs. | ||
| * Width | 6 1/2 inches | Power supply output | 9.75 VDC | |
| * Depth | 6 7/8 inches | Operating voltage @ 60 Hz | 104-127VAC | |
| * Weight | 1 pound | Maximum current | 650 milliamps |