| Type: | 8-bit hobbyist and development computer | 
| CPU: | Zilog Z80/4 @ 2 or 4 MHz | 
| Operating system: | Optional: CP/M, BASIC and more | 
| Memory: | ROM: 8 KB RAM: 8 KB SRAM (Expandable to ? KB)
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| Sound: | Optional | 
| Graphics: | LED indicators. Anything else is optional | 
| Storage: | Optional | 
| Input: | Binary switching Optional keyboard
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| Connectivity: | RS-232C | 
| Power supply: | Mains (Linear) Output:
 +8 VDC, 28 A
 +16 VDC, 4.5 A
 -16 VDC, 4.5 A
 | 
| Current drain/power consumption: | Depending on options | 
| Dimensions (W*H*D): | 495*178*432 mm (19.5*7*17") | 
| Weight: | ? Kg (? lb), without options | 
| Manufactured: | USA, 1976-1977 (Discontinued) | 
| Other: | 22*S-100 expansion slots. Built-in 2708 PROM programmer for some versions.
 The Z-1 was built into an IMSAI 8080 chassie
 New price 1976 in the US: $2495 (Ready-built, basic system)
 Unlike IMSAI 8080, the Z-1 was not available in kit form.
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| Related documents: |  | 
| Notable "ham" software: |  | 
| Options/Accessories: | 
| Bytesaver -
 -
 -
 TU-ART
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 | 8K PROM card with programmer 4K SRAM card
 16K DRAM card
 Digital/analog I/O board
 Digital interface card. 110-9600 baud.
 Color graphics interface. Connects to TV
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