|Manufacturer||Heath Co. (USA)||Type||Desktop|
|Production start (mm-yyyy)||1977||Production end (mm-yyyy)||-|
|CPU||DEC LSI-11/2 16Bit - 2.6 Mhz|
|Text (Cols x Rows)|
|Storage memory||Floppy 5.25" or 8" 256Kb (H-27), paper tape reader, tape|
|Serial port||1||Parallel port||1|
|Others port||7 LSI slots|
|Original price||Currency original price||1295 USD|
|Note||In the Q-bus the highest 8KB addresses are
reserved for devices. Thus, the system can contain at
most 56k of real memory.
The processor (lsi-11/2) ran at a 380 nanosecond average cycle time which is approximately 2.6 Mhz. This was relatively fast compared to its parent the PDP-11/20 minicomputer(1970) which because of its magnetic core memory ran at a 800 nanosecond cycle time.
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