Psion MC400

The Psion MC 400 was a laptop made by Psion PLC and was released in 1989.

Psion MC 400
ManufacturerPsion PLC
TypeLaptop
Release date26 September 1989
Discontinued1991
MediaPsion Solid State Disks
Operating systemSIBO
CPUIntel 80C86 processor @ 7.68 MHz
Memory640KB
Display640 x 400 monochrome LCD
InputQWERTY keyboard
Numeric Keypad
TouchpadYes, Absolute
ConnectivitySerial
Power8 × AA battery

The main power is provided by eight AA batteries. Alternatively, the device may be powered by an external 12V power source.

The MC 400 was of the same generation as the Psion 3 series but it has a larger size screen (640 x 400 pixels).[1] The MC 400 could be programmed using OPL much like the Series 3.

Unlike the Series 3, the MC 400 has 4 bays for removable solid-state disk drives compared to 2 on Series 3 devices. The serial port also provides PC connectivity if used with the separately available PsiWin software using the lead designed for the Series 3 or 3A.

References

  1. "Ten ancestors of the netbook". The Register. 26 April 2013. Retrieved 13 October 2019.
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