IBM Portable PC Computer 5155 model 68 (year 1984)

The IBM Portable Personal Computer 5155 model 68 was an early portable computer developed by IBM after the success of the suitcase-size Compaq Portable. It was released in February, 1984, and was eventually replaced by the IBM Convertible.
[2018-06-08 from IBM Portable Personal Computer ]

- https://youtu.be/gMSf1P2CmDY
- IBM 5155 Portable Personal Computer review (capacitive buckling springs)