Olivetti M19 (1986)
Its main features are: a 16-bit 8088 processor, with a clock frequency of 4.77 MHz - which can optionally be increased to 8 MHz; 256 KB of base system memory, expandable to 640 KB directly on the motherboard.
Optionally, a memory expansion board, a 10 MB hard disk drive, and an expansion box with an I/O slot are also available.