I have the main unit.
type laptop computer
country Japan
year 1990
os MS DOS 3.3 or 4.01
cpu Intel 80386SX
speed 16 MHz
ram 1 MB
graphic Sidelit Supertwist LCD black and white 640 x 400
colors 16 grey scales
harddisk 20 GB
disk 3,5″ 720 KB
sound beeper
ports Parallel/external FDD port, RS-232, modem slot, desk station, vga monitor