I have three main units and three keyboards.
type computer
country Japan
year 1983
os MS DOS 2.11
cpu Intel 8088
speed 4.77 MHz
ram 256 KB
rom 16 KB
disk 2 x 5.1/4″ floppy 360KB
graphic CRT 9″ 40/80×25 (text), 320×200 (color),
640×200 (mono)
sound beeper
printer 8.1/2″ thermal 80/132 columns
ports serial, parallel, RGB, RAM board, option board