Compaq LTE lite 25

I have the main unit and power adapter.

type laptop computer
country Japan
year 1992
os MS DOS 5.0
cpu  Intel 80386SL
speed 25 MHz
ram 8 MB
disk 3.5″ 1.44 MB
hd 40 MB
graphic 640 x 480
colors mono
sound beeper
ports monitor, keyboard/ mouse, RS323, centronigs