【Toshiba】DynaBook J-3100 SS02E

Toshiba announced this notebook computer with a 2.5-inch magnetic disk unit in 1990.

Specifications of the DynaBook J-3100 SS02E
External dimensions [mm] and weight 310 x 254 x 44 (w x d x h), 2.8 kg
Power supply Battery, or 100 - 240 VAC
Power consumption 40W
Memory 1 MB, standard; 3 MB max.
Screen LCD screen with a FL backlight
640 x 400 pixels
Storage memory devices Floppy drive: 3.5-inch (1.44 MB / 1.2 MB/ 720 KB), external Hard drive: 2.5-inch, 20 MB
Interfaces RS-232C, printer interface (Centronics)
OS Japanese version of MS-DOS V. 3.1

DynaBook J-3100 SS02E
Courtesy of Shun Kinoshita’s "Khuns no Shosai" Web site [http://www.hi-ho.ne.jp/skinoshita/]