I have the main unit (CIB).
type computer
country Japan
year 1989
os Sega
cpu Motorola 68000 / Zilog Z80
speed 7.61 MHz / 3.58 MHz
graphic Progressive 320×224 NTSC
colors 512 palette 64 on screen
sound Yamaha YM2612, Texas Instruments SN76489A
ports cartridge port, two controllers, power, A/V