1、CD ROM Analog Board: Get rid of the jagged sound of CD ROM drive, the reading speed of DC console board is faster. 2、Easy to Install: The optical drive seat can be disassembled and replaced, no welding, no need to modify the machine board, just install it and use it. 3、Strong Compatibility: Perfectly run the original GDI mirroring, compatible with CDI mirroring. 4、Expansion Card Box: With an expansion card box, it is a perfect replacement for the optical drive shell, which is sturdy and durable. 5、Application: Only applicable to VA1 motherboard DC console, otherwise the CD ROM drive will be damaged. 1 x Shell1 x Button1 x Sleeve6 x Screw3 x Screw Set1 x Optical Drive Simulation Board1 x Chinese and English Manual Item Type: Optical Drive Simulation BoardMaterial: ABS + PCBApplicable Equipment: For SEGA for Dreamcast VA1 Console