RetroScaler V5.15b GDEMU Optical Drive Simulation Board For SD Memory Card For DC Dreamcast VA1 Video Game Console Features: 1) Only suitable for VA1 motherboard DC game machine, otherwise will damage GDEMU and remember not to plug in GDEMU. 2) The version of GDEMU:V5.15b 3) The new GDEMU optical drive simulation board, get rid of the optical drive sawing sound, reading speed for DC consoles board. 4) Easy to installation, the genuine optical drive seat can be removed and replaced with GDEMU, without welding, without modification to the machine board. 5) Replacement part for your faulty optical drive emulation board. 6) 100% game compatibility, perfect running original GDI image, and compatible with CDI image. 7) Height of white interface:8mm. 8) Using original connector, won't damage the console. Note: Lightshooting and different displays may cause the color of the item in thepicture a little different from the real thing. The measurement allowederror is +/- 1~3cm.