Feature: 1. APPLICABLE MODELS: For GDEMU optical drive simulation board for Sega DreamCast game console for VA1 version host (for GDEMU expansion adapter), with for GDEMU expansion storage card holder, replace the CD ROM drive housing. 2. HEAT DISSIPATION: Optical drive simulation board reads games fast and smoothly during the game, replaces the storage card holder, all metal card holder with two heat sinks, effectively improves ventilation and heat dissipation, reads storage cards more smoothly, stable and wear resistant. 3. EXCELLENT COMPATIBILITY: Optical drive simulation board card has 100% game compatibility, perfect running original for GDI image, and compatible for CDI image. High and stable performance ensures that you enjoy your games and effectively improve the benefits. 4. EASY TO INSTALL: Game optical drive simulation board card is easy to install, you can remove the original optical drive holder and replace it with for GDEMU, no need to solder, no need to modify the machine board. No harm to the host. 5. PERFECT REPLACEMENT: For GDEMU is a replacement for the storage card based optical drive in for Dreamcast hosts. for GD ROM, for CD ROM drives will inevitably wear out and fail (like all mechanical devices). Specification: Item Type: Game Optical Drive Simulation Board Product Material: ABS, PCB Color: Translucent Black Version for GDEMU: V5.15b Simulation Board Holder Interface Height: Approx. 8mm/0.31in Applicable Products: for DreamCast VA1 Game Console (for GDEMU Expansion Adapter) for GDEMU V5.5 GDEMU V5.15 GDEMU5.15B Upgrade: Changed The Storage Card Holder, Full Metal Card Clip, Read Storage Card More Smoothly, Stable Features: 1. Robust and Durable 2. Effective Improvement of Ventilation and Heat Dissipation 3. With Extended for GDEMU Storage Card Box 4. Alternative CD ROM Drive Chassis 5. Storage Card Memory Card Slot 6. Quick Switch Game Button. Package List: 1 x Optical Drive Board3 x Retainer2 x Heat Sink1 x Drive Tray Insert1 x Buttons1 x For GDEMU Board Mounting Bracket1 x Storage Card Extension Cable1 x Screw Kit1 x Instruction Manual Note: You can install DC host for VA1 motherboard, otherwise it will burn for GDEMU! Remember not to plug and unplug for for GDEMU with power on, must be careful.