Note: The SW3 switch on the DE10 Nano motherboard must be toggled to the "On" position before the Digital IO board will work properly. _x000D_It adds the following features to the for MiSTer platform._x000D_For the for Terasic DE10 Nano FPGA board_x000D_Includes silent fan_x000D_Built in on off power switch_x000D_Digital for TOSLINK connector_x000D_3.5mm for analogue sound (Tape input)_x000D_3 user buttons and 3 status LEDs_x000D_Auxiliary Micro Storage Card slot_x000D_User IO port connector_x000D_FAQ:_x000D_Q : What is the purpose of the analogue input connector on the IO board?_x000D_A : This interface is mainly used as a tape input for external sound devices_x000D_Example: TRS 80 I dark box._x000D_Q : Where are the connectors for the external buttons and LEDs?_x000D_A : The 5pin white serial port connects to the pushbutton, the 7pin white serial port connects to the LED. Specification: Item Type: Digital IO Board_x000D_Material: PCB_x000D_For MiSTer Digital IO Board v1.2 Details:_x000D_The for MiSTer FPGA Digital v1.2 I O board is an optional extension that can be used by plugging into the top of the for Terasic DE10 Nano SoC and allows dual SDRAM modules. It has a USB 3.0 connector and supports the for Sega Mega Drive, for Genesis, for Master System gamepads using the SNAC adapter board. Features: 1EXPANSION BOARD: The for MiSTer FPGA Digital IO Board v1.2 is an optional extension that plugs into the for Terasic DE10 Nano SoC. 2OPTIONAL: For MiSTer IO Digital Board v1.2 includes a jumper for selecting 3.3v or IO on the user IO port. 3WIDELY COMPATIBLE: Select IO to support the for Sega Mega Drive , for Genesis , forMaster System gamepad using the SNAC adapter board. 4DIFFERENT FUNCTION: 3 buttons different buttons with different functions, 3 status indicators. Auxiliary memory card (for some cores). 5CAUTIONS: Digital IO module has an expansion port (in the form of a USB 3.0 port, but not USB!). With 3.5 mm jack for TOSLink. 6EASY INSTALLATION: The digital IO module has a fan for cooling the FPGA and comes with 1 screw pocket. Easy to install. PackageList: 1 x Digital IO Board 1 x Fan 4 x Screws 4 x Nuts